ATE540401T1 - Audiocodierungs-/decodierungsschema mit geringer bitrate mit gemeinsamer vorverarbeitung - Google Patents

Audiocodierungs-/decodierungsschema mit geringer bitrate mit gemeinsamer vorverarbeitung

Info

Publication number
ATE540401T1
ATE540401T1 AT09793882T AT09793882T ATE540401T1 AT E540401 T1 ATE540401 T1 AT E540401T1 AT 09793882 T AT09793882 T AT 09793882T AT 09793882 T AT09793882 T AT 09793882T AT E540401 T1 ATE540401 T1 AT E540401T1
Authority
AT
Austria
Prior art keywords
audio coding
decoding scheme
low bitrate
bitrate audio
preprocessing
Prior art date
Application number
AT09793882T
Other languages
English (en)
Inventor
Bernhard Grill
Stefan Bayer
Guillaume Fuchs
Stefan Geyersberger
Ralf Geiger
Johannes Hilpert
Ulrich Kraemer
Jeremie Lecomte
Markus Multrus
Max Neuendorf
Harald Popp
Nikolaus Rettelbach
Frederik Nagel
Sascha Disch
Juergen Herre
Yoshikazu Yokotani
Stefan Wabnik
Gerald Schuller
Jens Hirschfeld
Original Assignee
Fraunhofer Ges Forschung
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Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of ATE540401T1 publication Critical patent/ATE540401T1/de

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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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • G10L2019/0008—Algebraic codebooks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT09793882T 2008-07-11 2009-07-06 Audiocodierungs-/decodierungsschema mit geringer bitrate mit gemeinsamer vorverarbeitung ATE540401T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7986108P 2008-07-11 2008-07-11
EP08017662 2008-10-08
EP09002272A EP2144231A1 (de) 2008-07-11 2009-02-18 Audiokodierungs-/-dekodierungschema geringer Bitrate mit gemeinsamer Vorverarbeitung
PCT/EP2009/004873 WO2010003617A1 (en) 2008-07-11 2009-07-06 Low bitrate audio encoding/decoding scheme with common preprocessing

Publications (1)

Publication Number Publication Date
ATE540401T1 true ATE540401T1 (de) 2012-01-15

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AT09793882T ATE540401T1 (de) 2008-07-11 2009-07-06 Audiocodierungs-/decodierungsschema mit geringer bitrate mit gemeinsamer vorverarbeitung

Country Status (18)

Country Link
US (1) US8804970B2 (de)
EP (2) EP2144231A1 (de)
JP (1) JP5325294B2 (de)
KR (3) KR101645783B1 (de)
CN (1) CN102124517B (de)
AR (1) AR072423A1 (de)
AT (1) ATE540401T1 (de)
AU (1) AU2009267432B2 (de)
BR (4) BR122020025711B1 (de)
CA (1) CA2730237C (de)
CO (1) CO6341673A2 (de)
ES (1) ES2380307T3 (de)
MX (1) MX2011000383A (de)
PL (1) PL2311035T3 (de)
RU (1) RU2483365C2 (de)
TW (1) TWI463486B (de)
WO (1) WO2010003617A1 (de)
ZA (1) ZA201009209B (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101395252B1 (ko) * 2008-07-11 2014-05-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 포락선의 수를 산출하기 위한 장치 및 그 방법
CN102105930B (zh) * 2008-07-11 2012-10-03 弗朗霍夫应用科学研究促进协会 用于编码采样音频信号的帧的音频编码器和解码器
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
EP2144231A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/-dekodierungschema geringer Bitrate mit gemeinsamer Vorverarbeitung
PL2352147T3 (pl) * 2008-07-11 2014-02-28 Fraunhofer Ges Forschung Urządzenie i sposób kodowania sygnału audio
KR101797033B1 (ko) * 2008-12-05 2017-11-14 삼성전자주식회사 부호화 모드를 이용한 음성신호의 부호화/복호화 장치 및 방법
IL286761B (en) * 2010-04-09 2022-09-01 Dolby Int Ab An uplink mixer is active in predictive or non-predictive mode
KR101697550B1 (ko) 2010-09-16 2017-02-02 삼성전자주식회사 멀티채널 오디오 대역폭 확장 장치 및 방법
KR101998609B1 (ko) * 2010-10-25 2019-07-10 보이세지 코포레이션 혼합형 시간-영역/주파수-영역 코딩 장치, 인코더, 디코더, 혼합형 시간-영역/주파수-영역 코딩 방법, 인코딩 방법 및 디코딩 방법
US9037456B2 (en) 2011-07-26 2015-05-19 Google Technology Holdings LLC Method and apparatus for audio coding and decoding
EP2600343A1 (de) 2011-12-02 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Mischen von Raumtoncodierungsstreams auf Geometriebasis
US9043201B2 (en) * 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
WO2013168414A1 (ja) * 2012-05-11 2013-11-14 パナソニック株式会社 音信号ハイブリッドエンコーダ、音信号ハイブリッドデコーダ、音信号符号化方法、及び音信号復号方法
EP2665208A1 (de) * 2012-05-14 2013-11-20 Thomson Licensing Verfahren und Vorrichtung zur Komprimierung und Dekomprimierung einer High Order Ambisonics-Signaldarstellung
ES2900594T3 (es) * 2012-11-13 2022-03-17 Samsung Electronics Co Ltd Procedimiento para determinar un modo de codificación
PT2922053T (pt) 2012-11-15 2019-10-15 Ntt Docomo Inc Dispositivo de codificação de áudio, método de codificação de áudio, programa de codificação de áudio, dispositivo de descodificação de áudio, método de descodificação de áudio, e programa de descodificação de áudio
US9548056B2 (en) * 2012-12-19 2017-01-17 Dolby International Ab Signal adaptive FIR/IIR predictors for minimizing entropy
ES2769845T3 (es) 2013-01-08 2020-06-29 Dolby Int Ab Predicción basada en modelo en un banco de filtros
BR112015017874B1 (pt) 2013-01-29 2021-12-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Conceito para codificar a compensação de comutação de modo
JP6179122B2 (ja) * 2013-02-20 2017-08-16 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム
EP3011561B1 (de) 2013-06-21 2017-05-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verbesserung der signalausblendung in verschiedenen domänen während der fehlermaskierung
EP2830051A3 (de) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, Audiodecodierer, Verfahren und Computerprogramm mit gemeinsamen codierten Restsignalen
EP2830048A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Realisierung eines SAOC-Downmix von 3D-Audioinhalt
EP2830058A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequenzbereichsaudiocodierung mit Unterstützung von Transformationslängenschaltung
EP2830047A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur verzögerungsarmen Codierung von Objektmetadaten
EP2830053A1 (de) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit restsignalbasierter Anpassung einer Beteiligung eines dekorrelierten Signals
EP2830045A1 (de) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konzept zur Audiocodierung und Audiodecodierung für Audiokanäle und Audioobjekte
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
ES3042587T3 (en) 2013-10-18 2025-11-21 Fraunhofer Ges Forschung Concept of encoding an audio signal and decoding an audio signal using deterministic and noise like information
PL3058568T3 (pl) 2013-10-18 2021-07-05 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Koncepcja kodowania sygnału audio i dekodowania sygnału audio z wykorzystaniem związanych z mową informacji kształtowania widmowego
ES2755166T3 (es) 2013-10-31 2020-04-21 Fraunhofer Ges Forschung Decodificador de audio y método para proporcionar una información de audio decodificada usando una ocultación de error que modifica una señal de excitación de dominio de tiempo
JP6306175B2 (ja) 2013-10-31 2018-04-04 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 時間ドメイン励振信号に基づくエラーコンシールメントを用いて、復号化されたオーディオ情報を提供するオーディオデコーダおよび復号化されたオーディオ情報を提供する方法
EP3069338B1 (de) 2013-11-13 2018-12-19 Fraunhofer Gesellschaft zur Förderung der Angewand Kodierer zum kodieren eines audiosignals, audioübertragungssytem und verfahren zum bestimmen von korrekturwerten
FR3013496A1 (fr) * 2013-11-15 2015-05-22 Orange Transition d'un codage/decodage par transformee vers un codage/decodage predictif
EP2980797A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Verfahren und Computerprogramm mit Zero-Input-Response zur Erzeugung eines sanften Übergangs
US9564136B2 (en) * 2014-03-06 2017-02-07 Dts, Inc. Post-encoding bitrate reduction of multiple object audio
KR102222838B1 (ko) 2014-04-17 2021-03-04 보이세지 코포레이션 다른 샘플링 레이트들을 가진 프레임들간의 전환시 사운드 신호의 선형 예측 인코딩 및 디코딩을 위한 방법, 인코더 및 디코더
EP2980794A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor
CN104269173B (zh) * 2014-09-30 2018-03-13 武汉大学深圳研究院 切换模式的音频带宽扩展装置与方法
EP3067887A1 (de) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer zur codierung eines mehrkanalsignals und audiodecodierer zur decodierung eines codierten audiosignals
CN106205628B (zh) * 2015-05-06 2018-11-02 小米科技有限责任公司 声音信号优化方法及装置
CA3011883C (en) 2016-01-22 2020-10-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for mdct m/s stereo with global ild to improve mid/side decision
EP3276620A1 (de) * 2016-07-29 2018-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitbereichs-alias-reduktion für ungleichförmige filterbänke unter verwendung von spektralanalyse gefolgt von partieller synthese
DE102016214693B4 (de) 2016-08-08 2018-05-09 Steinbeiss-Forschungszentrum, Material Engineering Center Saarland Elektrisch leitendes Kontaktelement für einen elektrischen Steckverbinder, elektrischer Steckverbinder, der ein solches Kontaktelement umfasst, und Verfahren zum Einschließen eines Hilfsstoffes unter der Kontaktoberfläche eines solchen Kontaktelements
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
KR102623514B1 (ko) * 2017-10-23 2024-01-11 삼성전자주식회사 음성신호 처리장치 및 그 동작방법
EP3483882A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerung der bandbreite in codierern und/oder decodierern
EP3483880A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
EP3483883A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -dekodierung mit selektiver nachfilterung
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483878A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge
BR112020011035A2 (pt) 2017-11-17 2020-11-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. aparelho e método para codificar ou decodificar parâmetros de codificação de áudio direcional com o uso de diferentes resoluções de tempo frequência
CN109036457B (zh) 2018-09-10 2021-10-08 广州酷狗计算机科技有限公司 恢复音频信号的方法和装置
EP3719799A1 (de) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Mehrkanaliger audiocodierer, decodierer, verfahren und computerprogramm zum umschalten zwischen einem parametrischen mehrkanalbetrieb und einem einzelkanalbetrieb
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
CN112447165B (zh) * 2019-08-15 2024-08-02 阿里巴巴集团控股有限公司 信息处理、模型训练和构建方法、电子设备、智能音箱
CN113129913B (zh) * 2019-12-31 2024-05-03 华为技术有限公司 音频信号的编解码方法和编解码装置
PT4226368T (pt) * 2020-10-05 2024-11-28 Nokia Technologies Oy Quantificação de parâmetros de áudio
WO2022159247A1 (en) * 2021-01-22 2022-07-28 Google Llc Trained generative model speech coding
CN115223579B (zh) * 2021-04-20 2025-09-12 华为技术有限公司 一种编解码器协商与切换方法

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3317470B2 (ja) * 1995-03-28 2002-08-26 日本電信電話株式会社 音響信号符号化方法、音響信号復号化方法
JP4132109B2 (ja) * 1995-10-26 2008-08-13 ソニー株式会社 音声信号の再生方法及び装置、並びに音声復号化方法及び装置、並びに音声合成方法及び装置
JPH10124092A (ja) * 1996-10-23 1998-05-15 Sony Corp 音声符号化方法及び装置、並びに可聴信号符号化方法及び装置
SE9700772D0 (sv) * 1997-03-03 1997-03-03 Ericsson Telefon Ab L M A high resolution post processing method for a speech decoder
US6447490B1 (en) * 1997-08-07 2002-09-10 James Zhou Liu Vagina cleaning system for preventing pregnancy and sexually transmitted diseases
KR100361883B1 (ko) * 1997-10-03 2003-01-24 마츠시타 덴끼 산교 가부시키가이샤 오디오신호압축방법,오디오신호압축장치,음성신호압축방법,음성신호압축장치,음성인식방법및음성인식장치
KR100675309B1 (ko) * 1999-11-16 2007-01-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 광대역 오디오 송신 시스템, 송신기, 수신기, 코딩 디바이스, 디코딩 디바이스와, 송신 시스템에서 사용하기 위한 코딩 방법 및 디코딩 방법
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
BRPI0206395B1 (pt) 2001-11-14 2017-07-04 Panasonic Intellectual Property Corporation Of America Decoding device, coding device, communication system constituting a coding device and a coding device, decoding method, coding method, communication method for a system established by a coding device and a decoding device , and recording media
US6785645B2 (en) * 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
TW564400B (en) * 2001-12-25 2003-12-01 Univ Nat Cheng Kung Speech coding/decoding method and speech coder/decoder
EP1489599B1 (de) 2002-04-26 2016-05-11 Panasonic Intellectual Property Corporation of America Kodierungseinrichtung und dekodierungseinrichtung
US7876966B2 (en) * 2003-03-11 2011-01-25 Spyder Navigations L.L.C. Switching between coding schemes
US7756709B2 (en) * 2004-02-02 2010-07-13 Applied Voice & Speech Technologies, Inc. Detection of voice inactivity within a sound stream
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
CA2566372A1 (en) * 2004-05-17 2005-11-24 Nokia Corporation Audio encoding with different coding models
US7596486B2 (en) * 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
US8423372B2 (en) * 2004-08-26 2013-04-16 Sisvel International S.A. Processing of encoded signals
US8180631B2 (en) * 2005-07-11 2012-05-15 Lg Electronics Inc. Apparatus and method of processing an audio signal, utilizing a unique offset associated with each coded-coefficient
US7742913B2 (en) * 2005-10-24 2010-06-22 Lg Electronics Inc. Removing time delays in signal paths
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
WO2007091849A1 (en) * 2006-02-07 2007-08-16 Lg Electronics Inc. Apparatus and method for encoding/decoding signal
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
PL2038879T3 (pl) * 2006-06-30 2016-04-29 Fraunhofer Ges Forschung Koder audio i dekoder audio mające dynamicznie zmienną charakterystykę odkształcania
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR100964402B1 (ko) * 2006-12-14 2010-06-17 삼성전자주식회사 오디오 신호의 부호화 모드 결정 방법 및 장치와 이를 이용한 오디오 신호의 부호화/복호화 방법 및 장치
KR100883656B1 (ko) * 2006-12-28 2009-02-18 삼성전자주식회사 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
KR101452722B1 (ko) * 2008-02-19 2014-10-23 삼성전자주식회사 신호 부호화 및 복호화 방법 및 장치
EP2144231A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/-dekodierungschema geringer Bitrate mit gemeinsamer Vorverarbeitung

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BR122020025776B1 (pt) 2021-09-28
EP2144231A1 (de) 2010-01-13
BR122021017391B1 (pt) 2022-02-22
KR20130014642A (ko) 2013-02-07
CO6341673A2 (es) 2011-11-21
CA2730237A1 (en) 2010-01-14
CN102124517B (zh) 2012-12-19
AR072423A1 (es) 2010-08-25
ZA201009209B (en) 2011-09-28
WO2010003617A1 (en) 2010-01-14
CA2730237C (en) 2015-03-31
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