DE69325312D1 - Kompressionskodierung und -dekodierung digitaler Audiosignale - Google Patents

Kompressionskodierung und -dekodierung digitaler Audiosignale

Info

Publication number
DE69325312D1
DE69325312D1 DE69325312T DE69325312T DE69325312D1 DE 69325312 D1 DE69325312 D1 DE 69325312D1 DE 69325312 T DE69325312 T DE 69325312T DE 69325312 T DE69325312 T DE 69325312T DE 69325312 D1 DE69325312 D1 DE 69325312D1
Authority
DE
Germany
Prior art keywords
decoding
audio signals
digital audio
compression encoding
encoding
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 - Fee Related
Application number
DE69325312T
Other languages
English (en)
Other versions
DE69325312T2 (de
Inventor
Kenzo Akagiri
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69325312D1 publication Critical patent/DE69325312D1/de
Application granted granted Critical
Publication of DE69325312T2 publication Critical patent/DE69325312T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69325312T 1992-05-07 1993-04-28 Kompressionskodierung und -dekodierung digitaler Audiosignale Expired - Fee Related DE69325312T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14110392A JP3278900B2 (ja) 1992-05-07 1992-05-07 データ符号化装置及び方法

Publications (2)

Publication Number Publication Date
DE69325312D1 true DE69325312D1 (de) 1999-07-22
DE69325312T2 DE69325312T2 (de) 1999-12-16

Family

ID=15284258

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325312T Expired - Fee Related DE69325312T2 (de) 1992-05-07 1993-04-28 Kompressionskodierung und -dekodierung digitaler Audiosignale

Country Status (5)

Country Link
US (1) US5553193A (de)
EP (1) EP0570131B1 (de)
JP (1) JP3278900B2 (de)
KR (1) KR100397690B1 (de)
DE (1) DE69325312T2 (de)

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JP3125543B2 (ja) * 1993-11-29 2001-01-22 ソニー株式会社 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
JP3186413B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 データ圧縮符号化方法、データ圧縮符号化装置及びデータ記録媒体
JPH0836399A (ja) * 1994-07-21 1996-02-06 Sony Corp オーディオ符号化データの処理装置
JPH08190764A (ja) * 1995-01-05 1996-07-23 Sony Corp ディジタル信号処理方法、ディジタル信号処理装置及び記録媒体
EP0749647B1 (de) * 1995-01-09 2003-02-12 Koninklijke Philips Electronics N.V. Verfahren und gerät zur bestimmung einer maskierten schwellwertspannung
US5684921A (en) * 1995-07-13 1997-11-04 U S West Technologies, Inc. Method and system for identifying a corrupted speech message signal
JP3082625B2 (ja) * 1995-07-15 2000-08-28 日本電気株式会社 音声信号処理回路
US5692102A (en) * 1995-10-26 1997-11-25 Motorola, Inc. Method device and system for an efficient noise injection process for low bitrate audio compression
JP3680380B2 (ja) * 1995-10-26 2005-08-10 ソニー株式会社 音声符号化方法及び装置
EP0880235A1 (de) 1996-02-08 1998-11-25 Matsushita Electric Industrial Co., Ltd. Breitbandaudiosignalkodierer, breitbandaudiosignaldekodierer, breitbandaudiosignalkodierer/-dekodierer, sowie breitbandaudiosignalaufnahmemedium
JPH1083623A (ja) * 1996-09-10 1998-03-31 Sony Corp 信号記録方法、信号記録装置、記録媒体および信号処理方法
JP3328532B2 (ja) * 1997-01-22 2002-09-24 シャープ株式会社 デジタルデータの符号化方法
US6466912B1 (en) * 1997-09-25 2002-10-15 At&T Corp. Perceptual coding of audio signals employing envelope uncertainty
US6091773A (en) * 1997-11-12 2000-07-18 Sydorenko; Mark R. Data compression method and apparatus
US6353584B1 (en) * 1998-05-14 2002-03-05 Sony Corporation Reproducing and recording apparatus, decoding apparatus, recording apparatus, reproducing and recording method, decoding method and recording method
US6353807B1 (en) * 1998-05-15 2002-03-05 Sony Corporation Information coding method and apparatus, code transform method and apparatus, code transform control method and apparatus, information recording method and apparatus, and program providing medium
JP2000165251A (ja) * 1998-11-27 2000-06-16 Matsushita Electric Ind Co Ltd オーディオ信号符号化装置及びそれを実現したマイクロホン
JP2001134295A (ja) * 1999-08-23 2001-05-18 Sony Corp 符号化装置および符号化方法、記録装置および記録方法、送信装置および送信方法、復号化装置および符号化方法、再生装置および再生方法、並びに記録媒体
DE19947877C2 (de) * 1999-10-05 2001-09-13 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals
JP4055336B2 (ja) * 2000-07-05 2008-03-05 日本電気株式会社 音声符号化装置及びそれに用いる音声符号化方法
US8082156B2 (en) 2005-01-11 2011-12-20 Nec Corporation Audio encoding device, audio encoding method, and audio encoding program for encoding a wide-band audio signal
US20070270987A1 (en) * 2006-05-18 2007-11-22 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
JP5159279B2 (ja) * 2007-12-03 2013-03-06 株式会社東芝 音声処理装置及びそれを用いた音声合成装置。
US9025780B2 (en) * 2009-08-14 2015-05-05 Koninklijke Kpn N.V. Method and system for determining a perceived quality of an audio system
US8768713B2 (en) * 2010-03-15 2014-07-01 The Nielsen Company (Us), Llc Set-top-box with integrated encoder/decoder for audience measurement
GB201004667D0 (en) 2010-03-22 2010-05-05 Optimized Systems And Solution Method and apparatus for compression and de-compression of spectral data
CN103177727B (zh) * 2011-12-23 2015-05-06 重庆重邮信科通信技术有限公司 一种音频频带处理方法及***
CN111312278B (zh) * 2014-03-03 2023-08-15 三星电子株式会社 用于带宽扩展的高频解码的方法及设备
SG10201808274UA (en) 2014-03-24 2018-10-30 Samsung Electronics Co Ltd High-band encoding method and device, and high-band decoding method and device
US10185718B1 (en) 2017-08-23 2019-01-22 The Nielsen Company (Us), Llc Index compression and decompression

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Publication number Priority date Publication date Assignee Title
US4485337A (en) * 1983-05-09 1984-11-27 Control Data Corporation Servo data driven motor speed control
US4669120A (en) * 1983-07-08 1987-05-26 Nec Corporation Low bit-rate speech coding with decision of a location of each exciting pulse of a train concurrently with optimum amplitudes of pulses
JPS62259263A (ja) * 1986-05-06 1987-11-11 Pioneer Electronic Corp スピンドルサ−ボ引込み方法及びその装置
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
JPH06101197B2 (ja) * 1988-10-12 1994-12-12 パイオニア株式会社 Ｃｌｖディスク駆動用スピンドルサーボループのループゲイン制御方法
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
JP2542097B2 (ja) * 1990-01-16 1996-10-09 パイオニア株式会社 クロック生成用ｐｌｌ回路を含む読取線速度可変型ディスク記録情報再生装置
JPH0472909A (ja) * 1990-07-13 1992-03-06 Sony Corp オーディオ信号の量子化誤差低減装置
KR100312664B1 (ko) * 1991-03-29 2002-12-26 소니 가부시끼 가이샤 디지탈신호부호화방법
ES2164640T3 (es) * 1991-08-02 2002-03-01 Sony Corp Codificador digital con asignacion dinamica de bits de cuantificacion.
JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法

Also Published As

Publication number Publication date
US5553193A (en) 1996-09-03
JP3278900B2 (ja) 2002-04-30
KR930024306A (ko) 1993-12-22
EP0570131A1 (de) 1993-11-18
KR100397690B1 (ko) 2003-11-17
DE69325312T2 (de) 1999-12-16
JPH05313694A (ja) 1993-11-26
EP0570131B1 (de) 1999-06-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee