WO2008108076A1 - 符号化装置および符号化方法 - Google Patents

符号化装置および符号化方法 Download PDF

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Publication number
WO2008108076A1
WO2008108076A1 PCT/JP2008/000397 JP2008000397W WO2008108076A1 WO 2008108076 A1 WO2008108076 A1 WO 2008108076A1 JP 2008000397 W JP2008000397 W JP 2008000397W WO 2008108076 A1 WO2008108076 A1 WO 2008108076A1
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WO
WIPO (PCT)
Prior art keywords
pulse
search
gain
quantization unit
shape
Prior art date
Application number
PCT/JP2008/000397
Other languages
English (en)
French (fr)
Inventor
Toshiyuki Morii
Masahiro Oshikiri
Tomofumi Yamanashi
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to BRPI0808198A priority Critical patent/BRPI0808198A8/pt
Priority to MX2009009229A priority patent/MX2009009229A/es
Priority to JP2009502454A priority patent/JP5190445B2/ja
Priority to KR1020097016990A priority patent/KR101414359B1/ko
Priority to CN2008800064186A priority patent/CN101622663B/zh
Priority to EP08720311.3A priority patent/EP2128858B1/en
Priority to DK08720311.3T priority patent/DK2128858T3/da
Priority to ES08720311T priority patent/ES2404408T3/es
Priority to US12/529,219 priority patent/US8719011B2/en
Publication of WO2008108076A1 publication Critical patent/WO2008108076A1/ja

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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
    • G10L19/04—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 predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

　情報ビットが少ない場合であっても聴感的に良好な音質を得る符号化装置。この符号化装置では、シェイプ量子化部（１１１）は、所定の探索区間を複数に区切ったバンド毎にパルスを探索して符号化する区間探索部（１２１）と、この探索区間全体に渡ってパルスの探索を行う全体探索部（１２２）と、を備え、入力スペクトルのシェイプを少数のパルスの位置、極性で量子化する。ゲイン量子化部（１１２）は、シェイプ量子化部（１１１）によって探索されたパルスのゲインをバンド毎に算出して量子化する。
PCT/JP2008/000397 2007-03-02 2008-02-29 符号化装置および符号化方法 WO2008108076A1 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BRPI0808198A BRPI0808198A8 (pt) 2007-03-02 2008-02-29 Dispositivo de codificação e método de codificação
MX2009009229A MX2009009229A (es) 2007-03-02 2008-02-29 Dispositivo de codificacion y metodo de codificacion.
JP2009502454A JP5190445B2 (ja) 2007-03-02 2008-02-29 符号化装置および符号化方法
KR1020097016990A KR101414359B1 (ko) 2007-03-02 2008-02-29 부호화 장치 및 부호화 방법
CN2008800064186A CN101622663B (zh) 2007-03-02 2008-02-29 编码装置以及编码方法
EP08720311.3A EP2128858B1 (en) 2007-03-02 2008-02-29 Encoding device and encoding method
DK08720311.3T DK2128858T3 (da) 2007-03-02 2008-02-29 Kodningsindretning og kodningsfremgangsmåde
ES08720311T ES2404408T3 (es) 2007-03-02 2008-02-29 Dispositivo de codificación y método de codificación
US12/529,219 US8719011B2 (en) 2007-03-02 2008-02-29 Encoding device and encoding method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-053497 2007-03-02
JP2007053497 2007-03-02

Publications (1)

Publication Number Publication Date
WO2008108076A1 true WO2008108076A1 (ja) 2008-09-12

Family

ID=39737974

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000397 WO2008108076A1 (ja) 2007-03-02 2008-02-29 符号化装置および符号化方法

Country Status (11)

Country Link
US (1) US8719011B2 (ja)
EP (1) EP2128858B1 (ja)
JP (1) JP5190445B2 (ja)
KR (1) KR101414359B1 (ja)
CN (1) CN101622663B (ja)
BR (1) BRPI0808198A8 (ja)
DK (1) DK2128858T3 (ja)
ES (1) ES2404408T3 (ja)
MX (1) MX2009009229A (ja)
RU (1) RU2463674C2 (ja)
WO (1) WO2008108076A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012518194A (ja) * 2009-02-16 2012-08-09 エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュート 適応的正弦波コーディングを用いるオーディオ信号の符号化及び復号化方法及び装置
US9076442B2 (en) 2009-12-10 2015-07-07 Lg Electronics Inc. Method and apparatus for encoding a speech signal

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009125588A1 (ja) * 2008-04-09 2009-10-15 パナソニック株式会社 符号化装置および符号化方法
WO2010137300A1 (ja) 2009-05-26 2010-12-02 パナソニック株式会社 復号装置及び復号方法
CA3160488C (en) 2010-07-02 2023-09-05 Dolby International Ab Audio decoding with selective post filtering
CN104347079B (zh) * 2010-08-24 2017-11-28 Lg电子株式会社 处理音频信号的方法和设备
WO2013051210A1 (ja) * 2011-10-07 2013-04-11 パナソニック株式会社 符号化装置及び符号化方法
US9336788B2 (en) * 2014-08-15 2016-05-10 Google Technology Holdings LLC Method for coding pulse vectors using statistical properties
EP3332557B1 (en) 2015-08-07 2019-06-19 Dolby Laboratories Licensing Corporation Processing object-based audio signals
JP7016660B2 (ja) * 2017-10-05 2022-02-07 キヤノン株式会社 符号化装置、その制御方法、および制御プログラム、並びに撮像装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11237899A (ja) * 1998-02-19 1999-08-31 Matsushita Electric Ind Co Ltd 音源信号符号化装置及びその方法、並びに音源信号復号化装置及びその方法
JPH11249698A (ja) * 1998-02-27 1999-09-17 Nec Corp 音声音楽信号の符号化装置および復号装置
JP2007053497A (ja) 2005-08-16 2007-03-01 Canon Inc 映像表示装置及び映像表示方法
JP2008083295A (ja) * 2006-09-27 2008-04-10 Fujitsu Ltd オーディオ符号化装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701392A (en) * 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
JP3264679B2 (ja) 1991-08-30 2002-03-11 沖電気工業株式会社 コード励振線形予測符号化装置及び復号化装置
JP3343965B2 (ja) * 1992-10-31 2002-11-11 ソニー株式会社 音声符号化方法及び復号化方法
JP3186007B2 (ja) 1994-03-17 2001-07-11 日本電信電話株式会社 変換符号化方法、復号化方法
CA2154911C (en) * 1994-08-02 2001-01-02 Kazunori Ozawa Speech coding device
JP3747492B2 (ja) * 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
TW321810B (ja) * 1995-10-26 1997-12-01 Sony Co Ltd
CA2283187A1 (en) * 1997-03-12 1998-09-17 Mitsubishi Denki Kabushiki Kaisha A method and apparatus for speech encoding, speech decoding, and speech coding/decoding
JP3147807B2 (ja) 1997-03-21 2001-03-19 日本電気株式会社 信号符号化装置
JP3063668B2 (ja) 1997-04-04 2000-07-12 日本電気株式会社 音声符号化装置及び復号装置
US6208962B1 (en) * 1997-04-09 2001-03-27 Nec Corporation Signal coding system
JP3185748B2 (ja) 1997-04-09 2001-07-11 日本電気株式会社 信号符号化装置
US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
US20020016161A1 (en) * 2000-02-10 2002-02-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for compression of speech encoded parameters
WO2002029782A1 (en) * 2000-10-02 2002-04-11 The Regents Of The University Of California Perceptual harmonic cepstral coefficients as the front-end for speech recognition
JP3582589B2 (ja) * 2001-03-07 2004-10-27 日本電気株式会社 音声符号化装置及び音声復号化装置
CN100346392C (zh) * 2002-04-26 2007-10-31 松下电器产业株式会社 编码设备、解码设备、编码方法和解码方法
JP4516527B2 (ja) * 2003-11-12 2010-08-04 本田技研工業株式会社 音声認識装置
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
WO2006000956A1 (en) * 2004-06-22 2006-01-05 Koninklijke Philips Electronics N.V. Audio encoding and decoding
BRPI0607303A2 (pt) 2005-01-26 2009-08-25 Matsushita Electric Ind Co Ltd dispositivo de codificação de voz e método de codificar voz
EP1876585B1 (en) 2005-04-28 2010-06-16 Panasonic Corporation Audio encoding device and audio encoding method
DE602006011600D1 (de) * 2005-04-28 2010-02-25 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
ATE490454T1 (de) * 2005-07-22 2010-12-15 France Telecom Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate
US8112286B2 (en) 2005-10-31 2012-02-07 Panasonic Corporation Stereo encoding device, and stereo signal predicting method
WO2007119368A1 (ja) * 2006-03-17 2007-10-25 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
JP5113799B2 (ja) 2009-04-22 2013-01-09 株式会社ニフコ 回転ダンパー

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11237899A (ja) * 1998-02-19 1999-08-31 Matsushita Electric Ind Co Ltd 音源信号符号化装置及びその方法、並びに音源信号復号化装置及びその方法
JPH11249698A (ja) * 1998-02-27 1999-09-17 Nec Corp 音声音楽信号の符号化装置および復号装置
JP2007053497A (ja) 2005-08-16 2007-03-01 Canon Inc 映像表示装置及び映像表示方法
JP2008083295A (ja) * 2006-09-27 2008-04-10 Fujitsu Ltd オーディオ符号化装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MORIYA; HONDA: "Transform Coding of Speech Using a Weighted Vector Quantizer", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, vol. 6, no. 2, February 1988 (1988-02-01)
See also references of EP2128858A4

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012518194A (ja) * 2009-02-16 2012-08-09 エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュート 適応的正弦波コーディングを用いるオーディオ信号の符号化及び復号化方法及び装置
US8805694B2 (en) 2009-02-16 2014-08-12 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding
JP2014170232A (ja) * 2009-02-16 2014-09-18 Electronics & Telecommunications Research Inst 適応的正弦波パルスコーディングを用いるオーディオ信号の符号化及び復号化方法及び装置
US9251799B2 (en) 2009-02-16 2016-02-02 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding
US9076442B2 (en) 2009-12-10 2015-07-07 Lg Electronics Inc. Method and apparatus for encoding a speech signal

Also Published As

Publication number Publication date
CN101622663A (zh) 2010-01-06
BRPI0808198A2 (pt) 2014-07-08
JPWO2008108076A1 (ja) 2010-06-10
RU2463674C2 (ru) 2012-10-10
DK2128858T3 (da) 2013-07-01
MX2009009229A (es) 2009-09-08
BRPI0808198A8 (pt) 2017-09-12
JP5190445B2 (ja) 2013-04-24
KR101414359B1 (ko) 2014-07-22
EP2128858A4 (en) 2012-03-14
ES2404408T3 (es) 2013-05-27
EP2128858A1 (en) 2009-12-02
US20100057446A1 (en) 2010-03-04
CN101622663B (zh) 2012-06-20
KR20090117877A (ko) 2009-11-13
EP2128858B1 (en) 2013-04-10
RU2009132936A (ru) 2011-03-10
US8719011B2 (en) 2014-05-06

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