ATE456847T1 - Klassifizierung von audiosignalen - Google Patents

Klassifizierung von audiosignalen

Info

Publication number
ATE456847T1
ATE456847T1 AT05708203T AT05708203T ATE456847T1 AT E456847 T1 ATE456847 T1 AT E456847T1 AT 05708203 T AT05708203 T AT 05708203T AT 05708203 T AT05708203 T AT 05708203T AT E456847 T1 ATE456847 T1 AT E456847T1
Authority
AT
Austria
Prior art keywords
excitation
audio signal
block
frequency band
encoder
Prior art date
Application number
AT05708203T
Other languages
English (en)
Inventor
Janne Vainio
Hannu Mikkola
Pasi Ojala
Jari Maekinen
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE456847T1 publication Critical patent/ATE456847T1/de

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
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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

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)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
AT05708203T 2004-02-23 2005-02-16 Klassifizierung von audiosignalen ATE456847T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20045051A FI118834B (fi) 2004-02-23 2004-02-23 Audiosignaalien luokittelu
PCT/FI2005/050035 WO2005081230A1 (en) 2004-02-23 2005-02-16 Classification of audio signals

Publications (1)

Publication Number Publication Date
ATE456847T1 true ATE456847T1 (de) 2010-02-15

Family

ID=31725817

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05708203T ATE456847T1 (de) 2004-02-23 2005-02-16 Klassifizierung von audiosignalen

Country Status (16)

Country Link
US (1) US8438019B2 (de)
EP (1) EP1719119B1 (de)
JP (1) JP2007523372A (de)
KR (2) KR20080093074A (de)
CN (2) CN1922658A (de)
AT (1) ATE456847T1 (de)
AU (1) AU2005215744A1 (de)
BR (1) BRPI0508328A (de)
CA (1) CA2555352A1 (de)
DE (1) DE602005019138D1 (de)
ES (1) ES2337270T3 (de)
FI (1) FI118834B (de)
RU (1) RU2006129870A (de)
TW (1) TWI280560B (de)
WO (1) WO2005081230A1 (de)
ZA (1) ZA200606713B (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
KR20080097178A (ko) * 2006-01-18 2008-11-04 연세대학교 산학협력단 부호화/복호화 장치 및 방법
US8015000B2 (en) * 2006-08-03 2011-09-06 Broadcom Corporation Classification-based frame loss concealment for audio signals
US20080033583A1 (en) * 2006-08-03 2008-02-07 Broadcom Corporation Robust Speech/Music Classification for Audio Signals
US7877253B2 (en) 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
KR101379263B1 (ko) 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
WO2008090564A2 (en) * 2007-01-24 2008-07-31 P.E.S Institute Of Technology Speech activity detection
WO2008106036A2 (en) 2007-02-26 2008-09-04 Dolby Laboratories Licensing Corporation Speech enhancement in entertainment audio
US8982744B2 (en) * 2007-06-06 2015-03-17 Broadcom Corporation Method and system for a subband acoustic echo canceller with integrated voice activity detection
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
US20090043577A1 (en) * 2007-08-10 2009-02-12 Ditech Networks, Inc. Signal presence detection using bi-directional communication data
US20110035215A1 (en) * 2007-08-28 2011-02-10 Haim Sompolinsky Method, device and system for speech recognition
EP2218068A4 (de) * 2007-11-21 2010-11-24 Lg Electronics Inc Verfahren und vorrichtung zur verarbeitung eines signals
DE102008022125A1 (de) * 2008-05-05 2009-11-19 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Klassifikation von schallerzeugenden Prozessen
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
KR101649376B1 (ko) * 2008-10-13 2016-08-31 한국전자통신연구원 Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치
US8606569B2 (en) * 2009-07-02 2013-12-10 Alon Konchitsky Automatic determination of multimedia and voice signals
US8340964B2 (en) * 2009-07-02 2012-12-25 Alon Konchitsky Speech and music discriminator for multi-media application
KR101615262B1 (ko) 2009-08-12 2016-04-26 삼성전자주식회사 시멘틱 정보를 이용한 멀티 채널 오디오 인코딩 및 디코딩 방법 및 장치
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
KR101696632B1 (ko) 2010-07-02 2017-01-16 돌비 인터네셔널 에이비 선택적인 베이스 포스트 필터
ES2710554T3 (es) * 2010-07-08 2019-04-25 Fraunhofer Ges Forschung Codificador que utiliza cancelación del efecto de solapamiento hacia delante
EP2676267B1 (de) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung und dekodierung von impulspositionen von spuren eines audiosignals
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
KR101613673B1 (ko) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱
TWI564882B (zh) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
AU2012217162B2 (en) * 2011-02-14 2015-11-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Noise generation in audio codecs
CN102982804B (zh) * 2011-09-02 2017-05-03 杜比实验室特许公司 音频分类方法和系统
US9111531B2 (en) * 2012-01-13 2015-08-18 Qualcomm Incorporated Multiple coding mode signal classification
TWI591620B (zh) * 2012-03-21 2017-07-11 三星電子股份有限公司 產生高頻雜訊的方法
TWI612518B (zh) 2012-11-13 2018-01-21 Samsung Electronics Co., Ltd. 編碼模式決定方法、音訊編碼方法以及音訊解碼方法
CN105336338B (zh) 2014-06-24 2017-04-12 华为技术有限公司 音频编码方法和装置
US12062381B2 (en) * 2020-04-16 2024-08-13 Voiceage Corporation Method and device for speech/music classification and core encoder selection in a sound codec

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2746039B2 (ja) * 1993-01-22 1998-04-28 日本電気株式会社 音声符号化方式
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
DE69926821T2 (de) 1998-01-22 2007-12-06 Deutsche Telekom Ag Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
US6311154B1 (en) * 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
US6640208B1 (en) * 2000-09-12 2003-10-28 Motorola, Inc. Voiced/unvoiced speech classifier
US6615169B1 (en) * 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
KR100367700B1 (ko) * 2000-11-22 2003-01-10 엘지전자 주식회사 음성부호화기의 유/무성음정보 추정방법
US6658383B2 (en) 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals

Also Published As

Publication number Publication date
KR100962681B1 (ko) 2010-06-11
BRPI0508328A (pt) 2007-08-07
CA2555352A1 (en) 2005-09-01
EP1719119B1 (de) 2010-01-27
ES2337270T3 (es) 2010-04-22
DE602005019138D1 (de) 2010-03-18
CN1922658A (zh) 2007-02-28
RU2006129870A (ru) 2008-03-27
FI118834B (fi) 2008-03-31
US8438019B2 (en) 2013-05-07
JP2007523372A (ja) 2007-08-16
AU2005215744A1 (en) 2005-09-01
ZA200606713B (en) 2007-11-28
TWI280560B (en) 2007-05-01
FI20045051A0 (fi) 2004-02-23
KR20070088276A (ko) 2007-08-29
FI20045051L (fi) 2005-08-24
KR20080093074A (ko) 2008-10-17
US20050192798A1 (en) 2005-09-01
CN103177726A (zh) 2013-06-26
CN103177726B (zh) 2016-11-02
TW200532646A (en) 2005-10-01
WO2005081230A1 (en) 2005-09-01
EP1719119A1 (de) 2006-11-08

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