DE602004029786D1 - Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch - Google Patents

Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch

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Publication number
DE602004029786D1
DE602004029786D1 DE602004029786T DE602004029786T DE602004029786D1 DE 602004029786 D1 DE602004029786 D1 DE 602004029786D1 DE 602004029786 T DE602004029786 T DE 602004029786T DE 602004029786 T DE602004029786 T DE 602004029786T DE 602004029786 D1 DE602004029786 D1 DE 602004029786D1
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Germany
Prior art keywords
encoding
signal
audio signal
decoding
description
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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.)
Active
Application number
DE602004029786T
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English (en)
Inventor
Brinker Albertus C Den
Francois P Myburg
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004029786D1 publication Critical patent/DE602004029786D1/de
Active legal-status Critical Current
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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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading 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
    • G10L19/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE602004029786T 2003-06-30 2004-06-25 Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch Active DE602004029786D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03101938 2003-06-30
PCT/IB2004/051010 WO2005001814A1 (en) 2003-06-30 2004-06-25 Improving quality of decoded audio by adding noise

Publications (1)

Publication Number Publication Date
DE602004029786D1 true DE602004029786D1 (de) 2010-12-09

Family

ID=33547768

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004029786T Active DE602004029786D1 (de) 2003-06-30 2004-06-25 Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch

Country Status (9)

Country Link
US (1) US7548852B2 (de)
EP (1) EP1642265B1 (de)
JP (1) JP4719674B2 (de)
KR (1) KR101058062B1 (de)
CN (1) CN100508030C (de)
AT (1) ATE486348T1 (de)
DE (1) DE602004029786D1 (de)
ES (1) ES2354427T3 (de)
WO (1) WO2005001814A1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
DE102004039345A1 (de) 2004-08-12 2006-02-23 Micronas Gmbh Verfahren und Vorrichtung zur Rauschunterdrückung in einer Datenverarbeitungseinrichtung
CN101006496B (zh) 2004-08-17 2012-03-21 皇家飞利浦电子股份有限公司 可分级音频编码
JP5063364B2 (ja) * 2005-02-10 2012-10-31 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音声合成方法
CN101116136B (zh) * 2005-02-10 2011-05-18 皇家飞利浦电子股份有限公司 声音合成的装置和方法
US8738382B1 (en) * 2005-12-16 2014-05-27 Nvidia Corporation Audio feedback time shift filter system and method
US8731913B2 (en) * 2006-08-03 2014-05-20 Broadcom Corporation Scaled window overlap add for mixed signals
JPWO2008053970A1 (ja) * 2006-11-02 2010-02-25 パナソニック株式会社 音声符号化装置、音声復号化装置、およびこれらの方法
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
JPWO2008084688A1 (ja) * 2006-12-27 2010-04-30 パナソニック株式会社 符号化装置、復号装置及びこれらの方法
FR2911426A1 (fr) * 2007-01-15 2008-07-18 France Telecom Modification d'un signal de parole
JP4708446B2 (ja) * 2007-03-02 2011-06-22 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US9269372B2 (en) * 2007-08-27 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Adaptive transition frequency between noise fill and bandwidth extension
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
KR101441897B1 (ko) * 2008-01-31 2014-09-23 삼성전자주식회사 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치
BR112013020482B1 (pt) 2011-02-14 2021-02-23 Fraunhofer Ges Forschung aparelho e método para processar um sinal de áudio decodificado em um domínio espectral
JP5625126B2 (ja) 2011-02-14 2014-11-12 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン スペクトル領域ノイズ整形を使用する線形予測ベースコーディングスキーム
SG185519A1 (en) 2011-02-14 2012-12-28 Fraunhofer Ges Forschung Information signal representation using lapped transform
JP5800915B2 (ja) 2011-02-14 2015-10-28 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 オーディオ信号のトラックのパルス位置の符号化および復号化
SG192734A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
ES2623291T3 (es) 2011-02-14 2017-07-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación de una porción de una señal de audio utilizando una detección de transitorios y un resultado de calidad
EP2676264B1 (de) * 2011-02-14 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio-enkodierer mit schätzung des hintergrundrauschens in aktiven phasen
KR20120115123A (ko) * 2011-04-08 2012-10-17 삼성전자주식회사 오디오 패킷을 포함하는 전송 스트림을 전송하는 디지털 방송 송신기, 이를 수신하는 디지털 방송 수신기 및 그 방법들
US9264094B2 (en) * 2011-06-09 2016-02-16 Panasonic Intellectual Property Corporation Of America Voice coding device, voice decoding device, voice coding method and voice decoding method
JP5727872B2 (ja) * 2011-06-10 2015-06-03 日本放送協会 復号化装置及び復号化プログラム
CN102983940B (zh) * 2012-11-14 2016-03-30 华为技术有限公司 数据传输方法、装置及系统
ES2597829T3 (es) 2013-02-05 2017-01-23 Telefonaktiebolaget Lm Ericsson (Publ) Ocultación de pérdida de trama de audio
ES2603827T3 (es) * 2013-02-05 2017-03-01 Telefonaktiebolaget L M Ericsson (Publ) Método y aparato para controlar la ocultación de pérdida de trama de audio
US9478221B2 (en) 2013-02-05 2016-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced audio frame loss concealment
EP2830055A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kontextbasierte Entropiecodierung von Probenwerten einer spektralen Hüllkurve
US9697843B2 (en) * 2014-04-30 2017-07-04 Qualcomm Incorporated High band excitation signal generation
TW201615643A (zh) * 2014-06-02 2016-05-01 伊史帝夫博士實驗室股份有限公司 具有多重模式抗疼痛活性之１－氧雜－４，９－二氮雜螺十一烷化合物之烷基與芳基衍生物
ES2956344T3 (es) 2015-08-25 2023-12-19 Dolby Laboratories Licensing Corp Descodificador de audio y procedimiento de descodificación
WO2018122217A1 (en) * 2016-12-28 2018-07-05 Koninklijke Philips N.V. Method of characterizing sleep disordered breathing
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
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
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
EP3483880A1 (de) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
KR20220009563A (ko) * 2020-07-16 2022-01-25 한국전자통신연구원 오디오 신호의 부호화 및 복호화 방법과 이를 수행하는 부호화기 및 복호화기

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878790A1 (de) * 1997-05-15 1998-11-18 Hewlett-Packard Company Sprachkodiersystem und Verfahren
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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)
JP4792613B2 (ja) * 1999-09-29 2011-10-12 ソニー株式会社 情報処理装置および方法、並びに記録媒体
FR2821501B1 (fr) * 2001-02-23 2004-07-16 France Telecom Procede et dispositif de reconstruction spectrale d'un signal a spectre incomplet et systeme de codage/decodage associe
KR20030011912A (ko) * 2001-04-18 2003-02-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
CN1274153C (zh) * 2001-04-18 2006-09-06 皇家菲利浦电子有限公司 部分加密的声频编码
AU2002307533B2 (en) * 2001-05-10 2008-01-31 Dolby Laboratories Licensing Corporation Improving transient performance of low bit rate audio coding systems by reducing pre-noise
JP3923783B2 (ja) * 2001-11-02 2007-06-06 松下電器産業株式会社 符号化装置及び復号化装置
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
US7321559B2 (en) * 2002-06-28 2008-01-22 Lucent Technologies Inc System and method of noise reduction in receiving wireless transmission of packetized audio signals

Also Published As

Publication number Publication date
CN1816848A (zh) 2006-08-09
US7548852B2 (en) 2009-06-16
WO2005001814A1 (en) 2005-01-06
ATE486348T1 (de) 2010-11-15
CN100508030C (zh) 2009-07-01
KR101058062B1 (ko) 2011-08-19
KR20060025203A (ko) 2006-03-20
ES2354427T3 (es) 2011-03-14
EP1642265A1 (de) 2006-04-05
EP1642265B1 (de) 2010-10-27
JP2007519014A (ja) 2007-07-12
US20070124136A1 (en) 2007-05-31
JP4719674B2 (ja) 2011-07-06

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