IT9068029A0 - Sistema di codifica del segnale vocale con sottocodice annidato - Google Patents

Sistema di codifica del segnale vocale con sottocodice annidato

Info

Publication number
IT9068029A0
IT9068029A0 IT9068029A IT6802990A IT9068029A0 IT 9068029 A0 IT9068029 A0 IT 9068029A0 IT 9068029 A IT9068029 A IT 9068029A IT 6802990 A IT6802990 A IT 6802990A IT 9068029 A0 IT9068029 A0 IT 9068029A0
Authority
IT
Italy
Prior art keywords
subcode
nested
voice signal
coding system
signal coding
Prior art date
Application number
IT9068029A
Other languages
English (en)
Other versions
IT1241358B (it
IT9068029A1 (it
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
Publication of IT9068029A0 publication Critical patent/IT9068029A0/it
Priority to IT68029A priority Critical patent/IT1241358B/it
Priority to US07/803,484 priority patent/US5353373A/en
Priority to JP3350519A priority patent/JP2832871B2/ja
Priority to CA002057384A priority patent/CA2057384C/en
Priority to DE199191121836T priority patent/DE492459T1/de
Priority to EP91121836A priority patent/EP0492459B1/en
Priority to ES91121836T priority patent/ES2038106T3/es
Priority to DE69126195T priority patent/DE69126195T2/de
Priority to AT91121836T priority patent/ATE153470T1/de
Publication of IT9068029A1 publication Critical patent/IT9068029A1/it
Priority to GR930300034T priority patent/GR930300034T1/el
Application granted granted Critical
Publication of IT1241358B publication Critical patent/IT1241358B/it
Priority to US08/197,129 priority patent/US5469527A/en
Priority to GR970402114T priority patent/GR3024475T3/el

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
IT68029A 1990-12-20 1990-12-20 Sistema di codifica del segnale vocale con sottocodice annidato IT1241358B (it)

Priority Applications (12)

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
US07/803,484 US5353373A (en) 1990-12-20 1991-12-04 System for embedded coding of speech signals
JP3350519A JP2832871B2 (ja) 1990-12-20 1991-12-11 音声信号の組み込み式コード化システム
CA002057384A CA2057384C (en) 1990-12-20 1991-12-11 System for embedded coding of speech signals
ES91121836T ES2038106T3 (es) 1990-12-20 1991-12-19 Sistema para codificacion integrada de señales vocales.
EP91121836A EP0492459B1 (en) 1990-12-20 1991-12-19 System for embedded coding of speech signals
DE199191121836T DE492459T1 (de) 1990-12-20 1991-12-19 System fuer eingebettetes kodieren von sprachsignalen.
DE69126195T DE69126195T2 (de) 1990-12-20 1991-12-19 System für eingebettetes Kodieren von Sprachsignalen
AT91121836T ATE153470T1 (de) 1990-12-20 1991-12-19 System für eingebettetes kodieren von sprachsignalen
GR930300034T GR930300034T1 (en) 1990-12-20 1993-06-07 System for embedded coding of speech signals
US08/197,129 US5469527A (en) 1990-12-20 1994-02-16 Method of and device for coding speech signals with analysis-by-synthesis techniques
GR970402114T GR3024475T3 (en) 1990-12-20 1997-08-19 System for embedded coding of speech signals

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 (3)

Publication Number Publication Date
IT9068029A0 true IT9068029A0 (it) 1990-12-20
IT9068029A1 IT9068029A1 (it) 1992-06-21
IT1241358B IT1241358B (it) 1994-01-10

Family

ID=11307315

Family Applications (1)

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

Country Status (9)

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

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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.
SG43128A1 (en) * 1993-06-10 1997-10-17 Oki Electric Ind Co Ltd Code excitation linear predictive (celp) encoder and decoder
US5621852A (en) 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis 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
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
US6765904B1 (en) 1999-08-10 2004-07-20 Texas Instruments Incorporated Packet networks
SE9601606D0 (sv) 1996-04-26 1996-04-26 Ericsson Telefon Ab L M Sätt vid radiotelekommunikationssystem
EP0895672B1 (en) * 1997-02-10 2006-11-22 Koninklijke Philips Electronics N.V. Communication network for transmitting speech signals
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
US6801499B1 (en) * 1999-08-10 2004-10-05 Texas Instruments Incorporated Diversity schemes for packet communications
US6757256B1 (en) 1999-08-10 2004-06-29 Texas Instruments Incorporated Process of sending packets of real-time information
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
US6744757B1 (en) 1999-08-10 2004-06-01 Texas Instruments Incorporated Private branch exchange systems for packet communications
US6678267B1 (en) 1999-08-10 2004-01-13 Texas Instruments Incorporated Wireless telephone with excitation reconstruction of lost packet
WO2001041124A2 (en) * 1999-12-01 2001-06-07 Koninklijke Philips Electronics N.V. Method of and system for coding and decoding sound signals
US7574351B2 (en) * 1999-12-14 2009-08-11 Texas Instruments Incorporated Arranging CELP information of one frame in a second packet
EP1199812A1 (en) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Perceptually improved encoding of acoustic signals
US7339605B2 (en) 2004-04-16 2008-03-04 Polycom, Inc. Conference link between a speakerphone and a video conference unit
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
US8977683B2 (en) * 2000-12-26 2015-03-10 Polycom, Inc. Speakerphone transmitting password information to a remote device
US8964604B2 (en) 2000-12-26 2015-02-24 Polycom, Inc. Conference endpoint instructing conference bridge to dial phone number
US9001702B2 (en) 2000-12-26 2015-04-07 Polycom, Inc. Speakerphone using a secure audio connection to initiate a second secure connection
US8934382B2 (en) 2001-05-10 2015-01-13 Polycom, Inc. Conference endpoint controlling functions of a remote device
US8976712B2 (en) 2001-05-10 2015-03-10 Polycom, Inc. Speakerphone and conference bridge which request and perform polling operations
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
US7978838B2 (en) 2001-12-31 2011-07-12 Polycom, Inc. Conference endpoint instructing conference bridge to mute participants
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
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
US8144854B2 (en) * 2001-12-31 2012-03-27 Polycom Inc. Conference bridge which detects control information embedded in audio information to prioritize operations
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
US8705719B2 (en) 2001-12-31 2014-04-22 Polycom, Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US7742588B2 (en) * 2001-12-31 2010-06-22 Polycom, Inc. Speakerphone establishing and using a second connection of graphics information
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
JP4744438B2 (ja) * 2004-03-05 2011-08-10 パナソニック株式会社 エラー隠蔽装置およびエラー隠蔽方法
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
US7796565B2 (en) * 2005-06-08 2010-09-14 Polycom, Inc. Mixed voice and spread spectrum data signaling with multiplexing multiple users with CDMA
US8126029B2 (en) * 2005-06-08 2012-02-28 Polycom, Inc. Voice interference correction for mixed voice and spread spectrum data signaling
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
EP0492459A2 (en) 1992-07-01
US5469527A (en) 1995-11-21
IT1241358B (it) 1994-01-10
EP0492459A3 (en) 1993-02-03
ATE153470T1 (de) 1997-06-15
US5353373A (en) 1994-10-04
EP0492459B1 (en) 1997-05-21
CA2057384C (en) 1996-09-17
IT9068029A1 (it) 1992-06-21
JP2832871B2 (ja) 1998-12-09
DE69126195T2 (de) 1997-11-06
DE492459T1 (de) 1993-06-09
CA2057384A1 (en) 1992-06-21
ES2038106T3 (es) 1997-07-01
GR3024475T3 (en) 1997-11-28
DE69126195D1 (de) 1997-06-26
ES2038106T1 (es) 1993-07-16
GR930300034T1 (en) 1993-06-07
JPH0728495A (ja) 1995-01-31

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Legal Events

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971124