SMT201400025B - Metodo di codifica di segnali audio, metodo di decodifica di segnali audio, dispositivo di codifica,dispositivo di decodifica, sistema di elaborazion e di segnali audio, programma di codifica di segnali audio, e programma di decodifica di segnasli audio - Google Patents

Metodo di codifica di segnali audio, metodo di decodifica di segnali audio, dispositivo di codifica,dispositivo di decodifica, sistema di elaborazion e di segnali audio, programma di codifica di segnali audio, e programma di decodifica di segnasli audio

Info

Publication number
SMT201400025B
SMT201400025B SM201400025T SM201400025T SMT201400025B SM T201400025 B SMT201400025 B SM T201400025B SM 201400025 T SM201400025 T SM 201400025T SM 201400025 T SM201400025 T SM 201400025T SM T201400025 B SMT201400025 B SM T201400025B
Authority
SM
San Marino
Prior art keywords
audio signal
decoding
coding
program
audio
Prior art date
Application number
SM201400025T
Other languages
English (en)
Italian (it)
Inventor
Kei Kikuiri
Nobuhiko Naka
Kosuke Tsujino
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of SMT201400025B publication Critical patent/SMT201400025B/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/002Dynamic bit allocation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/22Mode decision, i.e. based on audio signal content versus external parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SM201400025T 2009-03-06 2014-02-24 Metodo di codifica di segnali audio, metodo di decodifica di segnali audio, dispositivo di codifica,dispositivo di decodifica, sistema di elaborazion e di segnali audio, programma di codifica di segnali audio, e programma di decodifica di segnasli audio SMT201400025B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009053693A JP4977157B2 (ja) 2009-03-06 2009-03-06 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
PCT/JP2010/053454 WO2010101190A1 (ja) 2009-03-06 2010-03-03 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム

Publications (1)

Publication Number Publication Date
SMT201400025B true SMT201400025B (it) 2014-05-07

Family

ID=42709745

Family Applications (1)

Application Number Title Priority Date Filing Date
SM201400025T SMT201400025B (it) 2009-03-06 2014-02-24 Metodo di codifica di segnali audio, metodo di decodifica di segnali audio, dispositivo di codifica,dispositivo di decodifica, sistema di elaborazion e di segnali audio, programma di codifica di segnali audio, e programma di decodifica di segnasli audio

Country Status (22)

Country Link
US (3) US8751245B2 (OSRAM)
EP (3) EP2511906A1 (OSRAM)
JP (1) JP4977157B2 (OSRAM)
KR (3) KR101175555B1 (OSRAM)
CN (3) CN102737641B (OSRAM)
AU (1) AU2010219643C1 (OSRAM)
BR (3) BR122013014741B1 (OSRAM)
CA (1) CA2754404C (OSRAM)
CY (1) CY1114649T1 (OSRAM)
DK (1) DK2405426T3 (OSRAM)
ES (1) ES2434125T3 (OSRAM)
HR (1) HRP20131056T1 (OSRAM)
MX (1) MX2011009333A (OSRAM)
PH (2) PH12012501447B1 (OSRAM)
PL (1) PL2405426T3 (OSRAM)
PT (1) PT2405426E (OSRAM)
RU (3) RU2482554C1 (OSRAM)
SG (1) SG174241A1 (OSRAM)
SI (1) SI2405426T1 (OSRAM)
SM (1) SMT201400025B (OSRAM)
TW (3) TWI390504B (OSRAM)
WO (1) WO2010101190A1 (OSRAM)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5395649B2 (ja) * 2009-12-24 2014-01-22 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置及びプログラム
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
CN103477388A (zh) * 2011-10-28 2013-12-25 松下电器产业株式会社 声音信号混合解码器、声音信号混合编码器、声音信号解码方法及声音信号编码方法
WO2020051786A1 (en) 2018-09-12 2020-03-19 Shenzhen Voxtech Co., Ltd. Signal processing device having multiple acoustic-electric transducers
US9043201B2 (en) 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
KR102446441B1 (ko) * 2012-11-13 2022-09-22 삼성전자주식회사 부호화 모드 결정방법 및 장치, 오디오 부호화방법 및 장치와, 오디오 복호화방법 및 장치
EP2830059A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling energy adjustment
JP5981408B2 (ja) * 2013-10-29 2016-08-31 株式会社Nttドコモ 音声信号処理装置、音声信号処理方法、及び音声信号処理プログラム
FR3013496A1 (fr) * 2013-11-15 2015-05-22 Orange Transition d'un codage/decodage par transformee vers un codage/decodage predictif
US11589172B2 (en) 2014-01-06 2023-02-21 Shenzhen Shokz Co., Ltd. Systems and methods for suppressing sound leakage
EP2980797A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition
US9685164B2 (en) 2014-03-31 2017-06-20 Qualcomm Incorporated Systems and methods of switching coding technologies at a device
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
FR3024582A1 (fr) 2014-07-29 2016-02-05 Orange Gestion de la perte de trame dans un contexte de transition fd/lpd
CN104485112B (zh) * 2014-12-08 2017-12-08 福建联迪商用设备有限公司 一种基于音频通讯中的音频解码方法及其装置
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
EP3231393B1 (de) 2016-04-13 2023-06-21 Christian Vallbracht Minimal-invasiv implantierbare mitral- und trikuspidalklappe
CN109215667B (zh) * 2017-06-29 2020-12-22 华为技术有限公司 时延估计方法及装置
CN110556118B (zh) * 2018-05-31 2022-05-10 华为技术有限公司 立体声信号的编码方法和装置
CN115881140B (zh) * 2021-09-29 2025-09-26 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序产品

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0352899A (ja) * 1989-07-20 1991-03-07 Asahi Glass Co Ltd カルシトニン類似体
SE504010C2 (sv) * 1995-02-08 1996-10-14 Ericsson Telefon Ab L M Förfarande och anordning för prediktiv kodning av tal- och datasignaler
JP2904083B2 (ja) * 1995-11-29 1999-06-14 日本電気株式会社 音声符号化切替えシステム
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
JP4216364B2 (ja) * 1997-08-29 2009-01-28 株式会社東芝 音声符号化/復号化方法および音声信号の成分分離方法
JP3487158B2 (ja) * 1998-02-26 2004-01-13 三菱電機株式会社 音声符号化伝送システム
SE0004187D0 (sv) * 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
JP4551555B2 (ja) * 2000-11-29 2010-09-29 株式会社東芝 符号化データ伝送装置
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
JP4290917B2 (ja) * 2002-02-08 2009-07-08 株式会社エヌ・ティ・ティ・ドコモ 復号装置、符号化装置、復号方法、及び、符号化方法
US20050228648A1 (en) * 2002-04-22 2005-10-13 Ari Heikkinen Method and device for obtaining parameters for parametric speech coding of frames
JP2004053676A (ja) * 2002-07-16 2004-02-19 Mitsubishi Electric Corp 音声符号化装置および復号装置
WO2004082288A1 (en) * 2003-03-11 2004-09-23 Nokia Corporation Switching between coding schemes
JP4546464B2 (ja) * 2004-04-27 2010-09-15 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法
JP2007538281A (ja) * 2004-05-17 2007-12-27 ノキア コーポレイション 異なる符号化モデルを用いる音声符号化
BRPI0418838A (pt) * 2004-05-17 2007-11-13 Nokia Corp método para suportar uma codificação de um sinal de áudio, módulo para suportar uma codificação de um sinal de áudio, dispositivo eletrÈnico, sistema de codificação de áudio, e, produto de programa de software
US7596486B2 (en) * 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
JP4907522B2 (ja) 2005-04-28 2012-03-28 パナソニック株式会社 音声符号化装置および音声符号化方法
EP1883067A1 (en) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
KR101227729B1 (ko) * 2008-07-11 2013-01-29 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 샘플 오디오 신호의 프레임을 인코딩하기 위한 오디오 인코더 및 디코더
EP4651130A1 (en) * 2009-10-20 2025-11-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee

Also Published As

Publication number Publication date
TWI390504B (zh) 2013-03-21
TWI385648B (zh) 2013-02-11
US8666754B2 (en) 2014-03-04
TW201246192A (en) 2012-11-16
WO2010101190A1 (ja) 2010-09-10
US20130185085A1 (en) 2013-07-18
AU2010219643C1 (en) 2013-03-14
AU2010219643A1 (en) 2011-10-06
KR101175555B1 (ko) 2012-08-21
US20130185075A1 (en) 2013-07-18
CN102737642B (zh) 2014-07-30
CY1114649T1 (el) 2016-12-14
CN102737641B (zh) 2014-07-02
KR20120084338A (ko) 2012-07-27
EP2405426A1 (en) 2012-01-11
SG174241A1 (en) 2011-10-28
JP4977157B2 (ja) 2012-07-18
PH12012501447A1 (en) 2014-08-27
TWI385649B (zh) 2013-02-11
PT2405426E (pt) 2013-10-17
RU2011140533A (ru) 2013-05-10
US9214161B2 (en) 2015-12-15
BRPI1016262B1 (pt) 2020-11-10
RU2493620C1 (ru) 2013-09-20
HRP20131056T1 (hr) 2013-12-06
PH12012501447B1 (en) 2014-08-27
CA2754404C (en) 2016-04-26
CN102737642A (zh) 2012-10-17
BR122013014739A2 (pt) 2016-05-24
JP2010210680A (ja) 2010-09-24
TW201246191A (en) 2012-11-16
US8751245B2 (en) 2014-06-10
PL2405426T3 (pl) 2014-01-31
DK2405426T3 (da) 2013-11-11
MX2011009333A (es) 2011-09-29
ES2434125T3 (es) 2013-12-13
RU2482554C1 (ru) 2013-05-20
EP2405426B1 (en) 2013-08-28
BR122013014739B1 (pt) 2020-10-13
KR101175553B1 (ko) 2012-08-23
CN102341851A (zh) 2012-02-01
CN102341851B (zh) 2013-09-04
KR20110124279A (ko) 2011-11-16
US20110320212A1 (en) 2011-12-29
EP2511906A1 (en) 2012-10-17
TW201126513A (en) 2011-08-01
RU2493619C1 (ru) 2013-09-20
PH12012501446A1 (en) 2015-07-20
KR101256542B1 (ko) 2013-04-19
BR122013014741A2 (pt) 2016-05-24
KR20120084339A (ko) 2012-07-27
CN102737641A (zh) 2012-10-17
EP2511907A1 (en) 2012-10-17
BRPI1016262A2 (pt) 2016-05-03
EP2405426A4 (en) 2012-10-17
BR122013014741B1 (pt) 2020-10-27
CA2754404A1 (en) 2010-09-10
SI2405426T1 (sl) 2013-12-31
AU2010219643B2 (en) 2012-10-25
PH12012501446B1 (en) 2015-07-20

Similar Documents

Publication Publication Date Title
SMT201400025B (it) Metodo di codifica di segnali audio, metodo di decodifica di segnali audio, dispositivo di codifica,dispositivo di decodifica, sistema di elaborazion e di segnali audio, programma di codifica di segnali audio, e programma di decodifica di segnasli audio
BRPI0905069A2 (pt) Aparelho de codificação de áudio, aparelho de decodificação de áudio, aparelho de codificação e de descodificação de áudio e sistema de teleconferência
BRPI1009610A2 (pt) sistema de multimidias e metodo de processamento de dados de multimida
ZA201207451B (en) Signal processing device and method,encoding device and method,decoding device and method,and program
BRPI1013632A2 (pt) sistema, método e aparelho
BRPI0908963A2 (pt) Aparelho e método decodificação de sinais
BR112012002092A2 (pt) sistema de dessalinização e metodo de dessalinização
EP2464013A4 (en) CODING METHOD, DECODING METHOD, CODING DEVICE AND DECODING DEVICE
EP2352145A4 (en) METHOD AND DEVICE FOR CODING TRANSITION SIGNALS, DECODING METHOD AND DEVICE AND PROCESSING SYSTEM
EP2381439A4 (en) STEREO ACOUSTIC SIGNAL ENCODING APPARATUS, STEREO ACOUSTIC SIGNAL DECODING APPARATUS, AND METHODS FOR SAID APPARATUS
PL2214164T3 (pl) Dekoder audio, sposoby dekodowania sygnału audio i program komputerowy
ZA201109112B (en) Audio signal decoder,method for decoding an audio signal and computer program using cascaded audio object processing stages
BR112012012231A2 (pt) método e sistema
BRPI0818616A2 (pt) Aparelho e método para codificação e decodificação de sinais.
BR112012000444A2 (pt) sistema de dessalinização e método de dessalinização
BR112012002301A2 (pt) método e sistema
BRPI1006398A2 (pt) método e sistema
EP2159790A4 (en) AUDIO CODING METHOD, AUDIO DECODING METHOD, AUDIO CODING DEVICE, AUDIO DECODING DEVICE, PROGRAM, AND AUDIO ENCODING / DECODING SYSTEM
EP2464018A4 (en) CODING METHOD, DECODING METHOD, CODING DEVICE AND DECODING DEVICE
BR112012002306A2 (pt) aparelho de processamento de informação, método de processamento de informação, terminal de operação, e, sistema de processamento de informação
BRPI1012657A2 (pt) método de processamneto de sondagem de decodificador, decodificador e sistema de monitoramento.
EP2464017A4 (en) CODING METHOD, DECODING METHOD, CODING DEVICE AND DECODING DEVICE
BRPI1015978A2 (pt) método, sistema, e, fluxímetro
EP2048658A4 (en) STEREOAUDIO CODING DEVICE, STEREOAUDIO DECODING DEVICE AND METHOD THEREFOR
EP2385522A4 (en) METHOD AND DEVICE FOR ENCODING DECODING OF A SIGNAL, SYSTEM AND ASSOCIATE