DE602004007953D1 - System und verfahren zur audiosignalverarbeitung - Google Patents

System und verfahren zur audiosignalverarbeitung

Info

Publication number
DE602004007953D1
DE602004007953D1 DE602004007953T DE602004007953T DE602004007953D1 DE 602004007953 D1 DE602004007953 D1 DE 602004007953D1 DE 602004007953 T DE602004007953 T DE 602004007953T DE 602004007953 T DE602004007953 T DE 602004007953T DE 602004007953 D1 DE602004007953 D1 DE 602004007953D1
Authority
DE
Germany
Prior art keywords
audio signal
signal processing
input level
gain factor
phonemes
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.)
Active
Application number
DE602004007953T
Other languages
English (en)
Other versions
DE602004007953T2 (de
Inventor
Christophe M Macours
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
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004007953D1 publication Critical patent/DE602004007953D1/de
Application granted granted Critical
Publication of DE602004007953T2 publication Critical patent/DE602004007953T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE602004007953T 2003-11-14 2004-11-09 System und verfahren zur audiosignalverarbeitung Active DE602004007953T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03104210 2003-11-14
EP03104210 2003-11-14
PCT/IB2004/052354 WO2005048242A1 (en) 2003-11-14 2004-11-09 System and method for audio signal processing

Publications (2)

Publication Number Publication Date
DE602004007953D1 true DE602004007953D1 (de) 2007-09-13
DE602004007953T2 DE602004007953T2 (de) 2008-04-17

Family

ID=34560221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004007953T Active DE602004007953T2 (de) 2003-11-14 2004-11-09 System und verfahren zur audiosignalverarbeitung

Country Status (8)

Country Link
US (1) US7539614B2 (de)
EP (1) EP1687812B1 (de)
JP (1) JP2007511793A (de)
KR (1) KR20060122854A (de)
CN (1) CN1879150B (de)
AT (1) ATE368922T1 (de)
DE (1) DE602004007953T2 (de)
WO (1) WO2005048242A1 (de)

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US20070129945A1 (en) * 2005-12-06 2007-06-07 Ma Changxue C Voice quality control for high quality speech reconstruction
CN101460996B (zh) * 2006-06-02 2012-10-31 日本电气株式会社 增益控制***和增益控制方法
JP4946293B2 (ja) 2006-09-13 2012-06-06 富士通株式会社 音声強調装置、音声強調プログラムおよび音声強調方法
KR20080060042A (ko) * 2006-12-26 2008-07-01 삼성전자주식회사 영상재생장치 및 그 화질개선방법
KR101414233B1 (ko) * 2007-01-05 2014-07-02 삼성전자 주식회사 음성 신호의 명료도를 향상시키는 장치 및 방법
US8195454B2 (en) * 2007-02-26 2012-06-05 Dolby Laboratories Licensing Corporation Speech enhancement in entertainment audio
CN101686039B (zh) * 2008-09-23 2013-01-23 深圳Tcl新技术有限公司 用于多媒体装置的音频处理装置以及音频处理方法
CN101986386B (zh) * 2009-07-29 2012-09-26 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
ES2392306B1 (es) * 2010-02-03 2013-10-02 Sergio CÓRDOBA SOLANO Gestión psicoacústica del sonido para su optimización en sistemas de audio de instalaciones fijas y eventuales.
CN102195581A (zh) * 2010-03-18 2011-09-21 承景科技股份有限公司 数字音频信号的音量调整方法
CN101848288A (zh) * 2010-04-19 2010-09-29 北京东微世纪科技有限公司 一种麦克风的模拟降噪***及方法
KR101726738B1 (ko) * 2010-12-01 2017-04-13 삼성전자주식회사 음성처리장치 및 그 방법
US9933990B1 (en) * 2013-03-15 2018-04-03 Sonitum Inc. Topological mapping of control parameters
CN103763498B (zh) * 2014-01-24 2017-08-01 深圳市影歌科技有限公司 Hdmi信号处理***及处理方法
CN104869503B (zh) * 2015-03-23 2019-01-04 深圳市冠旭电子股份有限公司 一种基于等响曲线的动态低频加强方法及***
CN105513606B (zh) * 2015-11-27 2019-12-06 百度在线网络技术（北京）有限公司 语音信号处理方法、装置和***
CN113711624B (zh) * 2019-04-23 2024-06-07 株式会社索思未来 声音处理装置
CN110971769B (zh) * 2019-11-19 2022-05-03 百度在线网络技术（北京）有限公司 通话信号的处理方法、装置、电子设备及存储介质

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US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4887299A (en) * 1987-11-12 1989-12-12 Nicolet Instrument Corporation Adaptive, programmable signal processing hearing aid
JPH0627995A (ja) * 1992-03-02 1994-02-04 Gijutsu Kenkyu Kumiai Iryo Fukushi Kiki Kenkyusho 音声信号処理装置と音声信号処理方法
US5526419A (en) * 1993-12-29 1996-06-11 At&T Corp. Background noise compensation in a telephone set
JPH0916193A (ja) * 1995-06-30 1997-01-17 Hitachi Ltd 話速変換装置
US5727031A (en) * 1995-06-30 1998-03-10 Telefonaktiebolaget Lm Ericsson Adaptive gain controller
JPH0968997A (ja) * 1995-08-30 1997-03-11 Sony Corp 音声処理方法及び装置
US5794187A (en) * 1996-07-16 1998-08-11 Audiological Engineering Corporation Method and apparatus for improving effective signal to noise ratios in hearing aids and other communication systems used in noisy environments without loss of spectral information
JP3102553B2 (ja) * 1996-09-05 2000-10-23 和彦 庄司 音声信号処理装置
US5890125A (en) * 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
US6868163B1 (en) * 1998-09-22 2005-03-15 Becs Technology, Inc. Hearing aids based on models of cochlear compression
FR2783991A1 (fr) * 1998-09-29 2000-03-31 Philips Consumer Communication Telephone avec moyens de rehaussement de l'impression subjective du signal en presence de bruit
US6363338B1 (en) * 1999-04-12 2002-03-26 Dolby Laboratories Licensing Corporation Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
ATE498177T1 (de) * 1999-08-10 2011-02-15 Telogy Networks Inc Hintergrundenergieschätzung
US6823452B1 (en) * 1999-12-17 2004-11-23 International Business Machines Corporation Providing end-to-end user authentication for host access using digital certificates
JP3889546B2 (ja) * 2000-03-30 2007-03-07 三洋電機株式会社 レベル調整回路
US6889186B1 (en) * 2000-06-01 2005-05-03 Avaya Technology Corp. Method and apparatus for improving the intelligibility of digitally compressed speech
US6873709B2 (en) 2000-08-07 2005-03-29 Apherma Corporation Method and apparatus for filtering and compressing sound signals
US6871279B2 (en) * 2001-03-20 2005-03-22 Networks Associates Technology, Inc. Method and apparatus for securely and dynamically managing user roles in a distributed system
DE10124699C1 (de) * 2001-05-18 2002-12-19 Micronas Gmbh Schaltungsanordnung zur Verbesserung der Verständlichkeit von Sprache enthaltenden Audiosignalen
JP4826034B2 (ja) * 2001-06-25 2011-11-30 ソニー株式会社 コンテンツ受信方法、コンテンツ再生方法、コンテンツ受信装置及びコンテンツ再生装置

Also Published As

Publication number Publication date
CN1879150A (zh) 2006-12-13
KR20060122854A (ko) 2006-11-30
EP1687812B1 (de) 2007-08-01
WO2005048242A1 (en) 2005-05-26
DE602004007953T2 (de) 2008-04-17
ATE368922T1 (de) 2007-08-15
EP1687812A1 (de) 2006-08-09
CN1879150B (zh) 2010-09-01
US7539614B2 (en) 2009-05-26
JP2007511793A (ja) 2007-05-10
US20050108008A1 (en) 2005-05-19

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