IL120523A - Voice coding and transmission system - Google Patents

Voice coding and transmission system

Info

Publication number
IL120523A
IL120523A IL12052397A IL12052397A IL120523A IL 120523 A IL120523 A IL 120523A IL 12052397 A IL12052397 A IL 12052397A IL 12052397 A IL12052397 A IL 12052397A IL 120523 A IL120523 A IL 120523A
Authority
IL
Israel
Prior art keywords
transmission system
voice coding
coding
voice
transmission
Prior art date
Application number
IL12052397A
Other languages
English (en)
Other versions
IL120523A0 (en
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of IL120523A0 publication Critical patent/IL120523A0/xx
Publication of IL120523A publication Critical patent/IL120523A/xx

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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IL12052397A 1996-03-29 1997-03-25 Voice coding and transmission system IL120523A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7776196 1996-03-29
JP32892596A JP3157116B2 (ja) 1996-03-29 1996-12-09 音声符号化伝送システム

Publications (2)

Publication Number Publication Date
IL120523A0 IL120523A0 (en) 1997-07-13
IL120523A true IL120523A (en) 2000-01-31

Family

ID=26418831

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12052397A IL120523A (en) 1996-03-29 1997-03-25 Voice coding and transmission system

Country Status (5)

Country Link
US (1) US5873058A (fr)
EP (2) EP1453231A1 (fr)
JP (1) JP3157116B2 (fr)
DE (1) DE69730473T2 (fr)
IL (1) IL120523A (fr)

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JP3039779B2 (ja) * 1998-06-19 2000-05-08 日本電気株式会社 音声中継装置及びその中継方法
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US8725501B2 (en) 2004-07-20 2014-05-13 Panasonic Corporation Audio decoding device and compensation frame generation method
JP4419748B2 (ja) * 2004-08-12 2010-02-24 沖電気工業株式会社 消失補償装置、消失補償方法、および消失補償プログラム
US8102872B2 (en) * 2005-02-01 2012-01-24 Qualcomm Incorporated Method for discontinuous transmission and accurate reproduction of background noise information
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US20060217988A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for adaptive level control
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US20060217970A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for noise reduction
JP2007288342A (ja) * 2006-04-13 2007-11-01 Nec Corp メディアストリーム中継装置および方法
JP4678440B2 (ja) * 2006-07-27 2011-04-27 日本電気株式会社 音声データ復号装置
JP5011913B2 (ja) * 2006-09-28 2012-08-29 沖電気工業株式会社 差分符号化信号復号装置
JP2008033233A (ja) * 2007-02-16 2008-02-14 Nec Corp 音声データ復号装置及び音声データ変換装置
CN101542593B (zh) * 2007-03-12 2013-04-17 富士通株式会社 语音波形内插装置及方法
JP5058738B2 (ja) * 2007-09-25 2012-10-24 キヤノン株式会社 ＩｒＤＡ制御装置及びＩｒＤＡ制御方法
US8509460B2 (en) 2008-02-04 2013-08-13 Nec Corporation Sound mixing apparatus and method and multipoint conference server
WO2010114344A2 (fr) * 2009-04-03 2010-10-07 (주)엘지전자 Appareil et procédé de transmission de flux de données multiples dans un système relais
US20100260273A1 (en) * 2009-04-13 2010-10-14 Dsp Group Limited Method and apparatus for smooth convergence during audio discontinuous transmission
US8898053B2 (en) * 2009-05-22 2014-11-25 Panasonic Intellectual Property Corporation Of America Encoding device, decoding device, and methods therein
US9332585B2 (en) * 2010-11-18 2016-05-03 Dsp Group Ltd. Non-synchronized ADPCM with discontinuous transmission
ES2635555T3 (es) 2013-06-21 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para el desvanecimiento de señales mejorado en diferentes dominios durante el ocultamiento de errores
CA2958429C (fr) 2014-07-25 2020-03-10 Panasonic Intellectual Property Corporation Of America Appareil de codage de signal audio, appareil de decodage de signal audio, methode de codage de signal audio et methode de decodage de signal audio
JP6556473B2 (ja) * 2015-03-12 2019-08-07 株式会社東芝 送信装置、音声認識システム、送信方法、およびプログラム
MX2023000343A (es) * 2020-07-08 2023-02-09 Dolby Int Ab Ocultacion de perdida de paquetes.
US12088643B2 (en) * 2022-04-15 2024-09-10 Google Llc Videoconferencing with reduced quality interruptions upon participant join
CN115695114B (zh) * 2022-11-02 2024-03-29 电子科技大学 基于k近邻算法的人工噪声消除方法

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JP2616549B2 (ja) * 1993-12-10 1997-06-04 日本電気株式会社 音声復号装置
JP3182032B2 (ja) * 1993-12-10 2001-07-03 株式会社日立国際電気 音声符号化通信方式及びその装置
JP2979943B2 (ja) * 1993-12-14 1999-11-22 日本電気株式会社 音声符号化装置
US5457684A (en) * 1993-12-21 1995-10-10 At&T Ipm Corp. Delay-less signal processing arrangement for use in an ATM network
JP2697642B2 (ja) * 1994-11-24 1998-01-14 日本電気株式会社 Ａｔｍ音声符号化装置
CN113508520A (zh) 2019-03-11 2021-10-15 三菱电机株式会社 转换器装置、马达驱动装置以及空气调节机

Also Published As

Publication number Publication date
EP0820052B1 (fr) 2004-09-01
EP1453231A1 (fr) 2004-09-01
US5873058A (en) 1999-02-16
DE69730473T2 (de) 2005-09-15
IL120523A0 (en) 1997-07-13
EP0820052A3 (fr) 2000-04-19
JPH09321783A (ja) 1997-12-12
EP0820052A2 (fr) 1998-01-21
JP3157116B2 (ja) 2001-04-16
DE69730473D1 (de) 2004-10-07

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees