DE69126195D1 - System für eingebettetes Kodieren von Sprachsignalen - Google Patents

System für eingebettetes Kodieren von Sprachsignalen

Info

Publication number
DE69126195D1
DE69126195D1 DE69126195T DE69126195T DE69126195D1 DE 69126195 D1 DE69126195 D1 DE 69126195D1 DE 69126195 T DE69126195 T DE 69126195T DE 69126195 T DE69126195 T DE 69126195T DE 69126195 D1 DE69126195 D1 DE 69126195D1
Authority
DE
Germany
Prior art keywords
contribution
speech signals
rate
subsets
whilst
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.)
Expired - Lifetime
Application number
DE69126195T
Other languages
English (en)
Other versions
DE69126195T2 (de
Inventor
De Iacovo Rosario Drogo
Roberto Montagna
Daniele Sereno
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.)
Telecom Italia Mobile SpA
Original Assignee
SIP SAS
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 SAS filed Critical SIP SAS
Publication of DE69126195D1 publication Critical patent/DE69126195D1/de
Application granted granted Critical
Publication of DE69126195T2 publication Critical patent/DE69126195T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE69126195T 1990-12-20 1991-12-19 System für eingebettetes Kodieren von Sprachsignalen Expired - Lifetime DE69126195T2 (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 (2)

Publication Number Publication Date
DE69126195D1 true DE69126195D1 (de) 1997-06-26
DE69126195T2 DE69126195T2 (de) 1997-11-06

Family

ID=11307315

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69126195T Expired - Lifetime DE69126195T2 (de) 1990-12-20 1991-12-19 System für eingebettetes Kodieren von Sprachsignalen
DE199191121836T Pending DE492459T1 (de) 1990-12-20 1991-12-19 System fuer eingebettetes kodieren von sprachsignalen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE199191121836T Pending DE492459T1 (de) 1990-12-20 1991-12-19 System fuer 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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IT1257065B (it) * 1992-07-31 1996-01-05 Sip Codificatore a basso ritardo per segnali audio, utilizzante tecniche di analisi per sintesi.
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US5621852A (en) * 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
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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
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JP2861889B2 (ja) * 1995-10-18 1999-02-24 日本電気株式会社 音声パケット伝送システム
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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SE9601606D0 (sv) * 1996-04-26 1996-04-26 Ericsson Telefon Ab L M Sätt vid radiotelekommunikationssystem
DE69836454T2 (de) * 1997-02-10 2007-10-04 Koninklijke Philips Electronics N.V. Kommunikationsnetzwerk zur übertragung von sprachsignalen
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
US6804244B1 (en) 1999-08-10 2004-10-12 Texas Instruments Incorporated Integrated circuits for packet communications
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
US6678267B1 (en) 1999-08-10 2004-01-13 Texas Instruments Incorporated Wireless telephone with excitation reconstruction of lost packet
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
DE60025219T2 (de) * 1999-12-01 2006-08-24 Koninklijke Philips Electronics N.V. System zur aufzeichnung und wiedergabe von tonsignalen
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
US9001702B2 (en) 2000-12-26 2015-04-07 Polycom, Inc. Speakerphone using a secure audio connection to initiate a second secure connection
US8948059B2 (en) 2000-12-26 2015-02-03 Polycom, Inc. Conference endpoint controlling audio volume of a remote device
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
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
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
AU2002258135A1 (en) 2001-05-10 2002-11-18 Polycom Israel Ltd. Control unit for multipoint multimedia/audio system
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
US8144854B2 (en) * 2001-12-31 2012-03-27 Polycom Inc. Conference bridge which detects control information embedded in audio information to prioritize operations
US7787605B2 (en) 2001-12-31 2010-08-31 Polycom, Inc. Conference bridge which decodes and responds to control information embedded in audio information
US8102984B2 (en) * 2001-12-31 2012-01-24 Polycom Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US8705719B2 (en) 2001-12-31 2014-04-22 Polycom, Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US8223942B2 (en) * 2001-12-31 2012-07-17 Polycom, Inc. Conference endpoint requesting and receiving billing information from a conference bridge
US8947487B2 (en) 2001-12-31 2015-02-03 Polycom, Inc. Method and apparatus for combining speakerphone and video conference unit operations
US8885523B2 (en) 2001-12-31 2014-11-11 Polycom, Inc. Speakerphone transmitting control information embedded in audio information through a conference bridge
US7742588B2 (en) * 2001-12-31 2010-06-22 Polycom, Inc. Speakerphone establishing and using a second connection of graphics information
US7978838B2 (en) 2001-12-31 2011-07-12 Polycom, Inc. Conference endpoint instructing conference bridge to mute participants
US8934381B2 (en) * 2001-12-31 2015-01-13 Polycom, Inc. Conference endpoint instructing a remote device to establish a new connection
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
US7809556B2 (en) * 2004-03-05 2010-10-05 Panasonic Corporation Error conceal device and error conceal method
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
US8199791B2 (en) * 2005-06-08 2012-06-12 Polycom, Inc. Mixed voice and spread spectrum data signaling with enhanced concealment of data
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
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
DE492459T1 (de) 1993-06-09
CA2057384A1 (en) 1992-06-21
IT9068029A0 (it) 1990-12-20
JP2832871B2 (ja) 1998-12-09
ES2038106T3 (es) 1997-07-01
IT1241358B (it) 1994-01-10
ES2038106T1 (es) 1993-07-16
EP0492459B1 (de) 1997-05-21
JPH0728495A (ja) 1995-01-31
GR3024475T3 (en) 1997-11-28
ATE153470T1 (de) 1997-06-15
EP0492459A3 (en) 1993-02-03
GR930300034T1 (en) 1993-06-07
IT9068029A1 (it) 1992-06-21
EP0492459A2 (de) 1992-07-01
DE69126195T2 (de) 1997-11-06
US5353373A (en) 1994-10-04
CA2057384C (en) 1996-09-17
US5469527A (en) 1995-11-21

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: TELECOM ITALIA MOBILE S.P.A., TURIN/TORINO, IT

8364 No opposition during term of opposition