DE69418942T2 - Gerät zur Komprimierung und Wiedergabe von Video/Audio-Daten - Google Patents

Gerät zur Komprimierung und Wiedergabe von Video/Audio-Daten

Info

Publication number
DE69418942T2
DE69418942T2 DE69418942T DE69418942T DE69418942T2 DE 69418942 T2 DE69418942 T2 DE 69418942T2 DE 69418942 T DE69418942 T DE 69418942T DE 69418942 T DE69418942 T DE 69418942T DE 69418942 T2 DE69418942 T2 DE 69418942T2
Authority
DE
Germany
Prior art keywords
playback
video
compression
audio data
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 - Lifetime
Application number
DE69418942T
Other languages
English (en)
Other versions
DE69418942D1 (de
Inventor
Hiroaki Ueda
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.)
Crescent Moon LLC
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69418942D1 publication Critical patent/DE69418942D1/de
Application granted granted Critical
Publication of DE69418942T2 publication Critical patent/DE69418942T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H04N9/8045—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using predictive coding
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
DE69418942T 1993-08-13 1994-08-12 Gerät zur Komprimierung und Wiedergabe von Video/Audio-Daten Expired - Lifetime DE69418942T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20154193 1993-08-13

Publications (2)

Publication Number Publication Date
DE69418942D1 DE69418942D1 (de) 1999-07-15
DE69418942T2 true DE69418942T2 (de) 1999-12-09

Family

ID=16442761

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418942T Expired - Lifetime DE69418942T2 (de) 1993-08-13 1994-08-12 Gerät zur Komprimierung und Wiedergabe von Video/Audio-Daten

Country Status (3)

Country Link
US (1) US5565996A (de)
EP (1) EP0639033B1 (de)
DE (1) DE69418942T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3063824B2 (ja) * 1996-10-29 2000-07-12 日本電気株式会社 オーディオ・ビデオ同期再生装置
JP3039624B2 (ja) * 1996-12-02 2000-05-08 日本電気株式会社 オーディオ・ビデオ同期再生装置
EP1104196A3 (de) * 1999-11-09 2004-06-16 Denon, Ltd. Einrichtung zur Datenkomprimierung und -speicherung
JP2002359842A (ja) * 2001-05-31 2002-12-13 Monolith Co Ltd 画像符号化方法と装置および画像復号方法と装置
US7136417B2 (en) * 2002-07-15 2006-11-14 Scientific-Atlanta, Inc. Chroma conversion optimization
US7096187B1 (en) * 2002-07-23 2006-08-22 Harris Scott C Compressed audio information
EP2037686A3 (de) * 2004-07-23 2010-09-22 I-CES (Innovative Compression Engineering Solutions) Kompressionsverfahren einer digitalen Audio-, Bild- oder Videodatei durch Entsynchronisierung
BRPI0915061A2 (pt) * 2008-06-12 2015-10-27 Thomson Licensing métodos e aparelho para codificação e decodificação de vídeo com modo de atualização de profundidade de bit reduzido e modo de atualização de amostragem de croma reduzido
US9998750B2 (en) 2013-03-15 2018-06-12 Cisco Technology, Inc. Systems and methods for guided conversion of video from a first to a second compression format
JP6142833B2 (ja) * 2014-03-31 2017-06-07 ブラザー工業株式会社 電子機器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61274480A (ja) * 1985-05-29 1986-12-04 Matsushita Electric Works Ltd 画像伝送方式
US4679077A (en) * 1984-11-10 1987-07-07 Matsushita Electric Works, Ltd. Visual Image sensor system
JPS63117290A (ja) * 1986-11-04 1988-05-21 Yamaha Corp 時報信号検出回路
US4907087A (en) * 1987-06-10 1990-03-06 Massachusetts Institute Of Technology Transmission of signals through analog channels using adaptive frequency modulation
US5113242A (en) * 1987-07-24 1992-05-12 North American Philips Corporation Two-line MAC high definition television system
US5012352A (en) * 1987-08-10 1991-04-30 Canon Kabushiki Kaisha Digital signal recording apparatus time-division multiplexing video and audio signals
US5101274A (en) * 1987-08-10 1992-03-31 Canon Kabushiki Kaisha Digital signal recording apparatus time-division multiplexing video and audio signals
US5122873A (en) * 1987-10-05 1992-06-16 Intel Corporation Method and apparatus for selectively encoding and decoding a digital motion video signal at multiple resolution levels
US5136391A (en) * 1988-11-02 1992-08-04 Sanyo Electric Co., Ltd. Digital video tape recorder capable of accurate image reproduction during high speed tape motion
JP2926780B2 (ja) * 1989-09-25 1999-07-28 キヤノン株式会社 映像再生装置
JP2921879B2 (ja) * 1989-09-29 1999-07-19 株式会社東芝 画像データ処理装置
US5247397A (en) * 1990-10-26 1993-09-21 Sony Corporation Method for magnetically recording digital video signals with specified ranges of the easy axis and the bias magnetic field
US5347406A (en) * 1990-10-31 1994-09-13 Sony Corporation Digital video recording apparatus for recording digital video signals of reduced bit rate on magnetic tape having particular thickness, energy product and surface roughness
JP3104250B2 (ja) * 1990-10-31 2000-10-30 ソニー株式会社 ディジタル画像信号の磁気記録方法
WO1993015453A1 (en) * 1992-01-23 1993-08-05 Supermac Technology Personal computer apparatus for digital video and audio manipulation

Also Published As

Publication number Publication date
EP0639033A2 (de) 1995-02-15
EP0639033B1 (de) 1999-06-09
EP0639033A3 (de) 1995-07-19
US5565996A (en) 1996-10-15
DE69418942D1 (de) 1999-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CRESCENT MONN, LLC, SAN DIEGO, CALIF., US