DE3475664D1 - Multi-pulse excited linear predictive speech coder - Google Patents
Multi-pulse excited linear predictive speech coderInfo
- Publication number
- DE3475664D1 DE3475664D1 DE8484201194T DE3475664T DE3475664D1 DE 3475664 D1 DE3475664 D1 DE 3475664D1 DE 8484201194 T DE8484201194 T DE 8484201194T DE 3475664 T DE3475664 T DE 3475664T DE 3475664 D1 DE3475664 D1 DE 3475664D1
- Authority
- DE
- Germany
- Prior art keywords
- linear predictive
- speech coder
- excited linear
- predictive speech
- pulse excited
- 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
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)
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8302985A NL8302985A (nl) | 1983-08-26 | 1983-08-26 | Multipulse excitatie lineair predictieve spraakcodeerder. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3475664D1 true DE3475664D1 (en) | 1989-01-19 |
Family
ID=19842312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484201194T Expired DE3475664D1 (en) | 1983-08-26 | 1984-08-17 | Multi-pulse excited linear predictive speech coder |
Country Status (7)
Country | Link |
---|---|
US (1) | US4736428A (de) |
EP (1) | EP0137532B1 (de) |
JP (1) | JPS6070500A (de) |
AU (1) | AU574708B2 (de) |
CA (1) | CA1213059A (de) |
DE (1) | DE3475664D1 (de) |
NL (1) | NL8302985A (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4944013A (en) * | 1985-04-03 | 1990-07-24 | British Telecommunications Public Limited Company | Multi-pulse speech coder |
US4941178A (en) * | 1986-04-01 | 1990-07-10 | Gte Laboratories Incorporated | Speech recognition using preclassification and spectral normalization |
CA1323934C (en) * | 1986-04-15 | 1993-11-02 | Tetsu Taguchi | Speech processing apparatus |
GB8621932D0 (en) * | 1986-09-11 | 1986-10-15 | British Telecomm | Speech coding |
CA1336841C (en) * | 1987-04-08 | 1995-08-29 | Tetsu Taguchi | Multi-pulse type coding system |
DE69029120T2 (de) * | 1989-04-25 | 1997-04-30 | Toshiba Kawasaki Kk | Stimmenkodierer |
SE463691B (sv) * | 1989-05-11 | 1991-01-07 | Ericsson Telefon Ab L M | Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen |
FR2668288B1 (fr) * | 1990-10-19 | 1993-01-15 | Di Francesco Renaud | Procede de transmission, a bas debit, par codage celp d'un signal de parole et systeme correspondant. |
JP3254687B2 (ja) * | 1991-02-26 | 2002-02-12 | 日本電気株式会社 | 音声符号化方式 |
WO1993006590A1 (en) * | 1991-09-20 | 1993-04-01 | Lernout & Hauspie Speechproducts | A speech coding device |
US5659659A (en) * | 1993-07-26 | 1997-08-19 | Alaris, Inc. | Speech compressor using trellis encoding and linear prediction |
US5574825A (en) * | 1994-03-14 | 1996-11-12 | Lucent Technologies Inc. | Linear prediction coefficient generation during frame erasure or packet loss |
US5615298A (en) * | 1994-03-14 | 1997-03-25 | Lucent Technologies Inc. | Excitation signal synthesis during frame erasure or packet loss |
US5602961A (en) * | 1994-05-31 | 1997-02-11 | Alaris, Inc. | Method and apparatus for speech compression using multi-mode code excited linear predictive coding |
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 |
FR2729246A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
SE508788C2 (sv) * | 1995-04-12 | 1998-11-02 | Ericsson Telefon Ab L M | Förfarande att bestämma positionerna inom en talram för excitationspulser |
DE19612393A1 (de) * | 1996-03-28 | 1997-10-02 | Pelikan Produktions Ag | Thermotransferband |
US5832443A (en) * | 1997-02-25 | 1998-11-03 | Alaris, Inc. | Method and apparatus for adaptive audio compression and decompression |
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 |
DE19920501A1 (de) * | 1999-05-05 | 2000-11-09 | Nokia Mobile Phones Ltd | Wiedergabeverfahren für sprachgesteuerte Systeme mit textbasierter Sprachsynthese |
US7233896B2 (en) * | 2002-07-30 | 2007-06-19 | Motorola Inc. | Regular-pulse excitation speech coder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750024A (en) * | 1971-06-16 | 1973-07-31 | Itt Corp Nutley | Narrow band digital speech communication system |
US4133976A (en) * | 1978-04-07 | 1979-01-09 | Bell Telephone Laboratories, Incorporated | Predictive speech signal coding with reduced noise effects |
GB2102254B (en) * | 1981-05-11 | 1985-08-07 | Kokusai Denshin Denwa Co Ltd | A speech analysis-synthesis system |
US4472832A (en) * | 1981-12-01 | 1984-09-18 | At&T Bell Laboratories | Digital speech coder |
-
1983
- 1983-08-26 NL NL8302985A patent/NL8302985A/nl unknown
-
1984
- 1984-08-09 US US06/639,176 patent/US4736428A/en not_active Expired - Fee Related
- 1984-08-17 EP EP84201194A patent/EP0137532B1/de not_active Expired
- 1984-08-17 DE DE8484201194T patent/DE3475664D1/de not_active Expired
- 1984-08-23 CA CA000461694A patent/CA1213059A/en not_active Expired
- 1984-08-24 AU AU32378/84A patent/AU574708B2/en not_active Expired - Fee Related
- 1984-08-24 JP JP59175341A patent/JPS6070500A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1213059A (en) | 1986-10-21 |
EP0137532B1 (de) | 1988-12-14 |
AU574708B2 (en) | 1988-07-14 |
AU3237884A (en) | 1985-02-28 |
JPH0562760B2 (de) | 1993-09-09 |
JPS6070500A (ja) | 1985-04-22 |
US4736428A (en) | 1988-04-05 |
EP0137532A3 (en) | 1985-07-03 |
EP0137532A2 (de) | 1985-04-17 |
NL8302985A (nl) | 1985-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |