SE8008245L - Talkodningssystem - Google Patents

Talkodningssystem

Info

Publication number: SE8008245L
Authority: SE; Sweden
Prior art keywords: signals; speech; voicing; pitch period; coded
Prior art date: 1979-03-30

Application number

SE8008245A

Other languages

Unknown language ( )

English (en)

Other versions

SE422377B (sv

Inventor

B S Atal

Original Assignee

Western Electric Co

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.)

1979-03-30

Filing date

1980-11-25

Publication date

1980-11-25

1980-11-25 Application filed by Western Electric Co filed Critical Western Electric Co

1980-11-25 Publication of SE8008245L publication Critical patent/SE8008245L/sv

1982-03-01 Publication of SE422377B publication Critical patent/SE422377B/sv

Links

230000003595 spectral effect Effects 0.000 abstract 1
238000001228 spectrum Methods 0.000 abstract 1
230000002194 synthesizing effect Effects 0.000 abstract 1

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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Audiology, Speech & Language Pathology (AREA)
Computational Linguistics (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Spectroscopy & Molecular Physics (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Telephonic Communication Services (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

SE8008245A 1979-03-30 1980-11-25 Talkodningssystem SE422377B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/025,731 US4220819A (en)	1979-03-30	1979-03-30	Residual excited predictive speech coding system

Publications (2)

Publication Number	Publication Date
SE8008245L true SE8008245L (sv)	1980-11-25
SE422377B SE422377B (sv)	1982-03-01

Family

ID=21827763

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8008245A SE422377B (sv)	1979-03-30	1980-11-25	Talkodningssystem

Country Status (8)

Country	Link
US (1)	US4220819A (sv)
JP (1)	JPS5936275B2 (sv)
DE (1)	DE3041423C1 (sv)
FR (1)	FR2452756B1 (sv)
GB (1)	GB2058523B (sv)
NL (1)	NL8020114A (sv)
SE (1)	SE422377B (sv)
WO (1)	WO1980002211A1 (sv)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL188189C (nl) *	1979-04-04	1992-04-16	Philips Nv	Werkwijze ter bepaling van stuursignalen voor besturing van polen van een louter-polen filter in een spraaksynthese-inrichting.
BR8108616A (pt) *	1980-05-19	1982-04-06	John S Reid	Aperfeicoamentos em processamento de sinais
US4544919A (en) *	1982-01-03	1985-10-01	Motorola, Inc.	Method and means of determining coefficients for linear predictive coding
US4520499A (en) *	1982-06-25	1985-05-28	Milton Bradley Company	Combination speech synthesis and recognition apparatus
JPS59153346A (ja) *	1983-02-21	1984-09-01	Nec Corp	音声符号化・復号化装置
US4731846A (en) *	1983-04-13	1988-03-15	Texas Instruments Incorporated	Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
US4667340A (en) *	1983-04-13	1987-05-19	Texas Instruments Incorporated	Voice messaging system with pitch-congruent baseband coding
CA1223365A (en) *	1984-02-02	1987-06-23	Shigeru Ono	Method and apparatus for speech coding
US4704730A (en) *	1984-03-12	1987-11-03	Allophonix, Inc.	Multi-state speech encoder and decoder
JPS60239798A (ja) *	1984-05-14	1985-11-28	日本電気株式会社	音声信号符号化／復号化装置
CA1255802A (en) *	1984-07-05	1989-06-13	Kazunori Ozawa	Low bit-rate pattern encoding and decoding with a reduced number of excitation pulses
US4675863A (en) *	1985-03-20	1987-06-23	International Mobile Machines Corp.	Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US5067158A (en) *	1985-06-11	1991-11-19	Texas Instruments Incorporated	Linear predictive residual representation via non-iterative spectral reconstruction
US4776014A (en) *	1986-09-02	1988-10-04	General Electric Company	Method for pitch-aligned high-frequency regeneration in RELP vocoders
US4860360A (en) *	1987-04-06	1989-08-22	Gte Laboratories Incorporated	Method of evaluating speech
US5202953A (en) *	1987-04-08	1993-04-13	Nec Corporation	Multi-pulse type coding system with correlation calculation by backward-filtering operation for multi-pulse searching
US4896361A (en) *	1988-01-07	1990-01-23	Motorola, Inc.	Digital speech coder having improved vector excitation source
US4817157A (en) *	1988-01-07	1989-03-28	Motorola, Inc.	Digital speech coder having improved vector excitation source
US5048088A (en) *	1988-03-28	1991-09-10	Nec Corporation	Linear predictive speech analysis-synthesis apparatus
JPH0782359B2 (ja) *	1989-04-21	1995-09-06	三菱電機株式会社	音声符号化装置、音声復号化装置及び音声符号化・復号化装置
US5261027A (en) *	1989-06-28	1993-11-09	Fujitsu Limited	Code excited linear prediction speech coding system
US5263119A (en) *	1989-06-29	1993-11-16	Fujitsu Limited	Gain-shape vector quantization method and apparatus
JPH0332228A (ja) *	1989-06-29	1991-02-12	Fujitsu Ltd	ゲイン―シェイプ・ベクトル量子化方式
JPH0365822A (ja) *	1989-08-04	1991-03-20	Fujitsu Ltd	ベクトル量子化符号器及びベクトル量子化復号器
US5054075A (en) *	1989-09-05	1991-10-01	Motorola, Inc.	Subband decoding method and apparatus
WO1991006091A1 (en) *	1989-10-17	1991-05-02	Motorola, Inc.	Lpc based speech synthesis with adaptive pitch prefilter
US5195168A (en) *	1991-03-15	1993-03-16	Codex Corporation	Speech coder and method having spectral interpolation and fast codebook search
US5265190A (en) *	1991-05-31	1993-11-23	Motorola, Inc.	CELP vocoder with efficient adaptive codebook search
US5255339A (en) *	1991-07-19	1993-10-19	Motorola, Inc.	Low bit rate vocoder means and method
US5357567A (en) *	1992-08-14	1994-10-18	Motorola, Inc.	Method and apparatus for volume switched gain control
US5546383A (en)	1993-09-30	1996-08-13	Cooley; David M.	Modularly clustered radiotelephone system
US5621852A (en)	1993-12-14	1997-04-15	Interdigital Technology Corporation	Efficient codebook structure for code excited linear prediction coding
US5761633A (en) *	1994-08-30	1998-06-02	Samsung Electronics Co., Ltd.	Method of encoding and decoding speech signals
JP3137176B2 (ja) *	1995-12-06	2001-02-19	日本電気株式会社	音声符号化装置
US5839098A (en) *	1996-12-19	1998-11-17	Lucent Technologies Inc.	Speech coder methods and systems
US6973424B1 (en) *	1998-06-30	2005-12-06	Nec Corporation	Voice coder
US7171355B1 (en) *	2000-10-25	2007-01-30	Broadcom Corporation	Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals
US7110942B2 (en) *	2001-08-14	2006-09-19	Broadcom Corporation	Efficient excitation quantization in a noise feedback coding system using correlation techniques
US6751587B2 (en)	2002-01-04	2004-06-15	Broadcom Corporation	Efficient excitation quantization in noise feedback coding with general noise shaping
US7206740B2 (en) *	2002-01-04	2007-04-17	Broadcom Corporation	Efficient excitation quantization in noise feedback coding with general noise shaping
US8473286B2 (en) *	2004-02-26	2013-06-25	Broadcom Corporation	Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure
DK2309776T3 (da) *	2009-09-14	2014-10-27	Gn Resound As	Høreapparat med midler til adaptiv feedbackkompensation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2928902A (en) *	1957-05-14	1960-03-15	Vilbig Friedrich	Signal transmission
US3979557A (en) *	1974-07-03	1976-09-07	International Telephone And Telegraph Corporation	Speech processor system for pitch period extraction using prediction filters
US3975587A (en) *	1974-09-13	1976-08-17	International Telephone And Telegraph Corporation	Digital vocoder
JPS6051720B2 (ja) *	1975-08-22	1985-11-15	日本電信電話株式会社	音声の基本周期抽出装置

1979
- 1979-03-30 US US06/025,731 patent/US4220819A/en not_active Expired - Lifetime
1980
- 1980-03-24 WO PCT/US1980/000309 patent/WO1980002211A1/en active Application Filing
- 1980-03-24 NL NL8020114A patent/NL8020114A/nl not_active Application Discontinuation
- 1980-03-24 GB GB8038036A patent/GB2058523B/en not_active Expired
- 1980-03-24 JP JP55500774A patent/JPS5936275B2/ja not_active Expired
- 1980-03-24 DE DE3041423A patent/DE3041423C1/de not_active Expired
- 1980-03-25 FR FR8006592A patent/FR2452756B1/fr not_active Expired
- 1980-11-25 SE SE8008245A patent/SE422377B/sv not_active IP Right Cessation

Also Published As

Publication number	Publication date
US4220819A (en)	1980-09-02
FR2452756B1 (fr)	1985-08-02
NL8020114A (nl)	1981-01-30
JPS5936275B2 (ja)	1984-09-03
WO1980002211A1 (en)	1980-10-16
DE3041423C1 (de)	1987-04-16
JPS56500314A (sv)	1981-03-12
SE422377B (sv)	1982-03-01
FR2452756A1 (fr)	1980-10-24
GB2058523A (en)	1981-04-08
GB2058523B (en)	1983-09-14

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8008245-6

Effective date: 19900125

Format of ref document f/p: F

Publication	Publication Date	Title
SE8008245L (sv)	1980-11-25	Talkodningssystem
AU575515B2 (en)	1988-07-28	Digital speech sinusoidal vocoder
FR2145501B1 (sv)	1976-08-13
GB2036515B (en)	1982-08-18	Predictive speech signal coding with reduced noise effects
EP0059880A3 (en)	1984-09-19	Text-to-speech synthesis system
SE8704178L (sv)	1987-10-27	Digital talprocessor
FR2284946A1 (fr)	1976-04-09	Vocodeur numerique
ATE103728T1 (de)	1994-04-15	Digitaler vocoder.
BR8305798A (pt)	1984-05-29	Processo para a obtencao de sinais periodicos, isentos de harmonicas, em um conjunto de medicao incremental ou absoluto, bem como conjunto para a realizacao do processo
DE3266042D1 (en)	1985-10-10	Method and apparatus for reduced redundancy digital speech processing
CH581878A5 (sv)	1976-11-15
DE68917584D1 (de)	1994-09-22	Zur Sprachqualitätsverbesserung geeignetes Kodiergerät unter Anwendung einer Doppelanlage zur Pulserzeugung.
EP0374941A3 (en)	1991-10-16	Communication system capable of improving a speech quality by effectively calculating excitation multipulses
FR2458121B1 (fr)	1985-12-13	Convertisseur de donnees pour un synthetiseur de parole
JPS5316618A (en)	1978-02-15	Electronic musical instrument
JPS55111995A (en)	1980-08-29	Method and device for voice synthesis
FR2274986A1 (fr)	1976-01-09	Procede de synthese electronique de sons musicaux
ATE7744T1 (de)	1984-06-15	Mehrstimmiger digitaler synthesizer von periodischen signalen.
DE3881869D1 (de)	1993-07-22	Digitales adaptives transformationscodierverfahren.
JPS52125315A (en)	1977-10-21	Electronic musical instrrument
GB2188466B (en)	1989-04-19	Linear predictive speech coding arrangement
ZA743089B (en)	1975-05-28	Strings for musical instruments
ATE7991T1 (de)	1984-06-15	Verfahren zur codierung von analogsignalen.
ZA793774B (en)	1980-07-30	Method of processing a raw gas produced by the gasification of solid fuel
ES2091890T3 (es)	1996-11-16	Procedimiento de codificacion y codificador de palabra de analisis por prediccion lineal.