BR0012539A - Método e equipamento para prover realimentação do decodificador para codificador para melhorar o desempenho em um codificador de fala preditivo sob condições de apagamento de frame - Google Patents

Método e equipamento para prover realimentação do decodificador para codificador para melhorar o desempenho em um codificador de fala preditivo sob condições de apagamento de frame

Info

Publication number
BR0012539A
BR0012539A BR0012539-3A BR0012539A BR0012539A BR 0012539 A BR0012539 A BR 0012539A BR 0012539 A BR0012539 A BR 0012539A BR 0012539 A BR0012539 A BR 0012539A
Authority
BR
Brazil
Prior art keywords
encoder
speech coder
decoder
improve performance
encoding format
Prior art date
Application number
BR0012539-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Sharath Manjunath
Andrew P Dejaco
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR0012539A publication Critical patent/BR0012539A/pt

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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
BR0012539-3A 1999-07-19 2000-07-19 Método e equipamento para prover realimentação do decodificador para codificador para melhorar o desempenho em um codificador de fala preditivo sob condições de apagamento de frame BR0012539A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/356,860 US6324503B1 (en) 1999-07-19 1999-07-19 Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions
PCT/US2000/019671 WO2001006491A1 (en) 1999-07-19 2000-07-19 Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions

Publications (1)

Publication Number Publication Date
BR0012539A true BR0012539A (pt) 2002-07-23

Family

ID=23403267

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012539-3A BR0012539A (pt) 1999-07-19 2000-07-19 Método e equipamento para prover realimentação do decodificador para codificador para melhorar o desempenho em um codificador de fala preditivo sob condições de apagamento de frame

Country Status (12)

Country Link
US (1) US6324503B1 (https=)
EP (1) EP1204967B1 (https=)
JP (1) JP4842472B2 (https=)
KR (1) KR20020013962A (https=)
CN (1) CN1148721C (https=)
AT (1) ATE312399T1 (https=)
AU (1) AU6354500A (https=)
BR (1) BR0012539A (https=)
DE (1) DE60028579T2 (https=)
ES (1) ES2257307T3 (https=)
HK (1) HK1045398B (https=)
WO (1) WO2001006491A1 (https=)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6765904B1 (en) 1999-08-10 2004-07-20 Texas Instruments Incorporated Packet networks
JP2000244384A (ja) * 1999-02-18 2000-09-08 Mitsubishi Electric Corp 移動通信端末装置及び移動通信端末装置における音声符号化レート決定方法
US6954727B1 (en) * 1999-05-28 2005-10-11 Koninklijke Philips Electronics N.V. Reducing artifact generation in a vocoder
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
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
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
US6438518B1 (en) * 1999-10-28 2002-08-20 Qualcomm Incorporated Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions
US6549886B1 (en) * 1999-11-03 2003-04-15 Nokia Ip Inc. System for lost packet recovery in voice over internet protocol based on time domain interpolation
US7254120B2 (en) * 1999-12-09 2007-08-07 Broadcom Corporation Data rate controller
US7574351B2 (en) * 1999-12-14 2009-08-11 Texas Instruments Incorporated Arranging CELP information of one frame in a second packet
US6745012B1 (en) * 2000-11-17 2004-06-01 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive data compression in a wireless telecommunications system
JP2004515118A (ja) * 2000-11-21 2004-05-20 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 再同期のための不良フレームインジケータ手段を有する通信システム
US6839862B2 (en) * 2001-05-31 2005-01-04 Koninklijke Philips Electronics N.V. Parallel data communication having skew intolerant data groups
US7477876B2 (en) * 2001-11-02 2009-01-13 Alcatel-Lucent Usa Inc. Variable rate channel quality feedback in a wireless communication system
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
KR101203348B1 (ko) * 2005-01-31 2012-11-20 스카이프 가중 오버랩 애드 방법
JP2007013871A (ja) * 2005-07-04 2007-01-18 Toshiba Corp 無線通信システムおよびこの無線通信システムに用いられる復号装置
US7734469B1 (en) * 2005-12-22 2010-06-08 Mindspeed Technologies, Inc. Density measurement method and system for VoIP devices
CN101561791B (zh) * 2008-04-18 2010-09-29 中兴通讯股份有限公司 一种帧宽度可扩展的同步串行接口装置
KR200449479Y1 (ko) * 2010-03-23 2010-07-13 최창묵 시계 수리용 트위저
US9842598B2 (en) * 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
US9812144B2 (en) * 2013-04-25 2017-11-07 Nokia Solutions And Networks Oy Speech transcoding in packet networks
US10993087B1 (en) 2019-12-03 2021-04-27 Motorola Solutions, Inc. Communication systems with call interrupt capabilities

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410986A (en) * 1981-04-16 1983-10-18 Bell Telephone Laboratories, Incorporated Error and status detection circuit for a digital regenerator using quantized feedback
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
JPS6444499A (en) * 1987-08-12 1989-02-16 Fujitsu Ltd Forecast encoding system for voice
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5568483A (en) * 1990-06-25 1996-10-22 Qualcomm Incorporated Method and apparatus for the formatting of data for transmission
DE69233794D1 (de) 1991-06-11 2010-09-23 Qualcomm Inc Vocoder mit veränderlicher Bitrate
JP3328945B2 (ja) * 1991-11-26 2002-09-30 松下電器産業株式会社 音声符号化装置、音声符号化方法及び音声復号化方法
DE69331166T2 (de) * 1992-02-03 2002-08-22 Koninklijke Philips Electronics N.V., Eindhoven Übertragung von digitalen Breitbandsignalen
JP3353852B2 (ja) * 1994-02-15 2002-12-03 日本電信電話株式会社 音声の符号化方法
US5784532A (en) 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
TW271524B (https=) 1994-08-05 1996-03-01 Qualcomm Inc
US5768527A (en) 1996-04-23 1998-06-16 Motorola, Inc. Device, system and method of real-time multimedia streaming
WO1998013941A1 (en) * 1996-09-25 1998-04-02 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
JPH10233728A (ja) * 1997-02-19 1998-09-02 Matsushita Electric Ind Co Ltd 無線電話装置
US6108374A (en) * 1997-08-25 2000-08-22 Lucent Technologies, Inc. System and method for measuring channel quality information
US6058107A (en) 1998-04-08 2000-05-02 Motorola, Inc. Method for updating forward power control in a communication system

Also Published As

Publication number Publication date
ES2257307T3 (es) 2006-08-01
AU6354500A (en) 2001-02-05
ATE312399T1 (de) 2005-12-15
CN1361911A (zh) 2002-07-31
HK1045398A1 (en) 2002-11-22
DE60028579T2 (de) 2006-09-28
US6324503B1 (en) 2001-11-27
CN1148721C (zh) 2004-05-05
HK1045398B (zh) 2005-03-04
EP1204967A1 (en) 2002-05-15
JP2003524939A (ja) 2003-08-19
WO2001006491A1 (en) 2001-01-25
JP4842472B2 (ja) 2011-12-21
KR20020013962A (ko) 2002-02-21
DE60028579D1 (de) 2006-07-20
EP1204967B1 (en) 2005-12-07

Similar Documents

Publication Publication Date Title
BR0012539A (pt) Método e equipamento para prover realimentação do decodificador para codificador para melhorar o desempenho em um codificador de fala preditivo sob condições de apagamento de frame
BRPI0516632A (pt) correção de erros antecipada e adaptativa
BR0110175A (pt) Método e equipamento paara redução de latência de voz em um sistema de comunicação sem fio do tipo voz-sobre-dados
FI20001577A7 (fi) Puheenkoodaus
BR0011508A (pt) Sistema de codificação de fala, e, processo para usar um codificador de fala em um sistema de telecomunicação celular digital
DE60132217D1 (de) Übertragungsfehler-verdeckung in einem audiosignal
ATE47948T1 (de) Cellulares stimme- und datenfunkfernuebertragungssystem.
AU7830300A (en) Lpc-harmonic vocoder with superframe structure
CA2335005A1 (en) Method and apparatus for performing packet loss or frame erasure concealment
EP3461200A1 (en) Wireless communication method and device
ES2189382T3 (es) Metodo de decodificacion, unidad de procesado de codificacion de voz y elemento de red.
DE60219907D1 (de) Testschleifen für kanal-kodierer/-dekodierer
CY1107647T1 (el) Συστημα επικοινωνιας
EP1840876A3 (en) Method and apparatus for reducing undesired packet generation
BR0002081A (pt) Método para determinar o escalonamento compensado de um quantificador em um processo de codificação/decodificação de uma transmissão do tipo vbd, aparelho de telecomunicações e estação digital de telecomunicações e sistema de comunicação digital
TW200515372A (en) Method and system for speech coding
BRPI0409553A (pt) método e aparelho para sistema de comunicação celular com espectro compatìvel
AU2003250259A1 (en) Method and arrangement for encoding or decoding a sequence of digital data
MXPA03008190A (es) Bucles de prueba codecs de canal.
SE9800219D0 (sv) Sätt och anordning vid telekommunikationssystem
EA200401372A1 (ru) Способ и устройство для сигнальных тонов по сети с пакетной коммутацией
WO1998004046A3 (en) Enhanced encoding of dtmf and other signalling tones
EP1107480A3 (en) System and method to reduce speech delay and improve voice quality using half speech blocks
DE50213814D1 (de) Empfangsschaltung und Verfahren zum Empfang von codierten Nachrichtensignalen
DK0654194T3 (da) Fremgangsmåde til taledekodning samt en taledekoder

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 12A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2162 DE 12/06/2012.