CA958648A - Time compression of audio signals - Google Patents

Time compression of audio signals

Info

Publication number
CA958648A
CA958648A CA167,573A CA167573A CA958648A CA 958648 A CA958648 A CA 958648A CA 167573 A CA167573 A CA 167573A CA 958648 A CA958648 A CA 958648A
Authority
CA
Canada
Prior art keywords
audio signals
time compression
compression
time
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA167,573A
Other versions
CA167573S (en
Inventor
George F. Newell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA958648A publication Critical patent/CA958648A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/802—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving processing of the sound signal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/002—Special television systems not provided for by H04N7/007 - H04N7/18
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
CA167,573A 1972-04-07 1973-03-30 Time compression of audio signals Expired CA958648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24194472A 1972-04-07 1972-04-07

Publications (1)

Publication Number Publication Date
CA958648A true CA958648A (en) 1974-12-03

Family

ID=22912830

Family Applications (1)

Application Number Title Priority Date Filing Date
CA167,573A Expired CA958648A (en) 1972-04-07 1973-03-30 Time compression of audio signals

Country Status (7)

Country Link
US (1) US3789137A (en)
JP (1) JPS4911009A (en)
CA (1) CA958648A (en)
DE (1) DE2317490C2 (en)
FR (1) FR2179259B1 (en)
GB (1) GB1433411A (en)
NL (1) NL7304797A (en)

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US4065765A (en) * 1975-08-11 1977-12-27 The United States Of America As Represented By The Secretary Of The Navy Pulse-width demodulator and information storage device
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US4223404A (en) * 1978-04-26 1980-09-16 Raytheon Company Apparatus for recycling complete cycles of a stored periodic signal
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US4351006A (en) * 1979-03-19 1982-09-21 United Kingdom Atomic Energy Authority Method of and apparatus for storing data signals
US4266243A (en) * 1979-04-25 1981-05-05 Westinghouse Electric Corp. Scrambling system for television sound signals
DE2921892A1 (en) * 1979-05-30 1980-12-11 Bosch Gmbh Robert METHOD FOR STORING DIGITAL TELEVISION SIGNALS
US5018020A (en) * 1979-08-15 1991-05-21 Discovision Associates Record disc for storing separate video and audio information
US6195502B1 (en) * 1979-08-15 2001-02-27 Discovision Associates Stop motion video apparatus including improved dynamic range
US4583131A (en) * 1979-08-15 1986-04-15 Discovision Associates Method and apparatus for stop-motion playback of a record disc
JPS5630376A (en) * 1979-08-15 1981-03-26 Discovision Ass Method of determining signal form
FR2464003A1 (en) * 1979-08-17 1981-02-27 Thomson Brandt VIDEO RECORDING ON DISC AND DEVICE FOR REPETITIVE READING OF SUCH RECORDING
US4317131A (en) * 1979-09-10 1982-02-23 Mcdonnell Douglas Corporation System and method for reproducing pictures and related audio information
DE2942563C2 (en) * 1979-10-22 1984-06-28 Robert Bosch Gmbh, 7000 Stuttgart Arrangement for generating a continuous audio signal
US4321622A (en) * 1979-11-26 1982-03-23 Mcdonnell Douglas Corporation Video track transfer system and method
JPS5724005A (en) * 1980-07-17 1982-02-08 Sony Corp Digital signal processor
US4463389A (en) * 1980-10-31 1984-07-31 Discovision Associates System for recording and playing back continuous-play and stop-motion signals
US4383279A (en) * 1980-12-01 1983-05-10 North American Philips Corporation Reproduction of special purpose information on a video disc
US4409617A (en) * 1980-12-03 1983-10-11 United Kingdom Atomic Energy Authority Information processing
FR2505593A1 (en) * 1981-05-11 1982-11-12 Westinghouse Electric Corp Multiple sound channel compression and video combining circuit - uses sampling circuits to digitise data for insertion at vertical line return period of video signal
US4429332A (en) * 1981-05-18 1984-01-31 Eeco Incorporated Television compressed audio
US4455635A (en) * 1981-10-14 1984-06-19 Rca Corporation Coding system for recorded digital audio
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
JPS5933605A (en) * 1982-08-17 1984-02-23 Fuji Photo Film Co Ltd Sound recording system of electronic still camera
US4665427A (en) * 1983-03-14 1987-05-12 U.S. Philips Corporation Method and apparatus for converting C-MAC television signals for transmission over a limited bandwidth medium
US4608456A (en) * 1983-05-27 1986-08-26 M/A-Com Linkabit, Inc. Digital audio scrambling system with error conditioning
JPS60223079A (en) * 1984-04-18 1985-11-07 Sony Corp Information signal recorder
US4652903A (en) * 1984-09-21 1987-03-24 Scientific Atlanta, Inc. Frequency generation for multiplexed analog component color television encoding and decoding
MX158466A (en) * 1984-11-01 1989-02-03 Sony Corp RECORDER AND / OR PLAYER OF SIGNALS
JPH0719327B2 (en) * 1985-03-08 1995-03-06 キヤノン株式会社 Video and audio recorder
DE3685358D1 (en) * 1985-03-27 1992-06-25 Sony Corp SIGNAL RECORDING AND PLAYBACK DEVICE FOR AN OPTOMAGNETIC DISK.
US4656512A (en) * 1985-05-16 1987-04-07 Grumman Aerospace Corporation Multiple audio transmission system using a single video color carrier
US5006936A (en) * 1985-11-27 1991-04-09 Ltv Aerospace And Defense Company Method and system for high density analog data storage retrieval, and transmission
GB2189963B (en) * 1986-03-14 1989-12-13 Pioneer Electronic Corp Video disk and recording and reproduction devices therefore
GB8608775D0 (en) * 1986-04-10 1986-05-14 Quantel Ltd Video editing & processing
CA1301313C (en) * 1987-02-20 1992-05-19 Lorne A. Parker Method and apparatus for producing an audio magnetic tape recording at high speed from a preselected music library
US4851931A (en) * 1987-02-20 1989-07-25 1K Music International Ltd. Method and apparatus for producing an audio magnetic tape recording at high speed from a preselected music library
FI884389A (en) * 1987-09-25 1989-03-26 Grant Ball ANORDNING OCH FOERFARANDE FOER VAL AV INSPELNING, DESS KOPIERING MED STOR HASTIGHET OCH HOEG KVALITET OCH BETALNING AV ROYALTY FOER DENSAMMA.
US5038221A (en) * 1987-10-13 1991-08-06 Louis Dorren Luminance encoded digital audio system
US4994899A (en) * 1988-03-23 1991-02-19 Scientific Atlanta, Inc. Frequency generation for extended bandwidth MAC color television encoding and decoding
FR2654886B1 (en) * 1989-11-21 1996-09-13 France Etat METHOD FOR MULTIPLEXING A SIGNAL OF SOUND SEQUENCES IN A VIDEO IMAGE SIGNAL FOR RECORDING ON A VIDEODISK AND RELATED RESTITUTION SYSTEM.
GB2248717B (en) * 1990-08-17 1994-10-19 Mitsubishi Electric Corp Magnetic recording and reproducing apparatus
US5091936A (en) * 1991-01-30 1992-02-25 General Instrument Corporation System for communicating television signals or a plurality of digital audio signals in a standard television line allocation
FR2679091B1 (en) * 1991-07-12 1994-05-06 Toulouse Inst Nal Polytechnique METHOD AND DEVICE FOR INSERTING AN AUDIO SIGNAL INTO A VIDEO SIGNAL, AND METHOD AND DEVICE FOR REVERSE PROCESSING.
CA2081742C (en) * 1991-11-13 2000-05-23 Anthony M. Radice Apparatus and method for recording random data on a digital video recorder
US6463406B1 (en) * 1994-03-25 2002-10-08 Texas Instruments Incorporated Fractional pitch method
US5699477A (en) * 1994-11-09 1997-12-16 Texas Instruments Incorporated Mixed excitation linear prediction with fractional pitch
US7529856B2 (en) * 1997-03-05 2009-05-05 At Home Corporation Delivering multimedia services
US6370571B1 (en) * 1997-03-05 2002-04-09 At Home Corporation System and method for delivering high-performance online multimedia services
US6216263B1 (en) 1998-04-24 2001-04-10 Soundview Technologies Incorporated Receiver apparatus and method for providing conditional access to received televison programs
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Publication number Priority date Publication date Assignee Title
US3104284A (en) * 1961-12-29 1963-09-17 Ibm Time duration modification of audio waveforms
US3277246A (en) * 1962-08-30 1966-10-04 Altonji Edmund Russell Apparatus for magnetically recording a time division multiplex signal
US3491199A (en) * 1967-05-12 1970-01-20 Xerox Corp Facsimile multiplex system
US3564127A (en) * 1968-03-08 1971-02-16 Westinghouse Electric Corp System of band compression for video signals
FR2040882A5 (en) * 1969-04-16 1971-01-22 Sodeteg

Also Published As

Publication number Publication date
AU5375873A (en) 1974-09-26
GB1433411A (en) 1976-04-28
FR2179259A1 (en) 1973-11-16
DE2317490A1 (en) 1973-10-11
FR2179259B1 (en) 1978-05-26
US3789137A (en) 1974-01-29
JPS4911009A (en) 1974-01-31
NL7304797A (en) 1973-10-09
DE2317490C2 (en) 1982-12-30

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19911203