ATE153470T1 - System für eingebettetes kodieren von sprachsignalen - Google Patents

System für eingebettetes kodieren von sprachsignalen

Info

Publication number
ATE153470T1
ATE153470T1 AT91121836T AT91121836T ATE153470T1 AT E153470 T1 ATE153470 T1 AT E153470T1 AT 91121836 T AT91121836 T AT 91121836T AT 91121836 T AT91121836 T AT 91121836T AT E153470 T1 ATE153470 T1 AT E153470T1
Authority
AT
Austria
Prior art keywords
contribution
voice signals
rate
subsets
whilst
Prior art date
Application number
AT91121836T
Other languages
English (en)
Inventor
De Iacovo Rosario Drogo
Roberto Montagna
Daniele Sereno
Original Assignee
Sip
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 Sip filed Critical Sip
Application granted granted Critical
Publication of ATE153470T1 publication Critical patent/ATE153470T1/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
AT91121836T 1990-12-20 1991-12-19 System für eingebettetes kodieren von sprachsignalen ATE153470T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68029A IT1241358B (it) 1990-12-20 1990-12-20 Sistema di codifica del segnale vocale con sottocodice annidato

Publications (1)

Publication Number Publication Date
ATE153470T1 true ATE153470T1 (de) 1997-06-15

Family

ID=11307315

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91121836T ATE153470T1 (de) 1990-12-20 1991-12-19 System für eingebettetes kodieren von sprachsignalen

Country Status (9)

Country Link
US (2) US5353373A (de)
EP (1) EP0492459B1 (de)
JP (1) JP2832871B2 (de)
AT (1) ATE153470T1 (de)
CA (1) CA2057384C (de)
DE (2) DE69126195T2 (de)
ES (1) ES2038106T3 (de)
GR (2) GR930300034T1 (de)
IT (1) IT1241358B (de)

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IT1241358B (it) * 1990-12-20 1994-01-10 Sip Sistema di codifica del segnale vocale con sottocodice annidato
IT1257065B (it) * 1992-07-31 1996-01-05 Sip Codificatore a basso ritardo per segnali audio, utilizzante tecniche di analisi per sintesi.
FR2700632B1 (fr) * 1993-01-21 1995-03-24 France Telecom Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués.
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US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
US5699478A (en) * 1995-03-10 1997-12-16 Lucent Technologies Inc. Frame erasure compensation technique
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system
US5668925A (en) * 1995-06-01 1997-09-16 Martin Marietta Corporation Low data rate speech encoder with mixed excitation
US5649051A (en) * 1995-06-01 1997-07-15 Rothweiler; Joseph Harvey Constant data rate speech encoder for limited bandwidth path
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
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IT1281001B1 (it) * 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
US6240384B1 (en) 1995-12-04 2001-05-29 Kabushiki Kaisha Toshiba Speech synthesis method
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JP2000512036A (ja) * 1997-02-10 2000-09-12 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 音声信号を伝送する通信回路網
JP3134817B2 (ja) 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
US6182030B1 (en) * 1998-12-18 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced coding to improve coded communication signals
US6744757B1 (en) 1999-08-10 2004-06-01 Texas Instruments Incorporated Private branch exchange systems for packet communications
US6757256B1 (en) 1999-08-10 2004-06-29 Texas Instruments Incorporated Process of sending packets of real-time information
US6801499B1 (en) * 1999-08-10 2004-10-05 Texas Instruments Incorporated Diversity schemes for packet communications
US6801532B1 (en) * 1999-08-10 2004-10-05 Texas Instruments Incorporated Packet reconstruction processes for packet communications
US6804244B1 (en) 1999-08-10 2004-10-12 Texas Instruments Incorporated Integrated circuits for packet communications
US6678267B1 (en) 1999-08-10 2004-01-13 Texas Instruments Incorporated Wireless telephone with excitation reconstruction of lost packet
KR20010101924A (ko) * 1999-12-01 2001-11-15 요트.게.아. 롤페즈 사운드 신호들을 코딩하고 디코딩하는 방법 및 시스템
US7574351B2 (en) * 1999-12-14 2009-08-11 Texas Instruments Incorporated Arranging CELP information of one frame in a second packet
EP1199812A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Kodierung der akustischen Signale mit Verbesserung der Wahrnehmung
US8948059B2 (en) 2000-12-26 2015-02-03 Polycom, Inc. Conference endpoint controlling audio volume of a remote device
US7864938B2 (en) 2000-12-26 2011-01-04 Polycom, Inc. Speakerphone transmitting URL information to a remote device
US8964604B2 (en) 2000-12-26 2015-02-24 Polycom, Inc. Conference endpoint instructing conference bridge to dial phone number
US7339605B2 (en) 2004-04-16 2008-03-04 Polycom, Inc. Conference link between a speakerphone and a video conference unit
US8977683B2 (en) * 2000-12-26 2015-03-10 Polycom, Inc. Speakerphone transmitting password information to a remote device
US9001702B2 (en) 2000-12-26 2015-04-07 Polycom, Inc. Speakerphone using a secure audio connection to initiate a second secure connection
JP4231698B2 (ja) 2001-05-10 2009-03-04 ポリコム イスラエル リミテッド 多地点マルチメディア／音声システムの制御ユニット
US8976712B2 (en) 2001-05-10 2015-03-10 Polycom, Inc. Speakerphone and conference bridge which request and perform polling operations
US8934382B2 (en) 2001-05-10 2015-01-13 Polycom, Inc. Conference endpoint controlling functions of a remote device
JP3666430B2 (ja) * 2001-09-04 2005-06-29 ソニー株式会社 情報送信装置及び情報送信方法、並びに情報受信装置及び情報受信方法
US7978838B2 (en) 2001-12-31 2011-07-12 Polycom, Inc. Conference endpoint instructing conference bridge to mute participants
US8705719B2 (en) 2001-12-31 2014-04-22 Polycom, Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US8102984B2 (en) * 2001-12-31 2012-01-24 Polycom Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US8934381B2 (en) * 2001-12-31 2015-01-13 Polycom, Inc. Conference endpoint instructing a remote device to establish a new connection
US8947487B2 (en) 2001-12-31 2015-02-03 Polycom, Inc. Method and apparatus for combining speakerphone and video conference unit operations
US7742588B2 (en) * 2001-12-31 2010-06-22 Polycom, Inc. Speakerphone establishing and using a second connection of graphics information
US8885523B2 (en) 2001-12-31 2014-11-11 Polycom, Inc. Speakerphone transmitting control information embedded in audio information through a conference bridge
US8223942B2 (en) * 2001-12-31 2012-07-17 Polycom, Inc. Conference endpoint requesting and receiving billing information from a conference bridge
US7787605B2 (en) 2001-12-31 2010-08-31 Polycom, Inc. Conference bridge which decodes and responds to control information embedded in audio information
US8144854B2 (en) * 2001-12-31 2012-03-27 Polycom Inc. Conference bridge which detects control information embedded in audio information to prioritize operations
CA2392640A1 (en) * 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
US7047188B2 (en) * 2002-11-08 2006-05-16 Motorola, Inc. Method and apparatus for improvement coding of the subframe gain in a speech coding system
EP1722359B1 (de) * 2004-03-05 2011-09-07 Panasonic Corporation Fehlerverbergungseinrichtung und fehlerverbergungsverfahren
JP4771674B2 (ja) * 2004-09-02 2011-09-14 パナソニック株式会社 音声符号化装置、音声復号化装置及びこれらの方法
US8126029B2 (en) * 2005-06-08 2012-02-28 Polycom, Inc. Voice interference correction for mixed voice and spread spectrum data signaling
US7796565B2 (en) * 2005-06-08 2010-09-14 Polycom, Inc. Mixed voice and spread spectrum data signaling with multiplexing multiple users with CDMA
US8199791B2 (en) * 2005-06-08 2012-06-12 Polycom, Inc. Mixed voice and spread spectrum data signaling with enhanced concealment of data
JPWO2007043643A1 (ja) * 2005-10-14 2009-04-16 パナソニック株式会社 音声符号化装置、音声復号装置、音声符号化方法、及び音声復号化方法
CN101000768B (zh) * 2006-06-21 2010-12-08 北京工业大学 嵌入式语音编解码的方法及编解码器

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US4790016A (en) * 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US4852179A (en) * 1987-10-05 1989-07-25 Motorola, Inc. Variable frame rate, fixed bit rate vocoding method
US4817157A (en) * 1988-01-07 1989-03-28 Motorola, Inc. Digital speech coder having improved vector excitation source
JPH01233499A (ja) * 1988-03-14 1989-09-19 Nec Corp 音声信号符号化復号化方法及びその装置
IL94119A (en) * 1989-06-23 1996-06-18 Motorola Inc Digital voice recorder
IL95753A (en) * 1989-10-17 1994-11-11 Motorola Inc Digits a digital speech
IT1241358B (it) * 1990-12-20 1994-01-10 Sip Sistema di codifica del segnale vocale con sottocodice annidato
US5185796A (en) * 1991-05-30 1993-02-09 Motorola, Inc. Encryption synchronization combined with encryption key identification

Also Published As

Publication number Publication date
CA2057384A1 (en) 1992-06-21
GR930300034T1 (en) 1993-06-07
EP0492459A2 (de) 1992-07-01
DE492459T1 (de) 1993-06-09
US5469527A (en) 1995-11-21
ES2038106T1 (es) 1993-07-16
ES2038106T3 (es) 1997-07-01
IT1241358B (it) 1994-01-10
JP2832871B2 (ja) 1998-12-09
JPH0728495A (ja) 1995-01-31
EP0492459B1 (de) 1997-05-21
EP0492459A3 (en) 1993-02-03
DE69126195T2 (de) 1997-11-06
IT9068029A0 (it) 1990-12-20
IT9068029A1 (it) 1992-06-21
US5353373A (en) 1994-10-04
GR3024475T3 (en) 1997-11-28
DE69126195D1 (de) 1997-06-26
CA2057384C (en) 1996-09-17

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
EELA Cancelled due to lapse of time