WO2009148751A3 - Time aligned group audio reproduction in narrowband and broadband networks - Google Patents
Time aligned group audio reproduction in narrowband and broadband networks Download PDFInfo
- Publication number
- WO2009148751A3 WO2009148751A3 PCT/US2009/042809 US2009042809W WO2009148751A3 WO 2009148751 A3 WO2009148751 A3 WO 2009148751A3 US 2009042809 W US2009042809 W US 2009042809W WO 2009148751 A3 WO2009148751 A3 WO 2009148751A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- narrowband
- networks
- devices
- reproduction
- media stream
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
- H04L65/4046—Arrangements for multi-party communication, e.g. for conferences with distributed floor control
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41415—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance involving a public display, viewable by several users in a public space outside their home, e.g. movie theatre, information kiosk
-
- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
-
- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43076—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of the same content streams on multiple devices, e.g. when family members are watching the same movie on different devices
-
- 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
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
- H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
- H04L43/0858—One way delays
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2726770A CA2726770C (en) | 2008-06-05 | 2009-05-05 | Time aligned group audio reproduction in narrowband and broadband networks |
AU2009255476A AU2009255476B2 (en) | 2008-06-05 | 2009-05-05 | Time aligned group audio reproduction in narrowband and broadband networks |
EP09758914.7A EP2291975B1 (en) | 2008-06-05 | 2009-05-05 | Time aligned group audio reproduction in narrowband and broadband networks |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/133,882 US7899193B2 (en) | 2008-06-05 | 2008-06-05 | Time aligned group audio reproduction in narrowband and broadband networks |
US12/133,882 | 2008-06-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2009148751A2 WO2009148751A2 (en) | 2009-12-10 |
WO2009148751A3 true WO2009148751A3 (en) | 2010-04-15 |
WO2009148751A4 WO2009148751A4 (en) | 2010-06-10 |
Family
ID=41398758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/042809 WO2009148751A2 (en) | 2008-06-05 | 2009-05-05 | Time aligned group audio reproduction in narrowband and broadband networks |
Country Status (5)
Country | Link |
---|---|
US (1) | US7899193B2 (en) |
EP (1) | EP2291975B1 (en) |
AU (1) | AU2009255476B2 (en) |
CA (1) | CA2726770C (en) |
WO (1) | WO2009148751A2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8675649B2 (en) | 2008-11-18 | 2014-03-18 | Yamaha Corporation | Audio network system and method of detecting topology in audio signal transmitting system |
CN105898857B (en) * | 2009-06-23 | 2021-05-07 | 北京三星通信技术研究有限公司 | Data synchronization method and system |
DE102011117283A1 (en) * | 2011-10-31 | 2013-05-02 | Merkur Media GmbH | Method for transmitting information |
US9521449B2 (en) * | 2012-12-24 | 2016-12-13 | Intel Corporation | Techniques for audio synchronization |
US10212065B2 (en) * | 2016-10-20 | 2019-02-19 | Gatesair, Inc. | Extended time reference generation |
WO2019132681A1 (en) | 2017-12-27 | 2019-07-04 | Motorola Solutions, Inc | Methods and systems for generating time-synchronized audio messages of different content in a talkgroup |
US10341609B1 (en) | 2018-01-17 | 2019-07-02 | Motorola Solutions, Inc. | Group video synchronization |
US10250936B1 (en) | 2018-01-17 | 2019-04-02 | Motorola Solutions, Inc. | Transmission of group video synchronization to other radios |
EP3794880A1 (en) | 2018-06-20 | 2021-03-24 | Sony Corporation | Infrastructure equipment, communications device and methods |
KR102369682B1 (en) * | 2020-05-07 | 2022-03-04 | (주)뮤직몹 | System for providing a playing music information |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485632A (en) * | 1993-02-26 | 1996-01-16 | Motorola, Inc. | Method for initiating and determining simulcast transmission of a message |
US20060133309A1 (en) * | 2004-12-21 | 2006-06-22 | Mathis James E | Methods for synchronization of communications between a circuit switched network and a packet data network |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6253207B1 (en) * | 1997-09-25 | 2001-06-26 | Lucent Technologies Inc. | Method and apparatus for transporting multimedia information over heterogeneous wide area networks |
US7672465B2 (en) * | 2005-01-14 | 2010-03-02 | Sony Corporation | System and method for synchronization using GPS in home network |
US20090013086A1 (en) * | 2007-02-08 | 2009-01-08 | Yair Greenbaum | System and method for live video and audio discussion streaming to multiple users |
-
2008
- 2008-06-05 US US12/133,882 patent/US7899193B2/en active Active
-
2009
- 2009-05-05 EP EP09758914.7A patent/EP2291975B1/en active Active
- 2009-05-05 WO PCT/US2009/042809 patent/WO2009148751A2/en active Application Filing
- 2009-05-05 AU AU2009255476A patent/AU2009255476B2/en active Active
- 2009-05-05 CA CA2726770A patent/CA2726770C/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485632A (en) * | 1993-02-26 | 1996-01-16 | Motorola, Inc. | Method for initiating and determining simulcast transmission of a message |
US20060133309A1 (en) * | 2004-12-21 | 2006-06-22 | Mathis James E | Methods for synchronization of communications between a circuit switched network and a packet data network |
Non-Patent Citations (2)
Title |
---|
ESCOBAR J ET AL: "FLOW SYNCHORNIZATION PROTOCOL", IEEE / ACM TRANSACTIONS ON NETWORKING, IEEE / ACM, NEW YORK, NY, US, vol. 2, no. 2, 1 April 1994 (1994-04-01), pages 111 - 120, XP000458366, ISSN: 1063-6692 * |
ISHIBASHI Y ET AL: "A group synchronization mechanism for live media in multicast communications", GLOBAL TELECOMMUNICATIONS CONFERENCE, 1997. GLOBECOM '97., IEEE PHOENIX, AZ, USA 3-8 NOV. 1997, NEW YORK, NY, USA,IEEE, US, vol. 2, 3 November 1997 (1997-11-03), pages 746 - 752, XP010254701, ISBN: 978-0-7803-4198-2 * |
Also Published As
Publication number | Publication date |
---|---|
AU2009255476A1 (en) | 2009-12-10 |
US20090304201A1 (en) | 2009-12-10 |
WO2009148751A4 (en) | 2010-06-10 |
EP2291975A2 (en) | 2011-03-09 |
CA2726770C (en) | 2014-02-11 |
US7899193B2 (en) | 2011-03-01 |
EP2291975B1 (en) | 2017-04-12 |
WO2009148751A2 (en) | 2009-12-10 |
AU2009255476B2 (en) | 2013-06-20 |
CA2726770A1 (en) | 2009-12-10 |
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