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ATE170682T1 - Formatierung eines kodierten signals für kodierer und dekodierer eines audiosystems hoher qualität - Google Patents

Formatierung eines kodierten signals für kodierer und dekodierer eines audiosystems hoher qualität

Info

Publication number
ATE170682T1
ATE170682T1 AT94107838T AT94107838T ATE170682T1 AT E170682 T1 ATE170682 T1 AT E170682T1 AT 94107838 T AT94107838 T AT 94107838T AT 94107838 T AT94107838 T AT 94107838T AT E170682 T1 ATE170682 T1 AT E170682T1
Authority
AT
Austria
Prior art keywords
length values
fixed
encoded signal
variable
bits
Prior art date
Application number
AT94107838T
Other languages
English (en)
Inventor
Louis Dunn Fielder
Mark Franklin Davis
Original Assignee
Dolby Lab Licensing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27404960&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE170682(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/458,894 external-priority patent/US5109417A/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE170682T1 publication Critical patent/ATE170682T1/de

Links

Classifications

    • 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
    • G11B20/10—Digital recording or reproducing
    • 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
    • G10L19/0212—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 orthogonal transformation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT94107838T 1989-01-27 1990-01-29 Formatierung eines kodierten signals für kodierer und dekodierer eines audiosystems hoher qualität ATE170682T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30371489A 1989-01-27 1989-01-27
US43986889A 1989-11-20 1989-11-20
US07/458,894 US5109417A (en) 1989-01-27 1989-12-29 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio

Publications (1)

Publication Number Publication Date
ATE170682T1 true ATE170682T1 (de) 1998-09-15

Family

ID=27404960

Family Applications (2)

Application Number Title Priority Date Filing Date
AT90903695T ATE116495T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und - codierer/decodierer mit kurzer zeitverzögerung für audio-anwendungen hoher qualität.
AT94107838T ATE170682T1 (de) 1989-01-27 1990-01-29 Formatierung eines kodierten signals für kodierer und dekodierer eines audiosystems hoher qualität

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT90903695T ATE116495T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und - codierer/decodierer mit kurzer zeitverzögerung für audio-anwendungen hoher qualität.

Country Status (12)

Country Link
EP (2) EP0610975B1 (de)
JP (2) JP2811369B2 (de)
KR (4) KR100220862B1 (de)
AT (2) ATE116495T1 (de)
AU (1) AU643677B2 (de)
BR (1) BR9007062A (de)
CA (5) CA2026207C (de)
DE (2) DE69015613T2 (de)
DK (2) DK0447495T3 (de)
ES (2) ES2119932T3 (de)
SG (1) SG82549A1 (de)
WO (1) WO1990009064A1 (de)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
ZA921988B (en) * 1991-03-29 1993-02-24 Sony Corp High efficiency digital data encoding and decoding apparatus
KR100268623B1 (ko) * 1991-06-28 2000-10-16 이데이 노부유끼 압축 데이타 기록 재생 장치 및 신호 처리 방법
DE4212339A1 (de) * 1991-08-12 1993-02-18 Standard Elektrik Lorenz Ag Codierverfahren fuer audiosignale mit 32 kbit/s
EP0786874B1 (de) * 1991-09-30 2000-08-16 Sony Corporation Verfahren und Einrichtung zur Audiodatenkompression
US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
US5274708A (en) * 1992-06-01 1993-12-28 Fusan Labs, Inc. Digital stereo sound enhancement unit and method
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
US5291557A (en) * 1992-10-13 1994-03-01 Dolby Laboratories Licensing Corporation Adaptive rematrixing of matrixed audio signals
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel
JP3186292B2 (ja) * 1993-02-02 2001-07-11 ソニー株式会社 高能率符号化方法及び装置
JP3186307B2 (ja) * 1993-03-09 2001-07-11 ソニー株式会社 圧縮データ記録装置及び方法
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
DE4316297C1 (de) * 1993-05-14 1994-04-07 Fraunhofer Ges Forschung Frequenzanalyseverfahren
US5581654A (en) * 1993-05-25 1996-12-03 Sony Corporation Method and apparatus for information encoding and decoding
US5632003A (en) * 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
JP3318931B2 (ja) * 1993-11-04 2002-08-26 ソニー株式会社 信号符号化装置、信号復号化装置及び信号符号化方法
JP3131542B2 (ja) * 1993-11-25 2001-02-05 シャープ株式会社 符号化復号化装置
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
JP3277705B2 (ja) 1994-07-27 2002-04-22 ソニー株式会社 情報符号化装置及び方法、並びに情報復号化装置及び方法
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
JP3557674B2 (ja) * 1994-12-15 2004-08-25 ソニー株式会社 高能率符号化方法及び装置
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
WO1997025794A2 (en) * 1996-01-12 1997-07-17 Philips Electronics N.V. Transmitter for and method of transmitting a wideband digital information signal, and receiver
ES2176722T3 (es) * 1996-03-19 2002-12-01 Dolby Lab Licensing Corp Sistema de filtrado de analisis/sintesis con bancos de filtros eficaces de banda lateral unica con apilamiento no uniforme, que utiliza cancelacion de solapamiento de espectro en el dominio del tiempo.
KR100223169B1 (ko) * 1996-06-14 1999-10-15 윤종용 펄스부호변조된 디지털 오디오신호의 기록 및 재생을 위한 시스템
US5892746A (en) * 1996-06-15 1999-04-06 Samsung Electronics Co., Ltd. System for recording and/or reproducing a pulse code modulation digital audio signal
US6931291B1 (en) * 1997-05-08 2005-08-16 Stmicroelectronics Asia Pacific Pte Ltd. Method and apparatus for frequency-domain downmixing with block-switch forcing for audio decoding functions
US5913191A (en) * 1997-10-17 1999-06-15 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
US6185253B1 (en) * 1997-10-31 2001-02-06 Lucent Technology, Inc. Perceptual compression and robust bit-rate control system
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US6604071B1 (en) * 1999-02-09 2003-08-05 At&T Corp. Speech enhancement with gain limitations based on speech activity
FR2799321B1 (fr) * 1999-10-01 2002-01-04 France Telecom Procede de controle en continu de la qualite des sons numeriques en distribution
JP2001356799A (ja) * 2000-06-12 2001-12-26 Toshiba Corp タイム／ピッチ変換装置及びタイム／ピッチ変換方法
US7123655B2 (en) 2001-08-09 2006-10-17 Sharp Laboratories Of America, Inc. Method for reduced bit-depth quantization
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
JP4676140B2 (ja) 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
KR101037931B1 (ko) 2004-05-13 2011-05-30 삼성전자주식회사 2차원 데이터 처리를 이용한 음성 신호 압축 및 복원장치와 그 방법
JP5118022B2 (ja) 2005-05-26 2013-01-16 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化／復号化方法及び符号化／復号化装置
CA2613731C (en) 2005-06-30 2012-09-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP2009500656A (ja) 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
EP1913578B1 (de) 2005-06-30 2012-08-01 LG Electronics Inc. Verfahren und vorrichtung zum decodieren eines audiosignals
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
KR101169280B1 (ko) 2005-08-30 2012-08-02 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
WO2007055462A1 (en) 2005-08-30 2007-05-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
WO2007040358A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
CN101283252B (zh) * 2005-10-05 2013-03-27 Lg电子株式会社 信号处理的方法和装置以及编码和解码方法及其装置
KR100878828B1 (ko) * 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
EP1946556A4 (de) * 2005-10-13 2009-12-30 Lg Electronics Inc Methode und vorrichtung zur signalverarbeitung
WO2007043844A1 (en) 2005-10-13 2007-04-19 Lg Electronics Inc. Method and apparatus for processing a signal
KR20070041398A (ko) * 2005-10-13 2007-04-18 엘지전자 주식회사 신호 처리 방법 및 신호 처리 장치
US8199827B2 (en) 2005-10-13 2012-06-12 Lg Electronics Inc. Method of processing a signal and apparatus for processing a signal
US7653533B2 (en) 2005-10-24 2010-01-26 Lg Electronics Inc. Removing time delays in signal paths
US8620644B2 (en) * 2005-10-26 2013-12-31 Qualcomm Incorporated Encoder-assisted frame loss concealment techniques for audio coding
US7752053B2 (en) 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
US8606023B2 (en) * 2006-06-26 2013-12-10 Qualcomm Incorporated Reduction of errors during computation of inverse discrete cosine transform
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
WO2016091893A1 (en) * 2014-12-09 2016-06-16 Dolby International Ab Mdct-domain error concealment
CN110657864B (zh) * 2019-10-08 2020-12-18 三门核电有限公司 一种传感器响应时间测量方法
CN114416015A (zh) * 2022-01-07 2022-04-29 北京小米移动软件有限公司 音频调节方法、装置、电子设备及可读存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8326719D0 (en) * 1983-10-06 1983-11-09 British Telecomm Digital coding
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
JPS6253026A (ja) * 1985-09-02 1987-03-07 Nec Corp 適応直交変換符号化方式とその装置
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
JPS63193268A (ja) * 1987-02-05 1988-08-10 Mitsubishi Electric Corp 方程式の求解装置
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.

Also Published As

Publication number Publication date
WO1990009064A1 (en) 1990-08-09
EP0447495B1 (de) 1994-12-28
KR19990037843A (ko) 1999-05-25
KR100220861B1 (ko) 1999-09-15
CA2332407A1 (en) 1990-07-28
CA2140678A1 (en) 1990-07-28
JP3093179B2 (ja) 2000-10-03
ES2119932T3 (es) 1998-10-16
AU643677B2 (en) 1993-11-25
JP2811369B2 (ja) 1998-10-15
KR100220862B1 (ko) 1999-09-15
EP0610975A2 (de) 1994-08-17
JPH1188185A (ja) 1999-03-30
KR920702100A (ko) 1992-08-12
KR910700526A (ko) 1991-03-15
DK0447495T3 (da) 1995-04-24
AU5156390A (en) 1990-08-24
CA2026213C (en) 1995-04-04
BR9007062A (pt) 1991-10-08
SG82549A1 (en) 2001-08-21
DE69015613D1 (de) 1995-02-09
DE69032624T2 (de) 1999-03-25
CA2332407C (en) 2002-03-05
KR100214253B1 (ko) 2000-03-15
EP0610975A3 (de) 1994-12-14
CA2026213A1 (en) 1991-05-21
CA2026207A1 (en) 1990-07-28
DE69032624D1 (de) 1998-10-08
CA2140678C (en) 2001-05-01
ATE116495T1 (de) 1995-01-15
JPH04503136A (ja) 1992-06-04
EP0610975B1 (de) 1998-09-02
EP0447495A1 (de) 1991-09-25
CA2340610C (en) 2002-03-05
DK0610975T3 (da) 1999-05-31
ES2065524T3 (es) 1995-02-16
KR100214252B1 (ko) 2000-03-15
CA2026207C (en) 1995-04-11
DE69015613T2 (de) 1995-05-24

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