BR9006761A - Processo para posicionar pulsos de excitacao para um codificador de predicao linear - Google Patents

Processo para posicionar pulsos de excitacao para um codificador de predicao linear

Info

Publication number: BR9006761A
Authority: BR; Brazil
Prior art keywords: pulses; pulse; positioning; phase; encoder
Prior art date: 1989-05-11

Application number

BR909006761A

Other languages

English (en)

Inventor

Tor Bjorn 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.)

1989-05-11

Filing date

1990-03-09

Publication date

1991-08-13

1990-03-09 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1991-08-13 Publication of BR9006761A publication Critical patent/BR9006761A/pt

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)
Radar Systems Or Details Thereof (AREA)
Numerical Control (AREA)
Control Of Stepping Motors (AREA)
Paper (AREA)
Character Spaces And Line Spaces In Printers (AREA)
Transmission And Conversion Of Sensor Element Output (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Control Of Position Or Direction (AREA)
Position Fixing By Use Of Radio Waves (AREA)
Saccharide Compounds (AREA)
Turbine Rotor Nozzle Sealing (AREA)
Output Control And Ontrol Of Special Type Engine (AREA)
Traffic Control Systems (AREA)
Road Signs Or Road Markings (AREA)

BR909006761A 1989-05-11 1990-03-09 Processo para posicionar pulsos de excitacao para um codificador de predicao linear BR9006761A (pt)

Applications Claiming Priority (3)

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
PCT/SE1990/000153 WO1990013891A1 (en)	1989-05-11	1990-03-09	Excitation pulse positioning method in a linear predictive speech coder
SG163394A SG163394G (en)	1989-05-11	1994-11-14	Excitation pulse prositioning method in a linear predictive speech coder

Publications (1)

Publication Number	Publication Date
BR9006761A true BR9006761A (pt)	1991-08-13

Family

ID=26660505

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR909006761A BR9006761A (pt)	1989-05-11	1990-03-09	Processo para posicionar pulsos de excitacao para um codificador de predicao linear

Country Status (22)

Country	Link
US (1)	US5193140A (pt)
EP (1)	EP0397628B1 (pt)
JP (1)	JP3054438B2 (pt)
CN (1)	CN1020975C (pt)
AT (1)	ATE111625T1 (pt)
AU (1)	AU629637B2 (pt)
BR (1)	BR9006761A (pt)
CA (1)	CA2032520C (pt)
DE (1)	DE69012419T2 (pt)
DK (1)	DK0397628T3 (pt)
ES (1)	ES2060132T3 (pt)
FI (1)	FI101753B1 (pt)
HK (1)	HK147594A (pt)
IE (1)	IE66681B1 (pt)
NO (1)	NO302205B1 (pt)
NZ (1)	NZ233100A (pt)
PH (1)	PH27161A (pt)
PT (1)	PT93999B (pt)
SE (1)	SE463691B (pt)
SG (1)	SG163394G (pt)
TR (1)	TR24559A (pt)
WO (1)	WO1990013891A1 (pt)

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
DE69431036T2 (de) *	1993-12-24	2002-11-07	Seiko Epson Corp., Tokio/Tokyo	Lamellenartig aufgebauter 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
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
FR2729244B1 (fr) *	1995-01-06	1997-03-28	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 (en) *	1998-01-13	1999-07-13	Lucent Technologies Inc.	Vocoder with efficient, fault tolerant excitation vector encoding
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
EP1112625B1 (en) *	1998-09-11	2006-05-31	Motorola, Inc.	Method for coding an information signal
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 (en) *	1984-07-05	1989-06-13	Kazunori Ozawa	Low bit-rate pattern encoding and decoding with a reduced number of excitation pulses
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

1990
- 1990-03-09 CA CA002032520A patent/CA2032520C/en not_active Expired - Lifetime
- 1990-03-09 JP JP2506712A patent/JP3054438B2/ja not_active Expired - Lifetime
- 1990-03-09 AU AU55490/90A patent/AU629637B2/en not_active Expired
- 1990-03-09 SE SE8901697A patent/SE463691B/sv not_active IP Right Cessation
- 1990-03-09 IE IE146790A patent/IE66681B1/en not_active IP Right Cessation
- 1990-03-09 WO PCT/SE1990/000153 patent/WO1990013891A1/en not_active Ceased
- 1990-03-09 BR BR909006761A patent/BR9006761A/pt not_active IP Right Cessation
- 1990-03-27 NZ NZ233100A patent/NZ233100A/en unknown
- 1990-03-28 EP EP90850119A patent/EP0397628B1/en not_active Expired - Lifetime
- 1990-03-28 DE DE69012419T patent/DE69012419T2/de not_active Expired - Lifetime
- 1990-03-28 AT AT90850119T patent/ATE111625T1/de not_active IP Right Cessation
- 1990-03-28 DK DK90850119.0T patent/DK0397628T3/da active
- 1990-03-28 ES ES90850119T patent/ES2060132T3/es not_active Expired - Lifetime
- 1990-03-30 US US07/501,767 patent/US5193140A/en not_active Expired - Lifetime
- 1990-04-18 PH PH40385A patent/PH27161A/en unknown
- 1990-05-10 PT PT93999A patent/PT93999B/pt not_active IP Right Cessation
- 1990-05-11 CN CN90103654A patent/CN1020975C/zh not_active Expired - Lifetime
- 1990-06-04 TR TR90/0426A patent/TR24559A/xx unknown
- 1990-12-19 NO NO905471A patent/NO302205B1/no not_active IP Right Cessation
1991
- 1991-01-02 FI FI910021A patent/FI101753B1/fi active
1994
- 1994-11-14 SG SG163394A patent/SG163394G/en unknown
- 1994-12-30 HK HK147594A patent/HK147594A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
CN1047157A (zh)	1990-11-21
CA2032520A1 (en)	1990-11-12
JP3054438B2 (ja)	2000-06-19
EP0397628A1 (en)	1990-11-14
NO905471L (no)	1990-12-19
AU629637B2 (en)	1992-10-08
DE69012419T2 (de)	1995-02-16
PT93999B (pt)	1996-08-30
IE901467L (en)	1990-11-11
ATE111625T1 (de)	1994-09-15
IE66681B1 (en)	1996-01-24
US5193140A (en)	1993-03-09
WO1990013891A1 (en)	1990-11-15
AU5549090A (en)	1990-11-29
SG163394G (en)	1995-04-28
PH27161A (en)	1993-04-02
CA2032520C (en)	1996-09-17
NO905471D0 (no)	1990-12-19
EP0397628B1 (en)	1994-09-14
NO302205B1 (no)	1998-02-02
HK147594A (en)	1995-01-06
NZ233100A (en)	1992-04-28
SE8901697D0 (sv)	1989-05-11
SE463691B (sv)	1991-01-07
TR24559A (tr)	1992-01-01
CN1020975C (zh)	1993-05-26
DK0397628T3 (da)	1995-01-16
SE8901697L (sv)	1990-11-12
PT93999A (pt)	1991-01-08
FI910021A0 (fi)	1991-01-02
FI101753B (sv)	1998-08-14
FI101753B1 (fi)	1998-08-14
ES2060132T3 (es)	1994-11-16
DE69012419D1 (de)	1994-10-20
JPH03506079A (ja)	1991-12-26

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Legal Events

Date	Code	Title	Description
1995-03-14	FB19	Grant procedure suspended (art. 19)
1995-11-07	FF	Decision: intention to grant
1996-03-19	KD	Notifcation of receipt (letter patent)
1996-08-27	FG	Letter patent granted
2010-06-08	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 09/03/2005
2018-03-20	B15K	Others concerning applications: alteration of classification	Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA G10L 9/14. Ipc: G10L 19/10 (2013.01) Ipc: G10L 19/10 (2013.01)