DE69232251D1 - Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung - Google Patents

Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung

Info

Publication number
DE69232251D1
DE69232251D1 DE69232251T DE69232251T DE69232251D1 DE 69232251 D1 DE69232251 D1 DE 69232251D1 DE 69232251 T DE69232251 T DE 69232251T DE 69232251 T DE69232251 T DE 69232251T DE 69232251 D1 DE69232251 D1 DE 69232251D1
Authority
DE
Germany
Prior art keywords
bits
critical bands
allocated
input signal
digital
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
DE69232251T
Other languages
English (en)
Other versions
DE69232251T2 (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
Priority claimed from JP03216217A external-priority patent/JP3134384B2/ja
Priority claimed from JP03216216A external-priority patent/JP3134383B2/ja
Priority claimed from JP3271774A external-priority patent/JPH05114863A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69232251D1 publication Critical patent/DE69232251D1/de
Application granted granted Critical
Publication of DE69232251T2 publication Critical patent/DE69232251T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
DE69232251T 1991-08-02 1992-07-31 Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung Expired - Lifetime DE69232251T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP03216217A JP3134384B2 (ja) 1991-08-02 1991-08-02 符号化装置及び方法
JP03216216A JP3134383B2 (ja) 1991-08-02 1991-08-02 ディジタルデータの高能率符号化方法及び装置
JP3271774A JPH05114863A (ja) 1991-08-27 1991-08-27 高能率符号化装置及び復号化装置

Publications (2)

Publication Number Publication Date
DE69232251D1 true DE69232251D1 (de) 2002-01-17
DE69232251T2 DE69232251T2 (de) 2002-07-18

Family

ID=27329853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69232251T Expired - Lifetime DE69232251T2 (de) 1991-08-02 1992-07-31 Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung

Country Status (7)

Country Link
US (2) US5664056A (de)
EP (2) EP0525809B1 (de)
AT (1) ATE210347T1 (de)
AU (1) AU665200B2 (de)
CA (1) CA2075156A1 (de)
DE (1) DE69232251T2 (de)
ES (1) ES2164640T3 (de)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257606B (en) * 1991-06-28 1995-01-18 Sony Corp Recording and/or reproducing apparatuses and signal processing methods for compressed data
DE69231369T2 (de) * 1991-09-30 2001-03-29 Sony Corp Verfahren und Einrichtung zur Audiodatenkompression
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
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
JPH05325403A (ja) * 1992-05-22 1993-12-10 Sony Corp スピンドルサーボ回路
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
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
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
TW232116B (en) * 1993-04-14 1994-10-11 Sony Corp Method or device and recording media for signal conversion
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
KR100395190B1 (ko) * 1993-05-31 2003-08-21 소니 가부시끼 가이샤 신호 부호화 또는 복호화 장치, 및 신호 부호화 또는복호화 방법
US5765126A (en) * 1993-06-30 1998-06-09 Sony Corporation Method and apparatus for variable length encoding of separated tone and noise characteristic components of an acoustic signal
WO1995001673A1 (en) * 1993-06-30 1995-01-12 Royal Melbourne Institute Of Technology Filter windows for fourier transform signal compression
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
DE69427222T2 (de) * 1993-10-08 2001-08-30 Sony Corp Digitaler signalprozessor, verfahren zum verarbeiten digitaler signale und medium zum aufnehmen von signalen
US5737720A (en) * 1993-10-26 1998-04-07 Sony Corporation Low bit rate multichannel audio coding methods and apparatus using non-linear adaptive bit allocation
AU689506B2 (en) * 1993-11-04 1998-04-02 Sony Corporation Signal encoder, signal decoder, recording medium and signal encoding method
CN1111959C (zh) * 1993-11-09 2003-06-18 索尼公司 量化装置、量化方法、高效率编码装置、高效率编码方法、解码装置和高效率解码装置
JP3404837B2 (ja) * 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
AU1199195A (en) * 1993-12-07 1995-06-27 Sony Corporation Information processing method, information processing device and media
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
PL311812A1 (en) * 1994-04-01 1996-03-18 Sony Corp Method of and apparatus for encoding information, method of and apparatus fro decoding information, method of transmitting information and information recording medium
TW295747B (de) * 1994-06-13 1997-01-11 Sony Co Ltd
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
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
DE4443575C1 (de) * 1994-12-07 1996-09-26 Deutsche Telekom Mobil Verfahren zur Übertragung von codierten Sprachsignalen in mindestens einem Telekommunikationsnetz
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
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
KR100211830B1 (ko) * 1995-03-16 1999-08-02 윤종용 미니디스크의 적응변환 오디오 코딩회로
DE19509117C2 (de) * 1995-03-17 1997-02-27 Bosch Gmbh Robert Verfahren zur Überwachung der Übertragungsqualität digitalisierter Signale
TW321810B (de) * 1995-10-26 1997-12-01 Sony Co Ltd
JPH09148937A (ja) * 1995-11-21 1997-06-06 Sony Corp 符号化処理方法、復号化処理方法、符号化処理装置および復号化処理装置
US5907623A (en) * 1995-11-22 1999-05-25 Sony Corporation Of Japan Audio noise reduction system implemented through digital signal processing
US5910995A (en) * 1995-11-22 1999-06-08 Sony Corporation Of Japan DSP decoder for decoding analog SR encoded audio signals
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3521596B2 (ja) * 1996-01-30 2004-04-19 ソニー株式会社 信号符号化方法
JPH09281995A (ja) * 1996-04-12 1997-10-31 Nec Corp 信号符号化装置及び方法
JP3318825B2 (ja) * 1996-08-20 2002-08-26 ソニー株式会社 デジタル信号符号化処理方法、デジタル信号符号化処理装置、デジタル信号記録方法、デジタル信号記録装置、記録媒体、デジタル信号伝送方法及びデジタル信号伝送装置
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
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
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
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
CN1144179C (zh) * 1997-07-11 2004-03-31 索尼株式会社 声音信号解码方法和装置、声音信号编码方法和装置
EP0917367B1 (de) * 1997-10-17 2006-06-07 Sony Corporation Datenverteilungssystem, Verteilungseinrichtung, Terminaleinrichtung und Datenverteilungsverfahren
CA2320177A1 (en) 1998-02-13 1999-08-19 Quvis, Inc. Apparatus and method for optimized compression of interlaced motion images
US20020044692A1 (en) * 2000-10-25 2002-04-18 Goertzen Kenbe D. Apparatus and method for optimized compression of interlaced motion images
KR100548891B1 (ko) 1998-06-15 2006-02-02 마츠시타 덴끼 산교 가부시키가이샤 음성 부호화 장치 및 음성 부호화 방법
JP3515903B2 (ja) * 1998-06-16 2004-04-05 松下電器産業株式会社 オーディオ符号化のための動的ビット割り当て方法及び装置
US6240379B1 (en) 1998-12-24 2001-05-29 Sony Corporation System and method for preventing artifacts in an audio data encoder device
US6434519B1 (en) * 1999-07-19 2002-08-13 Qualcomm Incorporated Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder
AU2018201A (en) 1999-10-12 2001-04-23 Perception Digital Technology (Bvi) Limited Digital multimedia jukebox
US20020009000A1 (en) * 2000-01-18 2002-01-24 Qdesign Usa, Inc. Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed
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
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
US7199954B2 (en) * 2003-07-15 2007-04-03 Hitachi Global Storage Technologies Netherlands, B.V. Method, apparatus and program storage device for determining sector block sizes using existing controller signals
US7751804B2 (en) * 2004-07-23 2010-07-06 Wideorbit, Inc. Dynamic creation, selection, and scheduling of radio frequency communications
US8090586B2 (en) 2005-05-26 2012-01-03 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
JP2009500657A (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
US8214221B2 (en) * 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
CA2613731C (en) 2005-06-30 2012-09-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7761303B2 (en) * 2005-08-30 2010-07-20 Lg Electronics Inc. Slot position coding of TTT syntax of spatial audio coding application
JP4568363B2 (ja) * 2005-08-30 2010-10-27 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
WO2007039957A1 (ja) * 2005-10-03 2007-04-12 Sharp Kabushiki Kaisha 表示装置
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
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
KR100878833B1 (ko) * 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
EP1946302A4 (de) * 2005-10-05 2009-08-19 Lg Electronics Inc Verfahren und vorrichtung zur signalverarbeitung und codierungs- und decodierungsverfahren und vorrichtung dafür
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
CN101283254B (zh) * 2005-10-05 2011-07-06 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
US7761289B2 (en) * 2005-10-24 2010-07-20 Lg Electronics Inc. Removing time delays in signal paths
US7752053B2 (en) * 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
JP4413869B2 (ja) * 2006-01-17 2010-02-10 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び送信方法
US20090248407A1 (en) * 2006-03-31 2009-10-01 Panasonic Corporation Sound encoder, sound decoder, and their methods
US7907579B2 (en) * 2006-08-15 2011-03-15 Cisco Technology, Inc. WiFi geolocation from carrier-managed system geolocation of a dual mode device
DE102007028066B3 (de) * 2007-06-19 2009-02-12 Infineon Technologies Ag Verfahren und Vorrichtung zum Erzeugen eines Übertragungssignals
US9212770B2 (en) * 2007-07-18 2015-12-15 RAM Developing, LLC Method and apparatus for attaching flange portions to ducts
US9947340B2 (en) * 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
GB2466201B (en) * 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
GB0822537D0 (en) 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
KR101336891B1 (ko) * 2008-12-19 2013-12-04 한국전자통신연구원 Ｇ.711 코덱의 음질 향상을 위한 부호화 장치 및 복호화 장치
CN101989428B (zh) * 2009-07-31 2012-07-04 华为技术有限公司 比特分配方法、编码方法、解码方法、编码器及解码器
EP2673771B1 (de) * 2011-02-09 2016-06-01 Telefonaktiebolaget LM Ericsson (publ) Effiziente kodierung/dekodierung von audiosignalen
US9564136B2 (en) * 2014-03-06 2017-02-07 Dts, Inc. Post-encoding bitrate reduction of multiple object audio
EP3751567B1 (de) 2019-06-10 2022-01-26 Axis AB Verfahren, computerprogramm, codierer und überwachungsvorrichtung

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
US4535472A (en) * 1982-11-05 1985-08-13 At&T Bell Laboratories Adaptive bit allocator
JPS59223032A (ja) * 1983-06-01 1984-12-14 Sony Corp ディジタル信号伝送装置
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
US5125030A (en) * 1987-04-13 1992-06-23 Kokusai Denshin Denwa Co., Ltd. Speech signal coding/decoding system based on the type of speech signal
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
JP3074680B2 (ja) * 1988-04-13 2000-08-07 ケイディディ株式会社 音声復号器のポスト雑音整形フィルタ
US4964166A (en) * 1988-05-26 1990-10-16 Pacific Communication Science, Inc. Adaptive transform coder having minimal bit allocation processing
US4956871A (en) * 1988-09-30 1990-09-11 At&T Bell Laboratories Improving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bands
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
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
US5142656A (en) * 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5042069A (en) * 1989-04-18 1991-08-20 Pacific Communications Sciences, Inc. Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals
US4932062A (en) * 1989-05-15 1990-06-05 Dialogic Corporation Method and apparatus for frequency analysis of telephone signals
DE69031517T2 (de) * 1989-06-30 1998-02-26 Nec Corp Variable Blocklängenkodierung für unterschiedliche Charakteristiken der Eingangsabtastwerte
JP2844695B2 (ja) * 1989-07-19 1999-01-06 ソニー株式会社 信号符号化装置
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
JPH03117919A (ja) * 1989-09-30 1991-05-20 Sony Corp ディジタル信号符号化装置
JPH03132228A (ja) * 1989-10-18 1991-06-05 Victor Co Of Japan Ltd 直交変換信号符号化復号化方式
JP2861238B2 (ja) * 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
US5049992A (en) * 1990-08-27 1991-09-17 Zenith Electronics Corporation HDTV system with receivers operable at different levels of resolution
US5235671A (en) * 1990-10-15 1993-08-10 Gte Laboratories Incorporated Dynamic bit allocation subband excited transform coding method and apparatus
US5134475A (en) * 1990-12-11 1992-07-28 At&T Bell Laboratories Adaptive leak hdtv encoder
JP3134338B2 (ja) * 1991-03-30 2001-02-13 ソニー株式会社 ディジタル音声信号符号化方法
JP3134337B2 (ja) * 1991-03-30 2001-02-13 ソニー株式会社 ディジタル信号符号化方法

Also Published As

Publication number Publication date
AU665200B2 (en) 1995-12-21
AU2071692A (en) 1993-02-04
DE69232251T2 (de) 2002-07-18
CA2075156A1 (en) 1993-02-03
US5621856A (en) 1997-04-15
US5664056A (en) 1997-09-02
EP0525809B1 (de) 2001-12-05
ES2164640T3 (es) 2002-03-01
ATE210347T1 (de) 2001-12-15
EP0525809A2 (de) 1993-02-03
EP0525809A3 (en) 1993-08-18
EP0805564A2 (de) 1997-11-05
EP0805564A3 (de) 1999-10-13

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