WO1998000975A1 - Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content - Google Patents
Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content Download PDFInfo
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- WO1998000975A1 WO1998000975A1 PCT/US1997/011518 US9711518W WO9800975A1 WO 1998000975 A1 WO1998000975 A1 WO 1998000975A1 US 9711518 W US9711518 W US 9711518W WO 9800975 A1 WO9800975 A1 WO 9800975A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00283—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
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- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00283—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
- H04N1/00299—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus with a television transmission apparatus, e.g. a videophone, a teletext system or a digital television system
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- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
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Definitions
- TITLE INTERACTIVE TELEVISION SYSTEM AND METHOD HAVING ON-DEMAND
- the present invention is related to interactive video delivery mediums such as interactive television. and more particularly to a system and method for generating and displaying requested hyperlinked web-like still video images in an interactive broadcast television system.
- the present invention is also related to a system and method for emulating Internet web pages in an interactive broadcast television system.
- the Internet is an international network based on va ⁇ ous standard protocols and transfer mechanisms which supports thousands of computer networks
- the basic transfer protocol used by the Internet is referred to as TCP/IP (Transfer Control Protocol / Internet Protocol), which was a transfer protocol originally used in the Unix operating system
- TCP/IP Transfer Control Protocol / Internet Protocol
- the Internet essentially provides an interactive image and document presentation system which enables users to selectively access desired information and or graphics content
- the Internet has grown to form an information superhighway or information backbone with anv and va ⁇ ed commercial uses
- the Internet includes va ⁇ ous server types, including World Wide Web (WWW) servers which offer hypertext capabilities.
- WWW World Wide Web
- Hypertext capabilities allow the Internet to link together a web of documents, which can be navigated using a convenient graphical user interface (GUI) WWW servers use Uniform Resource
- Locators to identify documents, where a URL is the address of the document that is to be ret ⁇ eved from a network server.
- the WWW also referred to as the "web”
- HTML hypertext mark-up language
- HTML is a sc ⁇ pting or programming language which allows content providers or developers to place hyperlinks within web pages which link related content or data.
- the web also uses a transfer protocol referred to as the HyperText Transfer Protocol (HTTP)
- HTTP HyperText Transfer Protocol
- Interactive television is an interactive audio/video delivery medium which provides broadcast audiovisual content to a number of subscribers.
- Interactive television provides broadcast video and audio to users and also provides a return path for the user to interact with the content, e g., to make selections or order desired products, etc.
- interactive television is p ⁇ ma ⁇ ly a broadcast medium which generally requires that the same audiovisual content be delivered to each user or subsc ⁇ ber
- One element of interactive television is the ability to provide electronic program guides and/or electronic catalogs which allow viewers to order programming or merchandise
- An advertiser may advertise his product through interactive television, and the user may view and make selections to order the product or receive more information on the product.
- the Internet is essentially a multi-point to multi-point network where each user can selectively ret ⁇ eve different information or view different selected content
- the broadcast television medium is p ⁇ ma ⁇ ly a point to multi-point network where every user is generally required to receive the same content Therefore, an improved interactive television system and method is desired which provides web-like capabilities in a p ⁇ manly broadcast environment
- An improved interactive television system and method is also desired which provides on-demand web-like capabilities for displaying requested images in a p ⁇ ma ⁇ lv broadcast environment
- the present invention comp ⁇ ses a system and method for displaying s ⁇ ll video images related to video content in an interactive broadcast television system
- the present invention thus provides hvperhnked web-like capabilities in an interactive television system
- the interactive television svstem comp ⁇ ses a video delivery system for providing a plurality of channels of video and/or image content, and at least one subsenber television including a display screen, wherein the subsenber television is coupled to the video delivery svstem
- the subsenber television further includes a set top box or interactive decoder logic which receives the pluralm of channels and selectively displays a channel based on user input
- the video delivery system provides or broadcasts one or more audio/video channels each comp ⁇ smg video content
- the video delivery svstem also provides or broadcasts at least one still image channel compnsing a plurality of still video images, preferablv MPEG-2 compressed still images
- the interactive program content is executed by the set top box or interactive decoder to display va ⁇ ous selection options on the television
- One or more of the selection options each corresponds to respective compressed still video images broadcast on the still image channel
- the user or viewer can select one of the options to view desired informauon
- the set top box receives user input selecting an option to view one of the linked still images
- the set top box captures the requested image from the still image broadcast channel, stores the image in memory, and displays the captured still video image corresponding to the selection
- the still image being displayed may have associated interactive program content for displaying further selections, wherein these selections may be for viewing other images or content, for ordenng information, or purchasing products
- the user can thus selectively navigate between the video content and stills in a web-like hyperlinked fashion
- the television program or video content which was being viewed is displayed in a small window overlaid on the still image being displayed
- this embodiment when a user is navigating through still images the television program or video content which was being viewed is displayed in a small
- the set top box When the set top box captures a requested image from the still image broadcast channel, the set top box preferably also pre-caches or pre-loads other related still images based on the probability that these related images will be subsequently requested by the user Thus, when an image is requested that has been pre- cached, the image is ret ⁇ eved from memory, instead of having to wait for the next broadcast of the image This reduces the navigation latency and improves system performance
- the interactive television system of the present invention further comp ⁇ ses a media server or web server which stores a plurality of still images which mav be requested on demand "
- the broadcast center utilizes one or more channels which are reserved for user requests and thus provide still images "on demand "
- the set top box receives user input indicating a request to receive additional still video images related to a certain video content and these requested still images arc not cu ⁇ entlv being broadcast on the still image channel
- the set top box provides the request to the media server
- the media server receives the request and provides the requested images to the broadcast center for transmission
- the requested still video images related to the video content are then broadcast on the dedicated still image channel
- the requesting set top box may then capture and display the requested images on the subsenber television Alternatively, the requested images are provided directh from the media server to the set top box via the return channel
- the present invention thus comp ⁇ ses an interactive television system with web-like navigational capabilities
- the present invention provides an improved svstem and method for displaying advertising content in an interactive television system
- a user viewing the television can select an option which displays the advertising content of a respective advertiser or vendor
- the video stills are presented in a format similar to Internet pages
- the still images mav include thumbp ⁇ nt images which link to other stills
- the user may select respective thumbp ⁇ nts to view a full-screen image of the thumbp ⁇ nt image
- Still images mav also include a selection which enables the user to order a product or to provide an indication that the user desires to receive more information
- the present invention thus enables advertisers to more intuitively provide advertising content in an interactive television medium Therefore, the system and method of the present invention provides a more convenient and a more informative method
- Figures 1 illustrates an interactive television system according to the present invention
- Figure 2 illustrates the interactive television svstem of Figure 1 which includes a remote network that provides programming content
- FIG. 3 is a block diagram of the interactive decoder of Figures 1 and 2,
- Figure 4 is a flowchart diagram illustrating operation of the video del ⁇ erv system of Figures 1 and 2
- Figures 5 and 6 are flowchart diagrams illustrating operation of the interactive decoder of Figures 1 and 2 according to one embodiment of the present invention
- Figures 7 - 9 are a flowchart diagram illustrating operation of the interactive decoder of Figures 1 and 2 according to another embodimeni of the present invention, wherein the interactive decoder pre-caches still images related to a selected still image for improved performance,
- Figure 10 illustrates an interactive television svstem which provides on demand" still images according to the present invention
- Figure 11 is a flowchart diagram illustrating operation of the video erv svstem of Figure 10 according to the present invention
- Figures 12 - 14 illustrate operation of the interactive decoder of Figure 10 according to the present invention
- Figure 15 illustrates a screen shot of a television displaying a program which includes selections that reference MPEG still images according to the present invention
- Figure 16 illustrates an MPEG still image being displayed which includes one or more selections for viewing other stills or making orders according to the present invention
- FIGS 17 and 18 illustrate a channel advertising selection guide which references still images according to the present invention
- Figure 19 illustrates a magazine subsc ⁇ ption example which utilizes linked images according to the present invention
- Figure 20 illustrates a sweepstakes example which utilizes linked images according to the present invention
- Figures 21 - 24 illustrate a data feed application of the present invention
- FIG. 1 a block diagram of an interactive television svstem according to one embodiment of the present invention is shown It is noted that Figure 1 is illustrative only, and other interactive television svstem embodiments may be used, as desired
- the interactive television system employs a broadcast center 100 for generating audiovisual content, including interactive audiovisual content
- the broadcast center 100 includes an audio / video source 102 for providing the audiovisual content
- the audiovisual content mav comp ⁇ se movies, sports, news, sitcoms or other audiovisual programming, as is normally seen on television
- the audiovisual content also preferably comp ⁇ ses compressed still video images
- the audio / video source 102 may include video compression logic for compressing still video images into compressed still video images
- the audiovisual content may also be supplied by a remote network 170 or a live feed, as desired
- the broadcast center 100 also includes an application server 104 for creating and/or generating interactive application content
- the interactive application content comp ⁇ ses application code and data which is designed to be executed by a processor within a set top box or television to suppo ⁇ an interactive television feature
- the application server 104 is preferably configured for generating or providing 'OpenTV interactive applications
- the application server mav also provide "Java " applets or other interactive program content, as desired
- An Encoder / Multiplexer 1 6 combines the interactive application content with the audiovisual content to produce an audio-video-interactive (AVI) signal
- the Encoder / Multiplexer 106 also synchronizes the interactive application content with the audiovisual content to ensure that the interactive application content is insetted in the proper position within the audiovisual content It is noted that certain channels may comp ⁇ se non-interactive programming content In other words, certain audiovisual content mav not have associated interactive content
- the Encoder / Multiplexer 106 preferably multiplexes a plurality of signals including AVI signals and optionally non-interactive signals, together for transmission
- the broadcast center 100 also includes an uplink satellite 108 for transmitting the broadcast signal for receipt by end-users or a subsequent dist ⁇ bution link
- an uplink satellite 108 for transmitting the broadcast signal for receipt by end-users or a subsequent dist ⁇ bution link
- Figure 1 illustrates a satellite network example where a satellite is used to transmit the broadcast signal
- other transmission methods including cable dist ⁇ bution through coaxial cable, fiber optic transmission, microwave transmission or other means
- the broadcast signal is received from broadcast center 100 via a satellite downlink 120
- the broadcast signal is then provided to a plurality of subsc ⁇ bers
- the broadcast signal includes one or more AVI signals on respective channels, and mav include one or more non-interactive program signals
- each end user or subsenber preferably includes a set top box or interactive decoder 140 as well as a television set 150
- the set top box or interactive decoder 140 is coupled to the television set 150
- the interactive decoder logic may be comp ⁇ sed in the television 150 instead of being comp ⁇ sed as a separate unit 140
- the television mav comp ⁇ se a general purpose programmable computer having a display screen, or other viewing device, as desired
- the term "subsenber television” is intended to include the television set 150 or other viewing device, such as a computer, and may include associated decoder logic for executing interactive programs
- the subsenber television comp ⁇ ses the television set 150 coupled with the interactive decoder or set top box 140
- the television 150 includes a remote control 152 which facilitates user interaction with the television 150 and/or interactive decoder 140
- the user can select desired television channels for viewing
- the signal on the selected television channel is decoded by the interactive decoder 140 which provides an output to the television set 150
- the interactive decoder 140 preferably executes a real time operating system, such as OpenTV from Thomson Electronics Where the channel being viewed compnses an AVI signal, the interactive decoder 140 also executes an interactive application program conveyed within the selected AVI signal to enable an interactive television feature
- a return channel 156 interconnects the interactive decoder 140 to a transaction sener 160 which monitors certain selections by the user and responds according , as desired
- the return channel 156 preferably utilizes a standard POTS (plain old telephone system) phone line and associated modems (not shown) for communication Other return channel options, such as coaxial cable, fiber optic cable ADSL (Assymet ⁇ c Digital Subsenber Line), ATM (Asynchronous Transfer Mode), or others, mav
- the still image channel transmits 25 still images per second here the images repeat every 3 seconds Thus a total of 75 different still images are transmitted on one still image channel
- the interactive applications provided on an AVI signal are executable to display one or more selections on the television in conjunction with the audiovisual content
- certain of these selections reference respective MPEG stills which are transmitted on the one or more still image channels and are related to the video content
- Certain selections mav also be used to order information or products via the transaction server 160
- the broadcast still video images also include associated interactive applications and/or link data which are executable to display one or more selections on the television in conjunction with the respective MPEG still
- These selections mav reference other MPEG stills, or mav be used to order information or products
- one or more selections mav be used to transmit a request to a media server for additional "on demand" MPEG stills
- Figure 3 - Interactive Decoder Refer ⁇ ng now to Figure 3, a block diagram illustrating the interactive decoder 140 is shown As shown the interactive decoder 140 includes an input for receiving a broadcast signal over a channel
- the broadcast signal preferablv comp ⁇ ses a plurality of channels comp ⁇ sing programming content, such as movies, sports, television shows, news, advertising, etc
- At least a subset, 1 e one or more, of the program channels comp ⁇ ses an AVI (audio video interactive) signal which comp ⁇ ses an audiovisual component as well as an interactive program component as desc ⁇ bed above
- the broadcast channel signal is provided to a demultiplexer 302 in the interactive decoder 140
- the demultiplexer 302 operates to separate the audio/video component from the interactive component
- the interactive component compnses an interactive application and/or data which is compliant with the OpenTV standard promulgated by Thomson Electronics
- other types of interactive applications may be included in the AVI signal, as desired
- the demultiplexer 302 provides the audio/video component to an audio/video decoding block 304
- the decoding block 304 operates to decode the compressed audiovisual data stream to produce decompressed data
- the broadcast channel transports MPEG-2 compressed data
- the decoding process block 304 preferably includes an MPEG-2 decoder for decompressing or decoding the encoded data
- the decoding process block 304 provides an audio/video output which is preferably provided to the television 150
- the interactive program component which is provided by the output of the demultiplexer 302 is provided to a memory 312. preferablv a random access memory (RAM) which stores the interactive application, l e .
- the OpenTV application A CPU 314 is coupled to the interactive application RAM 312
- the interactive application from the AVI signal is stored m the RAM 312. and the CPU 14 can read the application from the RAM 312 and execute the application
- the interactive decoder 140 also preferably includes a second memorv 16. preferablv a read only memorv (ROM) which stored the interactive application operating svstem
- the operating svstem is preferablv the OpenTV operating svstem from Thomson Electronics
- the ROM 16 which stores the OpenTV operating svstem is also coupled to the CPU 314
- the CPU 314 reads the OpenTV operating system from the ROM 316, whereby the operating system controls the operation of the CPU 314
- the CPU 314 also reads the interactive application from the RAM 312. which was provided with the AVI signal, and executes this interactive application under control of the OpenTV operating svstem stored in ROM 316
- the CPU 314 provides an output to a graphic on-screen display block 322
- the graphic on-screen display block 322 is coupled to provide an output in conjunction with the audio/video output provided bv decoder 304
- the graphic on-screen display block 322 orgamzes the data in a format which can be overlaid on top of the audio/video output of the decoder 304
- the CPU 314 executes an interactive application and generates on-screen graphics which are provided in conjunction with the audio/video stream being output from the decoder 1 0
- the interactive application is w ⁇ tten to cause one or more selection options to be displayed or overlaid on top of a television program or still image
- the CPU 314 executing the application provides the approp ⁇ ate output to the graphic on-screen display block 322, and the block 322 causes the respective selection buttons to be overlaid on top of and/or displayed with the audio/video output of the decoder 304
- the interactive decoder 140 also includes an input for receiving user input This user input is provided to an input of the CPU 314 This user input may be provided from va ⁇ ous devices, preferably from remote control 152 or from buttons on the TV 150 or the interactive decoder 140
- the user input provided to the CPU 314 enables a user to interact with the interactive application For example, the user or viewer may choose a selection or button displayed on the screen to view a linked still image according to the present invention The user or viewer may also choose a selection or button to order a product or order information, provide answers to a television game show, etc
- the interactive decoder 140 also includes a modem 324 which provides information on the return channel 156 for user interactivity As shown in Figure 3, the CPU 314 is coupled to the modem 324.
- the modem 324 is coupled to a return channel output of the interactive decoder 140 In the embodiment shown in Figure 3.
- the modem 324 may be used for bi-directional communication
- the return channel 156 preferably couples to a transaction server 160
- the transaction server 160 receives this order and processes the order for fulfillment
- the return channel 156 is also coupled to a media server, and the return channel 156 is used to select additional MPEG still images for display which are provided "on demand", as described further below Figures 4 - 6 Interactive Television Svstem
- Figures 4 - 6 illustrate a method for displaying web-like still video images related to video content in an interactive television system according to the present invention
- the method of the present invention provides hyperlinked web-like capabilities in an interactive television system
- the interactive television system comp ⁇ ses a video delivery system or broadcast center 100 for providing video content, and at least one subsenber television 150 including a display screen ⁇ herein the subsenber television is coupled to the video delivery svstem Figure 4 - Video Delivery Svstem Flowchart Diagram
- FIG. 4 is a flowchart diagram illustrating operation of the broadcast center of Figure 1 , also referred to as the video delivery system
- the video delivery system provides a plurality of program channels each comp ⁇ sing video content or audiovisual content
- At least one of the plurality of channels comp ⁇ ses an AVI signal which includes an audiovisual signal as well as an interactive program included with the audiovisual signal
- the video delivery system 100 provides at least one channel comp ⁇ sing a plurality of still video images This at least one channel is referred to as a still image channel
- the still video images are preferably MPEG or MPEG-2 compressed stills
- At least one of the plurality of still video images includes an interactive program associated with the respective still
- each of the still images includes an interactive program which displays a selection to return to viewing the video content of the AVI signal
- Each interactive program mav also include other selections which reference other still images or other options It is noted that the still image channel(s) comp ⁇ sing a plurality of still video images is a different channel from the plurality of program
- FIG. 5 a flowchart diagram illustrating operation of the interactive decoder 140 according to the present invention is shown In an embodiment where the interactive decoder logic is comp ⁇ sed in the television 150. the steps in Figures 5 - 6 are executed by the television 150 Although operation of the interactive decoder 140 is shown in Figures 5 -6 in flowchart form, it is noted that certain of the steps may occur substantially simultaneously
- the interactive decoder 140 receives the plurality of program channels each comp ⁇ sing video content
- step 414 the interactive decoder 140 receives the at least one channel comp ⁇ sing the plurality of still video images
- the interactive decoder 140 receives the plurahrv of program channels each comp ⁇ sing video content in step 412 and the at least one channel comp ⁇ sing the plurality of still video images in step 414 substantially simultaneously from a broadcast network as a single broadcast transmission It is also noted that the interactive decoder 140 receives the plurahrv of channels each comp ⁇ sing video content in step
- the broadcast network is preferablv a satellite broadcast network
- satellite broadcast networks include "DirecTV”, among others
- the interactive decoder 140 mav also receive these channels from other types of broadcast or point to multi-point networks, including a cable distnbu ⁇ on svstem or microwave networks
- step 422 the interactive decoder 140 decodes a selected channel and displavs the audiovisual content of the selected channel on the television 150
- the subsenber television 150 displavs video content from one of the channels based on a user channel selection
- the user preferablv uses the remote control 152 or presses a button on the television 150 to select a desired channel for viewing
- the interactive decoder 140 tunes to the respective channel decodes or decompresses the MPEG compressed audiovisual stream and displavs the audio-video content from the selected channel on the subsenber television 150
- the selected channel preferabh comp ⁇ ses an AVI signal which includes an audiovisual stream, preferablv an MPEG-2 compressed audiovisual stream, and interactive program content according to the present invention
- step 424 the interactive decoder 140 receives the interactive program or content from the AVI signal being displayed and executes this interactive program Execution of the interactive content causes the interactive decoder 140 to display one or more selection options on the television screen 150 in step 426 ( Figure 6)
- step 426 the one or more selection options are displayed on the screen with the related video content
- the one or more selection options are preferably overlaid on top of the video content currentlv being displayed
- At least a subset of the one or more selection options preferablv corresponds to respective still video images being transmitted in the still image channel
- one of the selection options mav be used for other interacts e selections
- the still video images referenced by the interactive program are preferablv related bv subject matter to the audiovisual content being displayed which included the interactive program
- the still video images referenced by the selection options also relate to that subject matter
- the interactive program displays selection options which reference MPEG stills of related products
- Figure 15 illustrates a television screen-shot of an advertisement for a Sun SparcStation which includes selection options that reference respective MPEG still images according to the present invention
- these stills include a close-up of the Sun SparcStation as well as related products including a modem, laptop computer, video monitor, and optical d ⁇ ve
- the selection options in the embodiment of Figure 15 are thumbp ⁇ nt images of the image that is referenced
- the one or more selection options are linked to a first set of still video images, wherein the first set of still video images have video content related to the subject matter of the audiovisual content being displayed If the user selects an option, such as the laptop computer then the laptop computer image is presented as shown in Figure 16 This operation is discussed further below
- the interactive program displays selection options which reference MPEG stills of Chevrolet trucks or other vehicles
- Each of the selection options is linked to at least one of the still video images, preferablv through a hyperlink
- These links mav be created, for example, bv HTML (hpertext mark-up language) code in the interactive application transmitted in the AVI signal
- the interactive application executing on the interactive decoder 140 reads the approp ⁇ ate link data or HTML data associated with the selection and ret ⁇ cvcs the corresponding MPEG still for display
- Steps 422 - 426 repeat and/or are continuously executed until user input is received making a selection
- steps 424 and 426 are onlv executed if the signal on the selected channel is an AVI signal which includes interactive content
- the interactive program completes
- no user input is received as determined in step 428 operation returns to step 422 If user input is received in step 428, i e .
- step 430 if the interactive decoder 140 receives user input selecting one of the selection options then operation advances to step 430 In this case, no option is presented to return to the video content of the AVI signal, since the video content of the AVI signal is currently being viewed, and operation proceeds directly to step 432
- step 432 the interactive decoder 140 determines which of the plurality of still video images corresponds to the user selection. This involves the interactive application executing on the interactive decoder 140 examining link data or HTML data to determine which of the pluralm of still video images corresponds to the user selection
- step 434 the interactive decoder 140 displays a still video image on the television screen corresponding to the user selection
- step 434 the interactive decoder 140 captures the still image that is being broadcast on the still image channel, preferably stores the still image in memory, such as memory 312. and displays the still image on the television screen
- the still video image is displayed in response to step 432 determimng that the respective still video image corresponds to the selection received from the user in step 424
- the video program content of the AVI signal, 1 e is displayed in an inset window of the still image displayed in step 434
- the audio from the AVI signal or television program is presented with the still image
- the respective still video image is displaved on the same channel that the user or viewer was previously watching
- one or more selections appear dunng a certain audiovisual television program, the user selects one of the selections, and a related or corresponding still image, referred to as a first still image, appears on the television on the same channel that the viewer was watching
- the first still image is related to the subject matter of the television program which was being viewed when the selection was made
- an inset of the television program mav be maintained, as desc ⁇ bed above
- the first still video image displayed in step 434 also preferablv includes an associated interactive program that is transmitted with the still video image
- the interactive program or content associated with the still image being displa ed is executed bv the interactive decoder 140
- Execution of the interactive content again causes the interactive decoder 140 to displav one or more selection options on the television screen 150 in step 426
- the one or more selection options are displayed on the screen with the related MPEG still
- the one or more selection options are preferablv overlaid on top of the video content or still image currenllv being displayed
- One or more selection options preferablv correspond to other related ones of the still video images being transmitted
- At least one of the selection options mav be used to return to watching the audiovisual component of the AVI signal, I e . to return to watching the telev ision program
- step 428 If a user selection is received in step 428 which indicates a desire to return to viewing the video content of the AVI signal as determined in step 430. l e . to return to watching the television program or commercial being presented, then the interactive decoder 140 returns to step 422 If the user selection indicates a desire to view another one of the MPEG stills, then operauon advances to step 432.
- FIG. 7 - 9 is similar to the embodiment of Figures 5 and 6
- the interactive decoder 140 operates to pre-cache or pre-load still images which are related to a still image selected by the user to enable faster and more efficient display of these images should these images be subsequently requested by the user
- the operation of the interactive decoder 140 is shown in Figures 7 - 9 in flowchart form, and it is noted that certain of the steps mav occur substantially simultaneously
- steps 412-432 of Figures 7 and 8 are performed in a substantially similar manner to steps 412-432 of Figures 5 and 6 as desc ⁇ bed above
- the interactive decoder 140 determines if the respective sull image that has been requested is cached
- step 446 the interactive decoder 140 ret ⁇ eves the still image from the rcspecuve still image channel where the image is being transmitted bv the broadcast network Tlus ret ⁇ eved still image is stored in the memorv 312 for displav
- step 448 the interactive decoder 140 pre-caches or pre-loads other still images which are related to the still image selected by the user These related still images are also preferablv stored in the RAM 312 of the interactive decoder 140
- the interactive decoder 140 preferablv stores or pre-caches the other respecUve MPEG still images, including the images of the Sun SparcStation, the modem, the video monitor, and the optical d ⁇ ve
- the interactive decoder 140 pre-caches or pre-loads the other three still images of Chevrolet trucks based on the assumption that the user will also subsequently desire to view these images
- step 448 After the related images are stored in step 448. operation then advances to step 434 ( Figure 9)
- step 434 the interactive decoder 140 displays the still video image on the television screen
- the interactive decoder 140 captures the selected still image that is being broadcast on the sull image channel, preferably stores the still image in memory, such as memorv 312. and displays the sull image on the television screen If the still image includes an interactive program, then in step 436 the interacuve decoder 140 executes the interactive program associated with the still image as previously desc ⁇ bed Operation then returns to step 426 as previously desc ⁇ bed
- the interactive decoder 140 operates to pre-cache or pre-load the still images which are related to a selected still image, based on the likelihood that the user will subsequently request these cached still images This enables the interactive decoder 140 to provide these images much more quickly, thus reducing latency and providing greater responsiveness Figure 10 - Interactive Television Svstem with Media Server
- Figure 10 a diagram illustrating an interactive television system and including a media server 180 according to another embodiment of the present invention is shown.
- Figure 10 is similar to Figure 1, and elements in Figure 10 which are similar or identical to elements in Figure 1 have the same reference numerals for convenience.
- Figure 10 is similar to Figure 1 except that the embodiment of Figure 10 includes a media server 180 which is coupled to the return channel 156 of the interactive decoder 140
- the user when the user has viewed all of the available MPEG stills related to a certain subject matter that are being broadcast from the broadcast center 100, and the user desires to view further stills and/or obtain other information, the user can select an option which causes a request to be made for further stills or information
- the request is provided from the interacuve decoder 140 to media server 180.
- the media server 180 provides the requested still images to the broadcast center 1 0. and the broadcast center 100 broadcasts the desired stills on a pre-designated channel reserved for user requests, referred to as the search channel It is noted that the user requests are only made once the user has exhausted all other available MPEG stills Thus, in this embodiment, it is presumed that the vast majo ⁇ ty of users will be satisfied with the MPEG stills that are being broadcast on the regular MPEG still broadcast channel However, for those small number of users who desire more information, these users can make a request which is provided to the media server 180, and additional MPEG stills are provided by the broadcast center 100 "on demand" on the predefined search channel
- the media server 180 when the interactive decoder 140 transmits a request to the media server 180 for additional MPEG stills, the media server 180 provides these additional stills back through the return channel 156 to the interactive decoder 140, instead of providing the request to the broadcast center 100 for broadcast over the pre-defined channel
- the modem 324 in the MPEG decoder 140 receives the requested sull image, and the still image is stored in memory and provided through the decoder 304 for display on the television 150
- the media server 180 acts much like a web-server which receives the requests and provides the requested MPEG still directly to the interactive decoder 140 through the return channel 156
- the media server 180 provides the desired MPEG stills directly to the interacuve decoder 140 of the requesting user, and the MPEG stills are not required to be broadcast on a special pre-defined channel reserved for this use.
- Figures 11 - 14 illustrate a method for displaying web-like still video images related to video content in an interactive television system with additional user request capabilities according to the present invenUon
- the present invention thus provides hyperlinked, on demand, web-like capabilities in an interacuve television system
- the embodiment of Figures 11 - 14 is similar to the embodiment of Figures 4 - 6 However, this embodiment allows a user or viewer to request and receive additional still images, thus providing more web- like capabilities.
- the interactive television system of this embodiment comp ⁇ ses a video delivery system 100 for providing video content, and at least one subsenber television 150 including a screen, wherein the subsenber television is coupled to the video delivery system
- the interactive television system also comp ⁇ ses a media server or web server 180 for handling user requests Figure 11 - Video Delivery System Flowchart Diagram
- FIG 11 is a flowchart diagram illustrating operauon of the broadcast center of Figure 10, also referred to as the video delivery system
- the video delivery system provides a plurality of program channels each compnsing video content or audiovisual content
- At least one of the plurahrv of channels comp ⁇ ses an AVI signal which includes an audiovisual signal as well as an interactive program included with the audiovisual signal
- the video delivery system 100 provides at least one channel comp ⁇ sing a plurality of still video images This at least one channel is referred to as the still image channel
- the sull video images are preferablv MPEG or MPEG-2 compressed stills
- At least one of the plural of still video images includes an interactive program associated with the respective still
- each of the still images includes an interactive program which displavs a selection to return to viewing the video content of the AVI signal
- Each interactive program may also include other selecUons which reference other still images or other options
- the still image channel(s) comp ⁇ sing a of still video images is different from the plurality of program channels comp ⁇ sing audiovisual content
- step 506 the video delivery system provides at least one channel comp ⁇ sing a plurahtv of requested still video images, referred to as a search channel
- the channel provided in step 506 comp ⁇ ses a search channel which is dedicated for providing MPEG s ⁇ ll images on demand " . 1 e . based on user s requests
- the video delivery system 100 provides the program channels in step 502, the at least one still image channel in step 504. and the search channel m step 506 as a single broadcast and the transmission of these channels is shown as separate steps for lllustraUve purposes Figures 12 - 14 Interactive Decoder Flowchart Diagram
- FIG. 12 - 14 a flowchart diagram illustrating operation of the interactive decoder 140 according to the present invention is shown
- the steps in Figures 12 - 14 are executed by the television 150
- operation of the interactive decoder 140 is shown in Figures 12 -14 in flowchart form, it is noted that certain of the steps mav occur substantially simultaneously
- step 512 the interactive decoder 140 receives the plurahtv of program channels each comp ⁇ sing video content
- the interactive decoder 140 receives the at least one still image channel comp ⁇ sing the plurality of sull video images
- step 516 the interactive decoder 140 receives the at least one search channel compnsing the plurahtv of requested still video images
- the still images transferred on this latter search channel are provided "on demand" based on user s requests
- the interactive decoder 140 receives the plurahtv of channels each comp ⁇ sing video content in step 512, the at least one channel comp ⁇ sing the plurality of still video images in step 514, and the at least one channel comp ⁇ sing requested s ll images in step 516 substantially simultaneously from a broadcast network, such as a satellite broadcast network Examples of satellite broadcast networks include "DirecTV", among others
- the interactive decoder 140 may also receive these channels from other types of broadcast or point to multi-point networks, including a cable distnbution svstem or microwave networks It is also noted that the interactive decoder 140 receives the plurahrv of channels each comp ⁇ sing video content in step 512 and the channels comp ⁇ sing the plurahtv of still video images in steps
- step 522 the interactive decoder 140 decodes a selected channel and displays the audiovisual content of the selected channel on the television 150
- the subsenber television 150 displays video content from one of the channels based on a user channel selecuon
- the user preferablv uses the remote control 152 or presses a button on the television 150 to select a desired channel for viewing
- the interactive decoder 140 tunes to the respective channel, decodes or decompresses the MPEG compressed audiovisual stream, and displavs the audio-video content from the selected channel on the subsenber television 150
- the selected channel preferablv compnses an AVI signal which includes an audiovisual stream, preferablv an MPEG-2 compressed audiovisual stream, and interactive program content according to the present invention
- step 524 the interactive decoder 140 receives the interactive program or content from the AVI signal being displaved and executes this interactive program Execution of the interactive content causes the interacuve decoder 140 to display one or more selection options on the television screen 150 m step 526 In step 526 the one or more selection options are displayed on the screen with the related video content The one or more selection options are preferablv overlaid on top of the video content currentlv being displaved, as shown in the example of Figure 15 At least a subset of the one or more selection options preferablv corresponds to respective still video images being transmitted on the still image channel
- the still video images referenced by the interactive program are preferablv related by subject matter to the audiovisual content being displayed which included the interactive program.
- the video content being displaved relates to a first subject matter then the still video images referenced bv the selection options also relate to that subject matter
- Each of the selection options is linked to at least one of the sull video images, preferablv through a hyperlink
- These links may be created, for example, bv HTML (hpertcxt mark-up language) code in the interactive application transmitted in the AVI signal
- the interactive application executing on the interactive decoder 140 reads the approp ⁇ ate link data or HTML data associated with the selection and retneves the corresponding MPEG still for displav
- Steps 522 - 526 repeat and/or are conUnuously executed so user input is received making a selecuon It is noted that steps 524 and 526 are only executed if the signal on the selected channel is an AVI signal which includes interactive content Also, if no user input is received within a certain pe ⁇ od of time, the interacuve program completes Thus if no user input is received as determined in step 528 then operation returns to step 522 If user input is received m step 528, 1 e , if the interacuve decoder 14 ⁇ receives user input selecung one of the selection opUons.
- step 522 If the user is currently viewing a still image and the selection indicates a desire to return to viewing the video content of the AVI signal, I e . to return to watching the television program or commercial being presented, then the interactive decoder 140 returns to step 522 If the user selecuon indicates a desire to view one of the MPEG stills currently being broadcast, then operation advances to step 532 ( Figure 14) If the user selection is a request to view one or more MPEG stills or other information that is not currentlv being broadcast, then operation advances to step 542 ( Figure 14)
- step 532 the interactive decoder 140 determines which of the plurahtv of still video images corresponds to the user selection As mentioned above, this involves the interactive application executing on the interactive decoder 140 examining link data or HTML data to determine which of the plurality of still video images corresponds to the user selection In step 514 the interactive decoder 140 displavs a still video image on the television screen corresponding to the user selection In step 534, the interactive decoder 140 captures the still image that is being broadcast on the still image channel, preferablv stores the still image in memory, such as memory 312, and displays the still image on the television screen Thus the still video image is displaved in response to step 532 determimng that the respective still video image corresponds to the selection received from the user in step 528
- the respective still video image is displayed on the same channel that the user or viewer was previously watching
- one or more selections appear dunng a certain audiovisual program, the user selects one of the selections, and a related or corresponding still image, referred to as a first still image, appears on the television on the same channel that the v lewer was watching
- the first still image is related to the subject matter of the telev lsion program which was being viewed when the selection was made
- the still video image displayed m step 534 may also include an associated interactive program that is transmitted with the still video image
- the interactive program or content associated with the still image being displayed is executed by the interactive decoder 140
- Execution of the interactive content again causes the interactive decoder 140 to display one or more selection opUons on the television screen 150 in step 526
- the one or more selection opUons are displayed on the screen with the related MPEG sull, as discussed above with respect to the example of Figure 16
- the one or more selection opUons are preferably overlaid on top of the video content or still image currently being displayed At least one of the selecuon opUons may be used to return to watching the audiovisual component of the AVI signal, l e .
- step 536 the interactive decoder 140 transmits a user selection to the media server 180
- the media server 180 preferably provides the requested sull images to the broadcast center 100, and the broadcast center 100 broadcasts the desired stills on the pre- designated search channel reserved for user requests
- step 544 the interactive decoder 140 receives one or more still images from the broadcast center
- the one or more still images from the broadcast center 100 are preferably provided on a search channel, which is a channel dedicated to " on demand" MPEG still images that are requested by users
- step 546 the interactive decoder 140 displays the one or more requested sull video images on the television screen corresponding to the user request
- the interactive decoder 140 captures the still image that is being broadcast on the search channel, preferablv stores the still image in memory, such as memory 312. and displays the still image on the television screen
- the still video image is displaved in response to the user request in step 542
- the respective still video image is displayed on the same channel that the user or viewer was previously watching
- one or more selections appear during a certain audiovisual program, the user selects one of the selections, and a related or corresponding still image, referred to as a first still image, appears on the television on the same channel that the viewer was watching
- the first still image is related to the subject matter of the television program which was being viewed when the selecuon was made
- the still video image displayed in step 546 may also include an associated interacuve program that is transmitted with the still video image
- the interactive program or content associated with the still image being displayed is executed bv the interactive decoder 140 Execution of the interacuve content again causes the interactive decoder 140 to displav one or more selection options on the television screen 150 in step 526
- the one or more selection options are displayed on the screen with the related MPEG still, preferablv overlaid as described above At least one of the selection options may be used to return to watching
- steps 526 - 528 repeat as desc ⁇ bed above
- the user may possibly view other still images, request new images be transmitted for viewing, or may return to the television program that was being watched Figure 15 - Television Program with User Selections
- Figure 15 illustrates a screen shot of a television program or commercial which includes va ⁇ ous user selections for selecting still images according to the present invention As shown, the selections are overlaid on top of the normal program These selections may comp ⁇ se thumbpnnt images which indicate the nature of the still image referenced, much like a web home page The selections mav also be used to order information or products
- the decoder 140 displays one or more user selecuon options which reference still images being broadcast These user selection options may take the form of thumbp ⁇ nt images
- Figure 16 illustrates a screen shot of a still image which includes va ⁇ ous user selections As shown the selections are overlaid on top of the image
- These user selections may be used for selecting other still images according to the present invention
- these selections may comp ⁇ se thumbp ⁇ nt images which indicate the nature of the still image referenced, much like a web home page
- the selections displayed with the sull image may also be used to order information or products return to viewing the television program, or otherwise interact with the image being displayed
- the selection guide may include a plurality of channels, such as channels 200-
- each of the channels are reserved for a respective advertiser It is noted that the system of the present invenUon may be used for any of va ⁇ ous types of advertising content as desired
- each channel is reserved for a special auto manufacturer, e g
- channel 200 is reserved for a Tovota Sale-A-Thon.
- channel 201 is reserved for Nissan,
- channel 202 is reserved for
- channel 203 is reserved for Chrvsler Corporation, channel 204 is reserved for Plvmouth.
- channel 205 is reserved for Chevrolet, channel 206 is reserved for Saturn, and channel 207 is reserved for
- each of the names beside the respective channels in Figure 17 are hyperlinked to one or more corresponding MPEG stills
- These MPEG stills are preferably being continuously broadcast on a channel reserved for this purpose, as desc ⁇ bed above
- MPEG stills which include other advertising content of the respecuve advertiser are captured and displayed
- FIG. 18 a diagram lllustra ng the web-like capabilities of the interacuve television system of the present invenuon is shown
- the decoder 140 displays the corresponding sull image
- the still image mav compnse one or more thumbp ⁇ nt images or stills as well as one or more user selecuon opuons
- an image is displayed which includes one or more thumbp ⁇ nts of stills which the user may select and view, as well as one or more possible opUons
- the thumbp ⁇ nts may be selected to a full size image of the respective thumbp ⁇ nt
- the corresponding MPEG still which is continuously being transferred by the interactive television broadcast system, is captured and stored in the memory of die decoder 140, and this s ll image is displayed
- the options shown in the hyperlink page comp ⁇ se a send brochure opUon, and an exit option
- the "send brochure" opUon may be selected for the user to indicate the desire to receive a brochure on the automobiles displayed in the respec e image
- the exit option may also be selected to return to the main channel selection menu shown in Figure 17
- the frame may also include an option to see additional pages with addiUonal thumbp ⁇ nt images or other user options for viewing as desired
- an interactive television system Tlus provides a more simplified mechanism for displaying interactive advertising content, as well as a simplified mechanism for enabling the user to navigate through interactive advertising content in an interactive television svstem
- Figure 19 illustrates an example where an MPEG still image is used to provide advertising and/or an entry form for a sweepstakes or contest As shown, Figure 19 illustrates an MPEG still which compnses a sweepstakes entry form which can be filled out by the user or viewer The information entered by the viewer on the still image form is then transmitted by the interactive decoder 140 to the transaction server 160 to enter the viewer in the sweepstakes Figure 20 - Magazine Subsc ⁇ ption Example
- Figure 20 illustrates an example where an MPEG still image is used to provide advertising regarding magazine subsc ⁇ ptions
- Figure 19 illustrates an MPEG still which shows a number of possible magazine subsc ⁇ ptions
- the MPEG still shown in Figure 20 preferably includes a plurahtv of thumbp ⁇ nts which show the covers of magazines which may be ordered by the viewer of the interactive television svstem
- the MPEG still in Figure 20 also includes a 'more" selection which allows the user to advance to another MPEG still which shows other magazine subsc ⁇ ption options
- Each of the thumbpnnt images in Figure 20 may be selected to view a full-size image of a respective magazine as well as an option to order the respective magazine
- information is provided from the MPEG decoder 140 to the transaction server 160 to order the respective magazine for the user Figures 21 - 24 Informauon Data Feeds
- Figures 21 -24 illustrate use of the interactive television system of the present invention to selectively provide va ⁇ ous data fees to a number of users
- one or more channels are reserved solely for MPEG stills that are related to data fees which mav be desired by viewers
- the first MPEG still which is displaved may show a desktop which includes sports, news, and stock options
- Each of these selections in turn references further MPEG stills as shown in Figures 22-24 for sports, news, and stock information, as shown
- the interacuve television system of the present invention thus enables a user to subsc ⁇ be to a form of video content, such as a magazine, i e , Sports Illustrated, Wired, etc , as opposed to subsc ⁇ bmg to two channels of traditional broadcast programming
- the interacuve television system provider may charge a first certain amount of money per subsenber per month per channel to allow the prospective provider to provide advertising content through the interacuve television svstem
- the compressed video stills are preferably MPEG stills, preferably MPEG-2 compressed video stills
- the interactive television system includes a 4 Megabit per second (Mbit/sec) channel and transfer rate, which is equivalent to 5 Mbit/sec of data transfer
- Mbit/sec Megabit per second
- Each MPEG-2 compressed still image preferably compnses approximatelv 20 kilobytes
- the interactive television system in the prcfe ⁇ ed embodiment is capable of transfer ⁇ ng 25 still images per second
- 5 Mbit/sec divided by 20 kilobvtc/still image equals 25 still images per second
- the interactive television delivery broadcast system includes a carousel of images with a 3 second maximum latency Assuming a 3 second maximum latency, the svstem of the present mvenUon preferablv stores and delivers up to 75 different images This mav correspond to for example, 25 advertisers, each with 3 hyperlinked pages
- Each of the users or viewers has full-time access to each of these pages through a channel guide with hyperlink
- interactive television system includes an 8 second latency
- the svstem stores a possible 400 different images wherein these images may be assigned, for example, as four pages per advertiser for 100 advertisers
- each compressed video image compnses 20 kilobytes per still image, thus, 4 times 20 kilobytes is 80 kilobytes for each advertiser, umes 100 advertisers equals 8 megabytes
- the present invention comp ⁇ ses and improved system and method for providing interactive web-like content in an interactive television system
- the system and method of the present invention dedicates one or more channels for transfer ⁇ ng MPEG stills and utilizes hyperlinks to enable users to navigate within these stills in a similar manner to an Internet web page Selections are hvperhnked to respective MPEG compressed video stills which provide further content or information
- the MPEG stills further include interactive programming which provides options for the user to select more information or purchase products as desired
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU36481/97A AU3648197A (en) | 1996-07-01 | 1997-07-01 | Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content |
EP97933249A EP0909512A1 (en) | 1996-07-01 | 1997-07-01 | Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content |
JP50443998A JP2001508602A (en) | 1996-07-01 | 1997-07-01 | Interactive television system and method with on-demand web navigation capabilities for displaying requested hyperlink web still images associated with television content |
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Also Published As
Publication number | Publication date |
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US5929850A (en) | 1999-07-27 |
EP0909512A1 (en) | 1999-04-21 |
US6941574B1 (en) | 2005-09-06 |
JP2001508602A (en) | 2001-06-26 |
AU3648197A (en) | 1998-01-21 |
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