ES2039655T3 - Codificacion del habla. - Google Patents
Codificacion del habla.Info
- Publication number
- ES2039655T3 ES2039655T3 ES198888312412T ES88312412T ES2039655T3 ES 2039655 T3 ES2039655 T3 ES 2039655T3 ES 198888312412 T ES198888312412 T ES 198888312412T ES 88312412 T ES88312412 T ES 88312412T ES 2039655 T3 ES2039655 T3 ES 2039655T3
- Authority
- ES
- Spain
- Prior art keywords
- speech coding
- towards
- lpc filter
- language
- rivate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000005284 excitation 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
- G10L19/08—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)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
EL LENGUAJE DE ENTRADA SE PROCESA PARA DE RIVARSE EN UNOS PARAMETROS HACIA UN FILTRO LPC (2) Y OTROS HACIA UN EXCITADOR DE MULTIPLES PULSOS. ESTOS ULTIMOS SE COMPUTAN (10) ANTES DE TRANSMITIRSE JUNTO CON LOS PRIMEROS A UN DECODIFICADOR EN EL CUAL SE GENERA UNA EXCITACION QUE INDUCE AL FILTRO LPC A PRODUCIR EL LENGUAJE SINTETIZADO. ANTES DEL COMPUTO, LAS AMPLITUDES DEL PULSO SE MULTIPLICAN POR UNOS FACTORES (FI) LOS CUALES DEPENDEN SOLO DE SU POSICION EN LA SECUENCIA DE LA CUAL SE DERIVAN LOS PULSOS.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888800120A GB8800120D0 (en) | 1988-01-05 | 1988-01-05 | Speech coding |
GB888801998A GB8801998D0 (en) | 1988-01-29 | 1988-01-29 | Speech coding |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2039655T3 true ES2039655T3 (es) | 1993-10-01 |
Family
ID=26293268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888312412T Expired - Lifetime ES2039655T3 (es) | 1988-01-05 | 1988-12-29 | Codificacion del habla. |
Country Status (11)
Country | Link |
---|---|
US (1) | US5058165A (es) |
EP (1) | EP0324283B1 (es) |
JP (1) | JP2992045B2 (es) |
AU (1) | AU608944B2 (es) |
CA (1) | CA1334690C (es) |
DE (2) | DE3879664T4 (es) |
DK (1) | DK172908B1 (es) |
ES (1) | ES2039655T3 (es) |
HK (1) | HK130196A (es) |
NO (1) | NO301097B1 (es) |
WO (1) | WO1989006418A1 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2729244B1 (fr) * | 1995-01-06 | 1997-03-28 | Matra Communication | Procede de codage de parole a analyse par synthese |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE32580E (en) * | 1981-12-01 | 1988-01-19 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech coder |
US4724535A (en) * | 1984-04-17 | 1988-02-09 | Nec Corporation | Low bit-rate pattern coding with recursive orthogonal decision of parameters |
JPS61134000A (ja) * | 1984-12-05 | 1986-06-21 | 株式会社日立製作所 | 音声分析合成方式 |
CA1252568A (en) * | 1984-12-24 | 1989-04-11 | Kazunori Ozawa | Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate |
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 |
JPH0650439B2 (ja) * | 1986-07-17 | 1994-06-29 | 日本電気株式会社 | マルチパルス駆動形音声符号化器 |
GB8621932D0 (en) * | 1986-09-11 | 1986-10-15 | British Telecomm | Speech coding |
-
1988
- 1988-12-29 WO PCT/GB1988/001152 patent/WO1989006418A1/en unknown
- 1988-12-29 JP JP1501163A patent/JP2992045B2/ja not_active Expired - Lifetime
- 1988-12-29 DE DE88312412T patent/DE3879664T4/de not_active Expired - Lifetime
- 1988-12-29 AU AU29219/89A patent/AU608944B2/en not_active Expired
- 1988-12-29 US US07/382,687 patent/US5058165A/en not_active Expired - Lifetime
- 1988-12-29 ES ES198888312412T patent/ES2039655T3/es not_active Expired - Lifetime
- 1988-12-29 DE DE8888312412A patent/DE3879664D1/de not_active Expired - Lifetime
- 1988-12-29 EP EP88312412A patent/EP0324283B1/en not_active Expired - Lifetime
-
1989
- 1989-01-04 CA CA000587501A patent/CA1334690C/en not_active Expired - Lifetime
- 1989-08-29 DK DK198904256A patent/DK172908B1/da not_active IP Right Cessation
- 1989-09-04 NO NO893532A patent/NO301097B1/no not_active IP Right Cessation
-
1996
- 1996-07-18 HK HK130196A patent/HK130196A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK425689D0 (da) | 1989-08-29 |
US5058165A (en) | 1991-10-15 |
DK425689A (da) | 1989-08-29 |
EP0324283B1 (en) | 1993-03-24 |
DE3879664T4 (de) | 1993-10-07 |
WO1989006418A1 (en) | 1989-07-13 |
NO893532L (no) | 1989-09-04 |
JPH02502857A (ja) | 1990-09-06 |
DE3879664T2 (de) | 1993-07-01 |
CA1334690C (en) | 1995-03-07 |
HK130196A (en) | 1996-07-26 |
AU608944B2 (en) | 1991-04-18 |
EP0324283A1 (en) | 1989-07-19 |
NO893532D0 (no) | 1989-09-04 |
AU2921989A (en) | 1989-08-01 |
NO301097B1 (no) | 1997-09-08 |
DE3879664D1 (de) | 1993-04-29 |
JP2992045B2 (ja) | 1999-12-20 |
DK172908B1 (da) | 1999-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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