FI925376A0 - Förfarande för effektiv kodning av en talsignal - Google Patents

Förfarande för effektiv kodning av en talsignal

Info

Publication number
FI925376A0
FI925376A0 FI925376A FI925376A FI925376A0 FI 925376 A0 FI925376 A0 FI 925376A0 FI 925376 A FI925376 A FI 925376A FI 925376 A FI925376 A FI 925376A FI 925376 A0 FI925376 A0 FI 925376A0
Authority
FI
Finland
Prior art keywords
speech signal
efficient coding
coding
efficient
speech
Prior art date
Application number
FI925376A
Other languages
English (en)
Finnish (fi)
Other versions
FI925376A (sv
FI95086C (sv
FI95086B (sv
Inventor
Kari Jaervinen
Olli Ali-Yrkkoe
Original Assignee
Nokia Mobile Phones Ltd
Nokia Telecommunications Oy
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 Nokia Mobile Phones Ltd, Nokia Telecommunications Oy filed Critical Nokia Mobile Phones Ltd
Priority to FI925376A priority Critical patent/FI95086C/sv
Publication of FI925376A0 publication Critical patent/FI925376A0/sv
Priority to US08/155,574 priority patent/US5596677A/en
Priority to DE69325237T priority patent/DE69325237T2/de
Priority to EP93309264A priority patent/EP0599569B1/en
Priority to AU51897/93A priority patent/AU665283B2/en
Priority to JP5296618A priority patent/JPH06222798A/ja
Publication of FI925376A publication Critical patent/FI925376A/sv
Application granted granted Critical
Publication of FI95086B publication Critical patent/FI95086B/sv
Publication of FI95086C publication Critical patent/FI95086C/sv

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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L2019/0002—Codebook adaptations
FI925376A 1992-11-26 1992-11-26 Förfarande för effektiv kodning av en talsignal FI95086C (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI925376A FI95086C (sv) 1992-11-26 1992-11-26 Förfarande för effektiv kodning av en talsignal
US08/155,574 US5596677A (en) 1992-11-26 1993-11-19 Methods and apparatus for coding a speech signal using variable order filtering
DE69325237T DE69325237T2 (de) 1992-11-26 1993-11-22 Verfahren zum Kodieren eines Sprachsignales
EP93309264A EP0599569B1 (en) 1992-11-26 1993-11-22 A method of coding a speech signal
AU51897/93A AU665283B2 (en) 1992-11-26 1993-11-25 A method for the efficient coding of a speech signal
JP5296618A JPH06222798A (ja) 1992-11-26 1993-11-26 音声信号を効率的に符号化するための方法及びこの方法を用いる符号器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI925376A FI95086C (sv) 1992-11-26 1992-11-26 Förfarande för effektiv kodning av en talsignal
FI925376 1992-11-26

Publications (4)

Publication Number Publication Date
FI925376A0 true FI925376A0 (sv) 1992-11-26
FI925376A FI925376A (sv) 1994-05-27
FI95086B FI95086B (sv) 1995-08-31
FI95086C FI95086C (sv) 1995-12-11

Family

ID=8536280

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925376A FI95086C (sv) 1992-11-26 1992-11-26 Förfarande för effektiv kodning av en talsignal

Country Status (6)

Country Link
US (1) US5596677A (sv)
EP (1) EP0599569B1 (sv)
JP (1) JPH06222798A (sv)
AU (1) AU665283B2 (sv)
DE (1) DE69325237T2 (sv)
FI (1) FI95086C (sv)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
JP2993396B2 (ja) * 1995-05-12 1999-12-20 三菱電機株式会社 音声加工フィルタ及び音声合成装置
JPH11502326A (ja) * 1996-01-04 1999-02-23 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 人間の音声を符号化し引き続きそれを再生するための方法及びシステム
US6170073B1 (en) 1996-03-29 2001-01-02 Nokia Mobile Phones (Uk) Limited Method and apparatus for error detection in digital communications
US5799272A (en) * 1996-07-01 1998-08-25 Ess Technology, Inc. Switched multiple sequence excitation model for low bit rate speech compression
GB2317788B (en) 1996-09-26 2001-08-01 Nokia Mobile Phones Ltd Communication device
GB2318029B (en) * 1996-10-01 2000-11-08 Nokia Mobile Phones Ltd Audio coding method and apparatus
FI112894B (sv) 1997-04-10 2004-01-30 Nokia Corp Förfarande för att minska sannolikheten av ramfel i dataöverföring i form av dataramar
FI102647B (sv) * 1997-04-22 1999-01-15 Nokia Mobile Phones Ltd Programmerbar förstärkare
US6286122B1 (en) 1997-07-03 2001-09-04 Nokia Mobile Phones Limited Method and apparatus for transmitting DTX—low state information from mobile station to base station
US5966688A (en) * 1997-10-28 1999-10-12 Hughes Electronics Corporation Speech mode based multi-stage vector quantizer
US5999897A (en) * 1997-11-14 1999-12-07 Comsat Corporation Method and apparatus for pitch estimation using perception based analysis by synthesis
US6012025A (en) * 1998-01-28 2000-01-04 Nokia Mobile Phones Limited Audio coding method and apparatus using backward adaptive prediction
US6799159B2 (en) 1998-02-02 2004-09-28 Motorola, Inc. Method and apparatus employing a vocoder for speech processing
FI105634B (sv) 1998-04-30 2000-09-15 Nokia Mobile Phones Ltd Förfarande för överföring av videobilder, dataöverföringssystem och multimediadataterminal
FI981508A (sv) 1998-06-30 1999-12-31 Nokia Mobile Phones Ltd Förfarande, anordning och system för bedömning av en användares tillst ånd
GB9817292D0 (en) 1998-08-07 1998-10-07 Nokia Mobile Phones Ltd Digital video coding
FI105635B (sv) 1998-09-01 2000-09-15 Nokia Mobile Phones Ltd Förfarande för att överföra bakgrundsbrusinformation vid dataöverföring i dataramer
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
FI116992B (sv) * 1999-07-05 2006-04-28 Nokia Corp Förfaranden, system och anordning för effektivisering av kodning och överföring av audiosignal
DE60326491D1 (de) * 2002-11-21 2009-04-16 Nippon Telegraph & Telephone Verfahren zur digitalen signalverarbeitung, prozessor dafür, programm dafür und das programm enthaltendesaufzeichnungsmedium
CN101009097B (zh) * 2007-01-26 2010-11-10 清华大学 1.2kb/s SELP低速率声码器抗信道误码保护方法
US8831081B2 (en) * 2010-09-01 2014-09-09 Nec Corporation Digital filter device, digital filtering method and control program for the digital filter device
US8873615B2 (en) * 2012-09-19 2014-10-28 Avago Technologies General Ip (Singapore) Pte. Ltd. Method and controller for equalizing a received serial data stream
US10251002B2 (en) * 2016-03-21 2019-04-02 Starkey Laboratories, Inc. Noise characterization and attenuation using linear predictive coding

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3266042D1 (en) * 1981-09-24 1985-10-10 Gretag Ag Method and apparatus for reduced redundancy digital speech processing
NL8400728A (nl) * 1984-03-07 1985-10-01 Philips Nv Digitale spraakcoder met basisband residucodering.
IT1195350B (it) * 1986-10-21 1988-10-12 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
EP0316112A3 (en) * 1987-11-05 1989-05-31 AT&T Corp. Use of instantaneous and transitional spectral information in speech recognizers
IT1224453B (it) * 1988-09-28 1990-10-04 Sip Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli
JP3033060B2 (ja) * 1988-12-22 2000-04-17 国際電信電話株式会社 音声予測符号化・復号化方式
CA2005115C (en) * 1989-01-17 1997-04-22 Juin-Hwey Chen Low-delay code-excited linear predictive coder for speech or audio
JPH02272500A (ja) * 1989-04-13 1990-11-07 Fujitsu Ltd コード駆動音声符号化方式
EP0422232B1 (en) * 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Voice encoder
DE68914147T2 (de) * 1989-06-07 1994-10-20 Ibm Sprachcodierer mit niedriger Datenrate und niedriger Verzögerung.
US5235669A (en) * 1990-06-29 1993-08-10 At&T Laboratories Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec
FI98104C (sv) * 1991-05-20 1997-04-10 Nokia Mobile Phones Ltd Förfaranden för generering av en exciteringsvektor och digital talkodare
EP1763020A3 (en) * 1991-06-11 2010-09-29 Qualcomm Incorporated Variable rate vocoder
SE469764B (sv) * 1992-01-27 1993-09-06 Ericsson Telefon Ab L M Saett att koda en samplad talsignalvektor
FI92535C (sv) * 1992-02-14 1994-11-25 Nokia Mobile Phones Ltd Brusdämpningssystem för talsignaler
FI90477C (sv) * 1992-03-23 1994-02-10 Nokia Mobile Phones Ltd En metod för förbättring av kvaliteten vid ett kodningssystem som använder lineär prognostisering

Also Published As

Publication number Publication date
JPH06222798A (ja) 1994-08-12
EP0599569A2 (en) 1994-06-01
DE69325237T2 (de) 1999-12-16
AU665283B2 (en) 1995-12-21
AU5189793A (en) 1994-06-09
FI925376A (sv) 1994-05-27
FI95086C (sv) 1995-12-11
FI95086B (sv) 1995-08-31
EP0599569A3 (en) 1994-09-07
US5596677A (en) 1997-01-21
EP0599569B1 (en) 1999-06-09
DE69325237D1 (de) 1999-07-15

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