AU5103700A - Noise signal encoder and voice signal encoder - Google Patents

Noise signal encoder and voice signal encoder

Info

Publication number
AU5103700A
AU5103700A AU51037/00A AU5103700A AU5103700A AU 5103700 A AU5103700 A AU 5103700A AU 51037/00 A AU51037/00 A AU 51037/00A AU 5103700 A AU5103700 A AU 5103700A AU 5103700 A AU5103700 A AU 5103700A
Authority
AU
Australia
Prior art keywords
signal encoder
voice signal
noise signal
noise
voice
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.)
Abandoned
Application number
AU51037/00A
Inventor
Koji Yoshida
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU5103700A publication Critical patent/AU5103700A/en
Abandoned legal-status Critical Current

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
    • G10L19/012—Comfort noise or silence 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
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses

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)
AU51037/00A 1999-06-15 2000-06-01 Noise signal encoder and voice signal encoder Abandoned AU5103700A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP16854599A JP4464484B2 (en) 1999-06-15 1999-06-15 Noise signal encoding apparatus and speech signal encoding apparatus
JP11/168545 1999-06-15
PCT/JP2000/003526 WO2000077774A1 (en) 1999-06-15 2000-06-01 Noise signal encoder and voice signal encoder

Publications (1)

Publication Number Publication Date
AU5103700A true AU5103700A (en) 2001-01-02

Family

ID=15870014

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51037/00A Abandoned AU5103700A (en) 1999-06-15 2000-06-01 Noise signal encoder and voice signal encoder

Country Status (5)

Country Link
EP (1) EP1120775A4 (en)
JP (1) JP4464484B2 (en)
CN (1) CN1313983A (en)
AU (1) AU5103700A (en)
WO (1) WO2000077774A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4769121B2 (en) * 2006-05-15 2011-09-07 日本電信電話株式会社 Server / client type speech recognition method, apparatus, server / client type speech recognition program, and recording medium
EP2164238B1 (en) * 2007-06-27 2013-01-16 NEC Corporation Multi-point connection device, signal analysis and device, method, and program
CN101546557B (en) * 2008-03-28 2011-03-23 展讯通信（上海）有限公司 Method for updating classifier parameters for identifying audio content
US20120095760A1 (en) * 2008-12-19 2012-04-19 Ojala Pasi S Apparatus, a method and a computer program for coding
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
MY159444A (en) 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
PL3471092T3 (en) 2011-02-14 2020-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoding of pulse positions of tracks of an audio signal
ES2534972T3 (en) 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based on coding scheme using spectral domain noise conformation
CN102959620B (en) 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 Information signal representation using lapped transform
CN103534754B (en) * 2011-02-14 2015-09-30 弗兰霍菲尔运输应用研究公司 The audio codec utilizing noise to synthesize during the inertia stage
SG192746A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for processing a decoded audio signal in a spectral domain
CA2827000C (en) 2011-02-14 2016-04-05 Jeremie Lecomte Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
AU2012217153B2 (en) 2011-02-14 2015-07-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
CN104469250B (en) * 2013-09-23 2019-07-26 联想(北京)有限公司 A kind of information processing method and electronic equipment
EP3010017A1 (en) * 2014-10-14 2016-04-20 Thomson Licensing Method and apparatus for separating speech data from background data in audio communication
CN106971741B (en) * 2016-01-14 2020-12-01 芋头科技（杭州）有限公司 Method and system for voice noise reduction for separating voice in real time
CN109313904B (en) * 2016-05-30 2023-12-08 索尼公司 Video/audio processing apparatus and method, and storage medium

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2692104B2 (en) * 1988-02-12 1997-12-17 株式会社日立製作所 Voice multiplexing system
JPH07129195A (en) * 1993-11-05 1995-05-19 Nec Corp Sound decoding device
JP3173639B2 (en) * 1995-05-26 2001-06-04 株式会社エヌ・ティ・ティ・ドコモ Background noise update system and method
JP2806308B2 (en) * 1995-06-30 1998-09-30 日本電気株式会社 Audio decoding device
JP3259759B2 (en) * 1996-07-22 2002-02-25 日本電気株式会社 Audio signal transmission method and audio code decoding system
US5960389A (en) * 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
JP3575967B2 (en) * 1996-12-02 2004-10-13 沖電気工業株式会社 Voice communication system and voice communication method
JP3119204B2 (en) * 1997-06-27 2000-12-18 日本電気株式会社 Audio coding device
JP2000122698A (en) * 1998-10-19 2000-04-28 Mitsubishi Electric Corp Voice encoder
CN1145928C (en) * 1999-06-07 2004-04-14 艾利森公司 Methods and apparatus for generating comfort noise using parametric noise model statistics

Also Published As

Publication number Publication date
CN1313983A (en) 2001-09-19
EP1120775A1 (en) 2001-08-01
EP1120775A4 (en) 2001-09-26
JP2000357000A (en) 2000-12-26
JP4464484B2 (en) 2010-05-19
WO2000077774A1 (en) 2000-12-21

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase