ITMI941283A0 - Metodo per migliorare le prestazioni dei codificatori vocali - Google Patents
Metodo per migliorare le prestazioni dei codificatori vocaliInfo
- Publication number
- ITMI941283A0 ITMI941283A0 ITMI941283A ITMI941283A ITMI941283A0 IT MI941283 A0 ITMI941283 A0 IT MI941283A0 IT MI941283 A ITMI941283 A IT MI941283A IT MI941283 A ITMI941283 A IT MI941283A IT MI941283 A0 ITMI941283 A0 IT MI941283A0
- Authority
- IT
- Italy
- Prior art keywords
- performance
- improve
- voice coders
- coders
- voice
- Prior art date
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
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- 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
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941283A IT1271182B (it) | 1994-06-20 | 1994-06-20 | Metodo per migliorare le prestazioni dei codificatori vocali |
DE69512323T DE69512323T2 (de) | 1994-06-20 | 1995-06-08 | Methode zur Verbesserung der Eigenschaften von Sprachkodierern |
EP95108870A EP0689189B1 (en) | 1994-06-20 | 1995-06-08 | Method of improving the features of voice coders |
AU21753/95A AU698340B2 (en) | 1994-06-20 | 1995-06-20 | Voice coder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941283A IT1271182B (it) | 1994-06-20 | 1994-06-20 | Metodo per migliorare le prestazioni dei codificatori vocali |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI941283A0 true ITMI941283A0 (it) | 1994-06-20 |
ITMI941283A1 ITMI941283A1 (it) | 1995-12-20 |
IT1271182B IT1271182B (it) | 1997-05-27 |
Family
ID=11369140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI941283A IT1271182B (it) | 1994-06-20 | 1994-06-20 | Metodo per migliorare le prestazioni dei codificatori vocali |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0689189B1 (it) |
AU (1) | AU698340B2 (it) |
DE (1) | DE69512323T2 (it) |
IT (1) | IT1271182B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3273455B2 (ja) * | 1994-10-07 | 2002-04-08 | 日本電信電話株式会社 | ベクトル量子化方法及びその復号化器 |
DE10047172C1 (de) * | 2000-09-22 | 2001-11-29 | Siemens Ag | Verfahren zur Sprachverarbeitung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235669A (en) * | 1990-06-29 | 1993-08-10 | At&T Laboratories | Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec |
FI98104C (fi) * | 1991-05-20 | 1997-04-10 | Nokia Mobile Phones Ltd | Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi |
JPH06138896A (ja) * | 1991-05-31 | 1994-05-20 | Motorola Inc | 音声フレームを符号化するための装置および方法 |
-
1994
- 1994-06-20 IT ITMI941283A patent/IT1271182B/it active IP Right Grant
-
1995
- 1995-06-08 DE DE69512323T patent/DE69512323T2/de not_active Expired - Lifetime
- 1995-06-08 EP EP95108870A patent/EP0689189B1/en not_active Expired - Lifetime
- 1995-06-20 AU AU21753/95A patent/AU698340B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE69512323D1 (de) | 1999-10-28 |
EP0689189A1 (en) | 1995-12-27 |
AU698340B2 (en) | 1998-10-29 |
DE69512323T2 (de) | 2000-07-06 |
IT1271182B (it) | 1997-05-27 |
EP0689189B1 (en) | 1999-09-22 |
ITMI941283A1 (it) | 1995-12-20 |
AU2175395A (en) | 1996-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970530 |