HK220296A - Perceptual coding of audio signals - Google Patents

Perceptual coding of audio signals

Info

Publication number
HK220296A
HK220296A HK220296A HK220296A HK220296A HK 220296 A HK220296 A HK 220296A HK 220296 A HK220296 A HK 220296A HK 220296 A HK220296 A HK 220296A HK 220296 A HK220296 A HK 220296A
Authority
HK
Hong Kong
Prior art keywords
audio signals
perceptual coding
perceptual
coding
audio
Prior art date
Application number
HK220296A
Other languages
English (en)
Inventor
Karlheinz Brandenburg
James David Johnston
Original Assignee
At & T 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 At & T Corp filed Critical At & T Corp
Publication of HK220296A publication Critical patent/HK220296A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • H04B1/665Details 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
HK220296A 1989-10-18 1996-12-24 Perceptual coding of audio signals HK220296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/423,088 US5040217A (en) 1989-10-18 1989-10-18 Perceptual coding of audio signals

Publications (1)

Publication Number Publication Date
HK220296A true HK220296A (en) 1997-01-03

Family

ID=23677639

Family Applications (1)

Application Number Title Priority Date Filing Date
HK220296A HK220296A (en) 1989-10-18 1996-12-24 Perceptual coding of audio signals

Country Status (7)

Country Link
US (2) US5040217A (de)
EP (1) EP0424016B1 (de)
JP (1) JP2756515B2 (de)
KR (1) KR100209870B1 (de)
CA (1) CA2027136C (de)
DE (1) DE69028675T2 (de)
HK (1) HK220296A (de)

Families Citing this family (149)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341457A (en) * 1988-12-30 1994-08-23 At&T Bell Laboratories Perceptual coding of audio signals
USRE40280E1 (en) 1988-12-30 2008-04-29 Lucent Technologies Inc. Rate loop processor for perceptual encoder/decoder
US5434948A (en) * 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
JP2969862B2 (ja) * 1989-10-04 1999-11-02 松下電器産業株式会社 音声認識装置
JPH03139700A (ja) * 1989-10-25 1991-06-13 Sony Corp オーディオ信号再生装置
US6695477B1 (en) * 1989-10-25 2004-02-24 Sony Corporation Audio signal reproducing apparatus
US5388181A (en) * 1990-05-29 1995-02-07 Anderson; David J. Digital audio compression system
DE4020656A1 (de) * 1990-06-29 1992-01-02 Thomson Brandt Gmbh Verfahren zur uebertragung eines signals
US5317672A (en) * 1991-03-05 1994-05-31 Picturetel Corporation Variable bit rate speech encoder
WO1992015986A1 (en) * 1991-03-05 1992-09-17 Picturetel Corporation Variable bit rate speech encoder
GB2257606B (en) * 1991-06-28 1995-01-18 Sony Corp Recording and/or reproducing apparatuses and signal processing methods for compressed data
GB2258372B (en) * 1991-08-02 1995-05-31 Sony Corp Apparatus for and methods of recording and/or reproducing digital data
DE4212339A1 (de) * 1991-08-12 1993-02-18 Standard Elektrik Lorenz Ag Codierverfahren fuer audiosignale mit 32 kbit/s
EP0535889B1 (de) * 1991-09-30 1998-11-11 Sony Corporation Verfahren und Anordnung zur Audiodatenkompression
JP3310682B2 (ja) * 1992-01-21 2002-08-05 日本ビクター株式会社 音響信号の符号化方法及び再生方法
EP0559348A3 (de) 1992-03-02 1993-11-03 AT&T Corp. Rateurregelschleifenprozessor für einen wahrnehmungsgebundenen Koder/Dekoder
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
JP3446216B2 (ja) * 1992-03-06 2003-09-16 ソニー株式会社 音声信号処理方法
US5495552A (en) * 1992-04-20 1996-02-27 Mitsubishi Denki Kabushiki Kaisha Methods of efficiently recording an audio signal in semiconductor memory
JP3278900B2 (ja) * 1992-05-07 2002-04-30 ソニー株式会社 データ符号化装置及び方法
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
JP3508146B2 (ja) * 1992-09-11 2004-03-22 ソニー株式会社 ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
JP3185413B2 (ja) * 1992-11-25 2001-07-09 ソニー株式会社 直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び/又は復号化装置
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
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
US5579404A (en) * 1993-02-16 1996-11-26 Dolby Laboratories Licensing Corporation Digital audio limiter
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
JP3173218B2 (ja) * 1993-05-10 2001-06-04 ソニー株式会社 圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体
US5581654A (en) * 1993-05-25 1996-12-03 Sony Corporation Method and apparatus for information encoding and decoding
ATE211326T1 (de) * 1993-05-31 2002-01-15 Sony Corp Verfahren und vorrichtung zum kodieren oder dekodieren von signalen und aufzeichnungsmedium
BR9405445A (pt) * 1993-06-30 1999-09-08 Sony Corp Aparelho codificador e decodificador de sinal apropriado para codificar um sinal de entrada e decodificar um sinal codificado, suporte de gravação onde sinais codificados são gravados, e processo de codificação e de decodificação de sinal para codificar um sinal de entrada e decodificar um sinal codificado.
US5664057A (en) * 1993-07-07 1997-09-02 Picturetel Corporation Fixed bit rate speech encoder/decoder
TW272341B (de) * 1993-07-16 1996-03-11 Sony Co Ltd
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
KR100330290B1 (ko) * 1993-11-04 2002-08-27 소니 가부시끼 가이샤 신호부호화장치,신호복호화장치,및신호부호화방법
WO1995013660A1 (fr) * 1993-11-09 1995-05-18 Sony Corporation Appareil de quantification, procede de quantification, codeur a haute efficacite, procede de codage a haute efficacite, decodeur, supports d'enregistrement et de codage a haute efficacite
US5488665A (en) * 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
JPH07261797A (ja) * 1994-03-18 1995-10-13 Mitsubishi Electric Corp 信号符号化装置及び信号復号化装置
JP3277677B2 (ja) * 1994-04-01 2002-04-22 ソニー株式会社 信号符号化方法及び装置、信号記録媒体、信号伝送方法、並びに信号復号化方法及び装置
CA2163371C (en) * 1994-04-01 2005-09-20 Kyoya Tsutsui Information encoding method and apparatus, information decoding method and apparatus, information transmission method, and information recording medium
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
JPH07322252A (ja) * 1994-05-23 1995-12-08 Canon Inc 画像符号化装置
JP3250376B2 (ja) * 1994-06-13 2002-01-28 ソニー株式会社 情報符号化方法及び装置並びに情報復号化方法及び装置
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
US5625743A (en) * 1994-10-07 1997-04-29 Motorola, Inc. Determining a masking level for a subband in a subband audio encoder
US5654952A (en) * 1994-10-28 1997-08-05 Sony Corporation Digital signal encoding method and apparatus and recording medium
ATE211869T1 (de) * 1994-10-28 2002-01-15 Rai Radiotelevisione Italiana Teilbandkodierung mit auf tonhöhen basierter prädiktionskodierung in jedem einzelnen teilband
KR970011727B1 (en) * 1994-11-09 1997-07-14 Daewoo Electronics Co Ltd Apparatus for encoding of the audio signal
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
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
KR970003559Y1 (ko) * 1994-12-30 1997-04-18 기아자동차 주식회사 차량의 열변형 방지가 가능한 인스트루먼트 코어
US5537510A (en) * 1994-12-30 1996-07-16 Daewoo Electronics Co., Ltd. Adaptive digital audio encoding apparatus and a bit allocation method thereof
US5646961A (en) * 1994-12-30 1997-07-08 Lucent Technologies Inc. Method for noise weighting filtering
US5682463A (en) * 1995-02-06 1997-10-28 Lucent Technologies Inc. Perceptual audio compression based on loudness uncertainty
US5699479A (en) * 1995-02-06 1997-12-16 Lucent Technologies Inc. Tonality for perceptual audio compression based on loudness uncertainty
FR2730594B1 (fr) * 1995-02-09 1997-03-21 France Telecom Procede de quantification vectorielle sur reseau contrainte en debit
KR100346734B1 (ko) * 1995-09-22 2002-11-23 삼성전자 주식회사 고속분석필터및합성필터를구비한오디오부호화기및복호화기
JPH1084284A (ja) * 1996-09-06 1998-03-31 Sony Corp 信号再生方法および装置
JP3496411B2 (ja) * 1996-10-30 2004-02-09 ソニー株式会社 情報符号化方法及び復号化装置
US6147010A (en) * 1996-11-14 2000-11-14 Micron Technology, Inc. Solvent prewet and method to dispense the solvent prewet
US6516299B1 (en) 1996-12-20 2003-02-04 Qwest Communication International, Inc. Method, system and product for modifying the dynamic range of encoded audio signals
US5864820A (en) * 1996-12-20 1999-01-26 U S West, Inc. Method, system and product for mixing of encoded audio signals
US6782365B1 (en) 1996-12-20 2004-08-24 Qwest Communications International Inc. Graphic interface system and product for editing encoded audio data
US5845251A (en) * 1996-12-20 1998-12-01 U S West, Inc. Method, system and product for modifying the bandwidth of subband encoded audio data
US6477496B1 (en) 1996-12-20 2002-11-05 Eliot M. Case Signal synthesis by decoding subband scale factors from one audio signal and subband samples from different one
US6463405B1 (en) 1996-12-20 2002-10-08 Eliot M. Case Audiophile encoding of digital audio data using 2-bit polarity/magnitude indicator and 8-bit scale factor for each subband
US5864813A (en) * 1996-12-20 1999-01-26 U S West, Inc. Method, system and product for harmonic enhancement of encoded audio signals
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6111844A (en) * 1997-07-03 2000-08-29 At&T Corp. Quality degradation through compression/decompression
US6266419B1 (en) * 1997-07-03 2001-07-24 At&T Corp. Custom character-coding compression for encoding and watermarking media content
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
DE19730129C2 (de) * 1997-07-14 2002-03-07 Fraunhofer Ges Forschung Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
DE19840853B4 (de) * 1997-10-24 2004-12-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtungen zum Codieren eines Audiosignals
US6091773A (en) * 1997-11-12 2000-07-18 Sydorenko; Mark R. Data compression method and apparatus
US6243424B1 (en) 1998-03-27 2001-06-05 Ibiguity Digital Corporation Method and apparatus for AM digital broadcasting
US20060265091A1 (en) * 1998-08-14 2006-11-23 Bruce Mihura Audio entertainment system for storing and playing audio information
US6704705B1 (en) 1998-09-04 2004-03-09 Nortel Networks Limited Perceptual audio coding
US6122610A (en) * 1998-09-23 2000-09-19 Verance Corporation Noise suppression for low bitrate speech coder
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
US6418404B1 (en) 1998-12-28 2002-07-09 Sony Corporation System and method for effectively implementing fixed masking thresholds in an audio encoder device
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6480820B1 (en) 1999-09-20 2002-11-12 Advanced Cochlear Systems, Inc. Method of processing auditory data
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
US7286670B2 (en) * 1999-11-09 2007-10-23 Chaoticom, Inc. Method and apparatus for chaotic opportunistic lossless compression of data
US7215776B1 (en) 1999-11-09 2007-05-08 University Of New Hampshire Method and apparatus for the compression and decompression of audio files using a chaotic system
US7215772B2 (en) 1999-11-09 2007-05-08 Chaoticom, Inc. Method and apparatus for remote digital key generation
US6549544B1 (en) * 1999-11-10 2003-04-15 Ibiquity Digital Corporation Method and apparatus for transmission and reception of FM in-band on-channel digital audio broadcasting
US6523147B1 (en) 1999-11-11 2003-02-18 Ibiquity Digital Corporation Method and apparatus for forward error correction coding for an AM in-band on-channel digital audio broadcasting system
US6499010B1 (en) 2000-01-04 2002-12-24 Agere Systems Inc. Perceptual audio coder bit allocation scheme providing improved perceptual quality consistency
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
WO2001099315A2 (en) * 2000-06-20 2001-12-27 University Of New Hampshire Method and apparatus for the compression and decompression of audio files using a chaotic system
US7110547B2 (en) * 2000-06-20 2006-09-19 University Of New Hampshire Method and apparatus for the compression and decompression of image files using a chaotic system
US7035873B2 (en) * 2001-08-20 2006-04-25 Microsoft Corporation System and methods for providing adaptive media property classification
US6963975B1 (en) * 2000-08-11 2005-11-08 Microsoft Corporation System and method for audio fingerprinting
US6732180B1 (en) 2000-08-08 2004-05-04 The University Of Tulsa Method to inhibit the identification and retrieval of proprietary media via automated search engines utilized in association with computer compatible communications network
EP1199711A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Kodierung von Audiosignalen unter Verwendung von Vergrösserung der Bandbreite
US7447639B2 (en) 2001-01-24 2008-11-04 Nokia Corporation System and method for error concealment in digital audio transmission
US7069208B2 (en) * 2001-01-24 2006-06-27 Nokia, Corp. System and method for concealment of data loss in digital audio transmission
US6915264B2 (en) 2001-02-22 2005-07-05 Lucent Technologies Inc. Cochlear filter bank structure for determining masked thresholds for use in perceptual audio coding
DE10134471C2 (de) * 2001-02-28 2003-05-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Charakterisieren eines Signals und Verfahren und Vorrichtung zum Erzeugen eines indexierten Signals
US7177803B2 (en) * 2001-10-22 2007-02-13 Motorola, Inc. Method and apparatus for enhancing loudness of an audio signal
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US20100042406A1 (en) * 2002-03-04 2010-02-18 James David Johnston Audio signal processing using improved perceptual model
GB2388502A (en) * 2002-05-10 2003-11-12 Chris Dunn Compression of frequency domain audio signals
US7333930B2 (en) 2003-03-14 2008-02-19 Agere Systems Inc. Tonal analysis for perceptual audio coding using a compressed spectral representation
US20040165734A1 (en) * 2003-03-20 2004-08-26 Bing Li Audio system for a vehicle
US6813661B2 (en) 2003-03-20 2004-11-02 Bing Li Portable audio system
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7447317B2 (en) 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
CA2554757A1 (en) * 2004-01-29 2005-08-11 Chaoticom, Inc. Systems and methods for providing digital content and caller alerts to wireless network-enabled devices
US7539870B2 (en) * 2004-02-10 2009-05-26 Microsoft Corporation Media watermarking by biasing randomized statistics
EP1914722B1 (de) 2004-03-01 2009-04-29 Dolby Laboratories Licensing Corporation Mehrkanalige Audiodekodierung
US7505902B2 (en) * 2004-07-28 2009-03-17 University Of Maryland Discrimination of components of audio signals based on multiscale spectro-temporal modulations
US7676362B2 (en) * 2004-12-31 2010-03-09 Motorola, Inc. Method and apparatus for enhancing loudness of a speech signal
US8280730B2 (en) 2005-05-25 2012-10-02 Motorola Mobility Llc Method and apparatus of increasing speech intelligibility in noisy environments
JP4639966B2 (ja) * 2005-05-31 2011-02-23 ヤマハ株式会社 オーディオデータ圧縮方法およびオーディオデータ圧縮回路並びにオーディオデータ伸張回路
KR100718132B1 (ko) * 2005-06-24 2007-05-14 삼성전자주식회사 오디오 신호의 비트스트림 생성 방법 및 장치, 그를 이용한부호화/복호화 방법 및 장치
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
CN101427307B (zh) * 2005-09-27 2012-03-07 Lg电子株式会社 编码/解码多声道音频信号的方法和装置
EP1943642A4 (de) * 2005-09-27 2009-07-01 Lg Electronics Inc Verfahren und vorrichtung zum codieren/decodieren eines mehrkanaligen audiosignals
ES2296489B1 (es) * 2005-12-02 2009-04-01 Cesar Alonso Abad Metodo escalable de compresion de audio e imagenes.
KR101355376B1 (ko) * 2007-04-30 2014-01-23 삼성전자주식회사 고주파수 영역 부호화 및 복호화 방법 및 장치
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
JP5395066B2 (ja) * 2007-06-22 2014-01-22 ヴォイスエイジ・コーポレーション 音声区間検出および音声信号分類ための方法および装置
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8412340B2 (en) * 2007-07-13 2013-04-02 Advanced Bionics, Llc Tonality-based optimization of sound sensation for a cochlear implant patient
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
KR101454867B1 (ko) 2008-03-24 2014-10-28 삼성전자주식회사 오디오 신호 압축 방법 및 장치
KR101619972B1 (ko) 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법
US8223985B2 (en) * 2009-04-22 2012-07-17 General Electric Company Masking of pure tones within sound from a noise generating source
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
US20110257978A1 (en) * 2009-10-23 2011-10-20 Brainlike, Inc. Time Series Filtering, Data Reduction and Voice Recognition in Communication Device
US8925024B2 (en) 2009-12-31 2014-12-30 The Nielsen Company (Us), Llc Methods and apparatus to detect commercial advertisements associated with media presentations
JP5732994B2 (ja) * 2011-04-19 2015-06-10 ソニー株式会社 楽曲検索装置および方法、プログラム、並びに記録媒体
EP2717263B1 (de) * 2012-10-05 2016-11-02 Nokia Technologies Oy Verfahren, Vorrichtung und Computerprogrammprodukt zur kategorischen räumlichen Analyse-Synthese des Spektrums eines Mehrkanal-Audiosignals
RU2660605C2 (ru) 2013-01-29 2018-07-06 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Концепция заполнения шумом
US9848222B2 (en) 2015-07-15 2017-12-19 The Nielsen Company (Us), Llc Methods and apparatus to detect spillover
US10043527B1 (en) 2015-07-17 2018-08-07 Digimarc Corporation Human auditory system modeling with masking energy adaptation

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28276A (en) * 1860-05-15 Bedstead-fastening
US28488A (en) * 1860-05-29 Eataet-machiite
USRE28276E (en) 1963-06-06 1974-12-17 Milk fermenting product and method of making same
US3420742A (en) * 1964-10-16 1969-01-07 Dairy Technics Inc Milk fermenting product and method of making same
USRE28488E (en) 1973-11-19 1975-07-22 Milk fermenting product
JPS59129900A (ja) * 1983-01-18 1984-07-26 日本電信電話株式会社 帯域分割符号化方式
JPS6027459A (ja) * 1983-07-22 1985-02-12 Sumitomo Metal Ind Ltd 通電ロ−ル及び鋳片の溶損防止装置
JPS60159800A (ja) * 1984-01-30 1985-08-21 日本電気株式会社 適応予測変換符号化方式
CA1229681A (en) * 1984-03-06 1987-11-24 Kazunori Ozawa Method and apparatus for speech-band signal coding
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
JPH0833746B2 (ja) * 1987-02-17 1996-03-29 シャープ株式会社 音声・楽音の帯域分割符号化装置
JPH032559Y2 (de) * 1987-03-11 1991-01-23
JPS63237100A (ja) * 1987-03-26 1988-10-03 沖電気工業株式会社 音声検出器
JPS63281200A (ja) * 1987-05-14 1988-11-17 沖電気工業株式会社 音声区間検出方式
JP2586043B2 (ja) * 1987-05-14 1997-02-26 日本電気株式会社 マルチパルス符号化装置
JPS6446880A (en) * 1987-08-17 1989-02-21 Fuji Xerox Co Ltd Image processor
US5341457A (en) * 1988-12-30 1994-08-23 At&T Bell Laboratories Perceptual coding of audio signals
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model

Also Published As

Publication number Publication date
EP0424016A2 (de) 1991-04-24
EP0424016B1 (de) 1996-09-25
CA2027136A1 (en) 1991-04-19
JPH03144700A (ja) 1991-06-20
DE69028675T2 (de) 1997-02-13
KR100209870B1 (ko) 1999-07-15
USRE36714E (en) 2000-05-23
KR910008975A (ko) 1991-05-31
US5040217A (en) 1991-08-13
CA2027136C (en) 2001-01-16
DE69028675D1 (de) 1996-10-31
EP0424016A3 (en) 1992-09-02
JP2756515B2 (ja) 1998-05-25

Similar Documents

Publication Publication Date Title
HK220296A (en) Perceptual coding of audio signals
DE69432012D1 (de) Wahrnehmungsgebundene Kodierung von Audiosignalen
AU639002B2 (en) Signal encoding apparatus
AU5934294A (en) Video signal coding method
HK1004307A1 (en) Modified statistical coding of digital signals
AU8663891A (en) Signal coding
GB9021019D0 (en) Technique for achieving the full coding gain of encoded digital signals
EP0417910A3 (en) Method of making highly adsorptive polymers
AU578574B2 (en) Extrema coding digitized signal
AU5374190A (en) Speech coding and decoding apparatus
HK136096A (en) Signal coding
HK107997A (en) Perceptual coding of audio signals
EP0527374A3 (en) Audio signal coding method with 32 kbit/s
AU3864185A (en) Pay tv delta encoded sound signal processing apparatus
GB2280827B (en) Compression and reconstruction of speech signal
GB8802149D0 (en) Video signal coding
EP0405824A3 (en) Decoding apparatus for digital signals
GB9023307D0 (en) Multichannel operation of rds
GB2238436B (en) Audio signal expander apparatus
GB2267416B (en) Coding of digital signals
GB2224185B (en) Device for coding and decoding sound broadcast signals
EP0411948A3 (en) Audio signal reproducing apparatus
IL101800A0 (en) Stereo and enantioselective synthesis of tetrahydro-5-substituted-3-methylene-2-furanmethanols
AU6517190A (en) Method and apparatus for encoding and decoding signals
GB8803643D0 (en) Methods of digitally encoding video signals

Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20101009