JPH0562760B2 - - Google Patents
Info
- Publication number
- JPH0562760B2 JPH0562760B2 JP59175341A JP17534184A JPH0562760B2 JP H0562760 B2 JPH0562760 B2 JP H0562760B2 JP 59175341 A JP59175341 A JP 59175341A JP 17534184 A JP17534184 A JP 17534184A JP H0562760 B2 JPH0562760 B2 JP H0562760B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pulse
- excitation signal
- time interval
- pulse excitation
- 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
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8302985 | 1983-08-26 | ||
| NL8302985A NL8302985A (nl) | 1983-08-26 | 1983-08-26 | Multipulse excitatie lineair predictieve spraakcodeerder. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6070500A JPS6070500A (ja) | 1985-04-22 |
| JPH0562760B2 true JPH0562760B2 (OSRAM) | 1993-09-09 |
Family
ID=19842312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59175341A Granted JPS6070500A (ja) | 1983-08-26 | 1984-08-24 | マルチパルス励振線形予測音声符号化装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4736428A (OSRAM) |
| EP (1) | EP0137532B1 (OSRAM) |
| JP (1) | JPS6070500A (OSRAM) |
| AU (1) | AU574708B2 (OSRAM) |
| CA (1) | CA1213059A (OSRAM) |
| DE (1) | DE3475664D1 (OSRAM) |
| NL (1) | NL8302985A (OSRAM) |
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 |
| EP0422232B1 (en) * | 1989-04-25 | 1996-11-13 | Kabushiki Kaisha Toshiba | Voice encoder |
| 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 |
| US5615298A (en) * | 1994-03-14 | 1997-03-25 | Lucent Technologies Inc. | Excitation signal synthesis during frame erasure or packet loss |
| US5574825A (en) * | 1994-03-14 | 1996-11-12 | Lucent Technologies Inc. | Linear prediction coefficient generation 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 DE DE8484201194T patent/DE3475664D1/de not_active Expired
- 1984-08-17 EP EP84201194A patent/EP0137532B1/en 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 |
|---|---|
| DE3475664D1 (en) | 1989-01-19 |
| EP0137532A3 (en) | 1985-07-03 |
| EP0137532B1 (en) | 1988-12-14 |
| US4736428A (en) | 1988-04-05 |
| JPS6070500A (ja) | 1985-04-22 |
| AU574708B2 (en) | 1988-07-14 |
| AU3237884A (en) | 1985-02-28 |
| NL8302985A (nl) | 1985-03-18 |
| EP0137532A2 (en) | 1985-04-17 |
| CA1213059A (en) | 1986-10-21 |
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| JPH0562760B2 (OSRAM) | ||
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