SE463691B - Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen - Google Patents

Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen

Info

Publication number
SE463691B
SE463691B SE8901697A SE8901697A SE463691B SE 463691 B SE463691 B SE 463691B SE 8901697 A SE8901697 A SE 8901697A SE 8901697 A SE8901697 A SE 8901697A SE 463691 B SE463691 B SE 463691B
Authority
SE
Sweden
Prior art keywords
phase
positions
pulse
excitation
phase position
Prior art date
Application number
SE8901697A
Other languages
English (en)
Swedish (sv)
Other versions
SE8901697D0 (sv
SE8901697L (sv
Inventor
T B Minde
Original Assignee
Ericsson Telefon Ab L M
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
Publication of SE8901697D0 publication Critical patent/SE8901697D0/xx
Priority to SE8901697A priority Critical patent/SE463691B/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to PCT/SE1990/000153 priority patent/WO1990013891A1/fr
Priority to BR909006761A priority patent/BR9006761A/pt
Priority to IE146790A priority patent/IE66681B1/en
Priority to CA002032520A priority patent/CA2032520C/fr
Priority to AU55490/90A priority patent/AU629637B2/en
Priority to JP2506712A priority patent/JP3054438B2/ja
Priority to NZ233100A priority patent/NZ233100A/en
Priority to ES90850119T priority patent/ES2060132T3/es
Priority to AT90850119T priority patent/ATE111625T1/de
Priority to DK90850119.0T priority patent/DK0397628T3/da
Priority to EP90850119A priority patent/EP0397628B1/fr
Priority to DE69012419T priority patent/DE69012419T2/de
Priority to US07/501,767 priority patent/US5193140A/en
Priority to MYPI90000502A priority patent/MY106695A/en
Priority to PH40385A priority patent/PH27161A/en
Priority to PT93999A priority patent/PT93999B/pt
Priority to CN90103654A priority patent/CN1020975C/zh
Priority to TR90/0426A priority patent/TR24559A/xx
Priority to SA90110060A priority patent/SA90110060B1/ar
Publication of SE8901697L publication Critical patent/SE8901697L/xx
Priority to KR90702564A priority patent/KR950014107B1/ko
Priority to NO905471A priority patent/NO302205B1/no
Priority to FI910021A priority patent/FI101753B/sv
Publication of SE463691B publication Critical patent/SE463691B/sv
Priority to SG163394A priority patent/SG163394G/en
Priority to HK147594A priority patent/HK147594A/en

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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Control Of Stepping Motors (AREA)
  • Paper (AREA)
  • Numerical Control (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Road Signs Or Road Markings (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Control Of Position Or Direction (AREA)
  • Saccharide Compounds (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
SE8901697A 1989-05-11 1990-03-09 Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen SE463691B (sv)

Priority Applications (25)

Application Number Priority Date Filing Date Title
CA002032520A CA2032520C (fr) 1989-05-11 1990-03-09 Methode de positionnement d'impulsions d'excitation dans un codeur de paroles predictif lineaire
JP2506712A JP3054438B2 (ja) 1989-05-11 1990-03-09 線型予測音声符号器における音源パルスの位置決め方法
PCT/SE1990/000153 WO1990013891A1 (fr) 1989-05-11 1990-03-09 Procede de positionnement d'impulsions d'excitation dans un codeur de parole a prediction lineaire
BR909006761A BR9006761A (pt) 1989-05-11 1990-03-09 Processo para posicionar pulsos de excitacao para um codificador de predicao linear
IE146790A IE66681B1 (en) 1989-05-11 1990-03-09 Excitation pulse positioning method in a linear predictive speech coder
SE8901697A SE463691B (sv) 1989-05-11 1990-03-09 Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen
AU55490/90A AU629637B2 (en) 1989-05-11 1990-03-09 Excitation pulse positioning method in a linear predictive speech coder
NZ233100A NZ233100A (en) 1989-05-11 1990-03-27 Linear predictive coding of speech: positioning of excitation pulse
DE69012419T DE69012419T2 (de) 1989-05-11 1990-03-28 Verfahren zum Einrichten von Anregungsimpulsen in einem linearen Pradiktionssprachcodierer.
ES90850119T ES2060132T3 (es) 1989-05-11 1990-03-28 Metodo de posicionar impulsos de excitacion en un codificador de voz predictor lineal.
AT90850119T ATE111625T1 (de) 1989-05-11 1990-03-28 Verfahren zum einrichten von anregungsimpulsen in einem linearen pradiktionssprachcodierer.
DK90850119.0T DK0397628T3 (da) 1989-05-11 1990-03-28 Fremgangsmåde til positionering af exitationsimpulser i en lineær prediktiv talekoder
EP90850119A EP0397628B1 (fr) 1989-05-11 1990-03-28 Procédé pour le positionnement des impulsions d'excitation dans un codeur à prédiction linéaire pour signal vocal
US07/501,767 US5193140A (en) 1989-05-11 1990-03-30 Excitation pulse positioning method in a linear predictive speech coder
MYPI90000502A MY106695A (en) 1989-05-11 1990-03-30 Excitation pulse positioning method in a linear predictive speech coder.
PH40385A PH27161A (en) 1989-05-11 1990-04-18 Excitation pulse positioning method in a linear predictive speech coder
PT93999A PT93999B (pt) 1989-05-11 1990-05-10 Processo posicionamento de impulsos de excitacao num codificador preditivo linear de fala
CN90103654A CN1020975C (zh) 1989-05-11 1990-05-11 线性预测语音编码器激励脉冲的定位方法
TR90/0426A TR24559A (tr) 1989-05-11 1990-06-04 Dogrusal tahminli bir konusma kodlayicida uyari sadmesi konumlandirma yoentemi
SA90110060A SA90110060B1 (ar) 1989-05-11 1990-09-05 طريقة تنظيم نبضات الاستثارة excitation pulses في جهاز ترميز(كود)كلام تنبؤي خطي linear predictive (LPC) coder
KR90702564A KR950014107B1 (en) 1989-05-11 1990-12-06 Excitation pulse positioning method in a linear predictive speech coder
NO905471A NO302205B1 (no) 1989-05-11 1990-12-19 Fremgangsmåte for posisjonering av eksitasjonspulser i en lineærpredikativ talekoder
FI910021A FI101753B (sv) 1989-05-11 1991-01-02 Förfarande att utplacera excitationspulser i en lineärprediktiv talkod are
SG163394A SG163394G (en) 1989-05-11 1994-11-14 Excitation pulse prositioning method in a linear predictive speech coder
HK147594A HK147594A (en) 1989-05-11 1994-12-30 Excitation pulse positioning method in a linear predictive speech coder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8901697A SE463691B (sv) 1989-05-11 1990-03-09 Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen
SG163394A SG163394G (en) 1989-05-11 1994-11-14 Excitation pulse prositioning method in a linear predictive speech coder

Publications (3)

Publication Number Publication Date
SE8901697D0 SE8901697D0 (sv) 1989-05-11
SE8901697L SE8901697L (sv) 1990-11-12
SE463691B true SE463691B (sv) 1991-01-07

Family

ID=26660505

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8901697A SE463691B (sv) 1989-05-11 1990-03-09 Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen

Country Status (22)

Country Link
US (1) US5193140A (fr)
EP (1) EP0397628B1 (fr)
JP (1) JP3054438B2 (fr)
CN (1) CN1020975C (fr)
AT (1) ATE111625T1 (fr)
AU (1) AU629637B2 (fr)
BR (1) BR9006761A (fr)
CA (1) CA2032520C (fr)
DE (1) DE69012419T2 (fr)
DK (1) DK0397628T3 (fr)
ES (1) ES2060132T3 (fr)
FI (1) FI101753B (fr)
HK (1) HK147594A (fr)
IE (1) IE66681B1 (fr)
NO (1) NO302205B1 (fr)
NZ (1) NZ233100A (fr)
PH (1) PH27161A (fr)
PT (1) PT93999B (fr)
SE (1) SE463691B (fr)
SG (1) SG163394G (fr)
TR (1) TR24559A (fr)
WO (1) WO1990013891A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
US5701392A (en) * 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
DE69434514T2 (de) * 1993-12-24 2006-06-22 Seiko Epson Corp. Tintenstrahlaufzeichnungskopf
JPH08123494A (ja) * 1994-10-28 1996-05-17 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置
JP3328080B2 (ja) * 1994-11-22 2002-09-24 沖電気工業株式会社 コード励振線形予測復号器
DE4446558A1 (de) * 1994-12-24 1996-06-27 Philips Patentverwaltung Digitales Übertragungssystem mit verbessertem Decoder im Empfänger
FR2729244B1 (fr) * 1995-01-06 1997-03-28 Matra Communication Procede de codage de parole a analyse par synthese
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
SE506379C3 (sv) * 1995-03-22 1998-01-19 Ericsson Telefon Ab L M Lpc-talkodare med kombinerad excitation
SE508788C2 (sv) * 1995-04-12 1998-11-02 Ericsson Telefon Ab L M Förfarande att bestämma positionerna inom en talram för excitationspulser
DE19641619C1 (de) * 1996-10-09 1997-06-26 Nokia Mobile Phones Ltd Verfahren zur Synthese eines Rahmens eines Sprachsignals
JP3063668B2 (ja) * 1997-04-04 2000-07-12 日本電気株式会社 音声符号化装置及び復号装置
JPH10303252A (ja) * 1997-04-28 1998-11-13 Nec Kansai Ltd 半導体装置
CA2254620A1 (fr) * 1998-01-13 1999-07-13 Lucent Technologies Inc. Vocodeur avec codage du vecteur d'excitation tolerant aux pannes
JP3199020B2 (ja) 1998-02-27 2001-08-13 日本電気株式会社 音声音楽信号の符号化装置および復号装置
KR100409167B1 (ko) * 1998-09-11 2003-12-12 모토로라 인코포레이티드 정보 신호를 부호화하는 방법 및 장치
US6539349B1 (en) * 2000-02-15 2003-03-25 Lucent Technologies Inc. Constraining pulse positions in CELP vocoding
US8036886B2 (en) * 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
US11270714B2 (en) 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
US12254895B2 (en) 2021-07-02 2025-03-18 Digital Voice Systems, Inc. Detecting and compensating for the presence of a speaker mask in a speech signal
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech
US12451151B2 (en) 2022-04-08 2025-10-21 Digital Voice Systems, Inc. Tone frame detector for digital speech
US12462814B2 (en) 2023-10-06 2025-11-04 Digital Voice Systems, Inc. Bit error correction in digital speech

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4472832A (en) * 1981-12-01 1984-09-18 At&T Bell Laboratories Digital speech coder
NL8302985A (nl) * 1983-08-26 1985-03-18 Philips Nv Multipulse excitatie lineair predictieve spraakcodeerder.
CA1255802A (fr) * 1984-07-05 1989-06-13 Kazunori Ozawa Codage et decodage de signaux a faible debit binaire utilisant un nombre restreint d'impulsions d'excitation
FR2579356B1 (fr) * 1985-03-22 1987-05-07 Cit Alcatel Procede de codage a faible debit de la parole a signal multi-impulsionnel d'excitation
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US4944013A (en) * 1985-04-03 1990-07-24 British Telecommunications Public Limited Company Multi-pulse speech coder
GB8621932D0 (en) * 1986-09-11 1986-10-15 British Telecomm Speech coding

Also Published As

Publication number Publication date
CA2032520A1 (fr) 1990-11-12
SG163394G (en) 1995-04-28
FI101753B1 (fi) 1998-08-14
EP0397628A1 (fr) 1990-11-14
NZ233100A (en) 1992-04-28
PH27161A (en) 1993-04-02
TR24559A (tr) 1992-01-01
DE69012419T2 (de) 1995-02-16
WO1990013891A1 (fr) 1990-11-15
JP3054438B2 (ja) 2000-06-19
PT93999A (pt) 1991-01-08
SE8901697D0 (sv) 1989-05-11
ES2060132T3 (es) 1994-11-16
ATE111625T1 (de) 1994-09-15
DE69012419D1 (de) 1994-10-20
IE66681B1 (en) 1996-01-24
NO905471L (no) 1990-12-19
SE8901697L (sv) 1990-11-12
BR9006761A (pt) 1991-08-13
AU5549090A (en) 1990-11-29
PT93999B (pt) 1996-08-30
NO905471D0 (no) 1990-12-19
CA2032520C (fr) 1996-09-17
IE901467L (en) 1990-11-11
US5193140A (en) 1993-03-09
FI910021A0 (fi) 1991-01-02
EP0397628B1 (fr) 1994-09-14
DK0397628T3 (da) 1995-01-16
HK147594A (en) 1995-01-06
CN1020975C (zh) 1993-05-26
FI101753B (sv) 1998-08-14
JPH03506079A (ja) 1991-12-26
AU629637B2 (en) 1992-10-08
NO302205B1 (no) 1998-02-02
CN1047157A (zh) 1990-11-21

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