CA2090205C - Speech coding system - Google Patents
Speech coding systemInfo
- Publication number
- CA2090205C CA2090205C CA002090205A CA2090205A CA2090205C CA 2090205 C CA2090205 C CA 2090205C CA 002090205 A CA002090205 A CA 002090205A CA 2090205 A CA2090205 A CA 2090205A CA 2090205 C CA2090205 C CA 2090205C
- Authority
- CA
- Canada
- Prior art keywords
- speech
- vector
- adaptive
- weighted
- weighting
- 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 - Fee Related
Links
- 239000013598 vector Substances 0.000 claims abstract description 80
- 230000003044 adaptive effect Effects 0.000 claims abstract description 46
- 230000005284 excitation Effects 0.000 claims abstract description 31
- 230000002194 synthesizing effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000003786 synthesis reaction Methods 0.000 description 12
- 230000014509 gene expression Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 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
- G10L19/12—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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03588192A JP3248215B2 (ja) | 1992-02-24 | 1992-02-24 | 音声符号化装置 |
JP035881/1992 | 1992-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2090205A1 CA2090205A1 (en) | 1993-08-25 |
CA2090205C true CA2090205C (en) | 1998-08-04 |
Family
ID=12454351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002090205A Expired - Fee Related CA2090205C (en) | 1992-02-24 | 1993-02-23 | Speech coding system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0557940B1 (ja) |
JP (1) | JP3248215B2 (ja) |
CA (1) | CA2090205C (ja) |
DE (1) | DE69329476T2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2591430B2 (ja) * | 1993-06-30 | 1997-03-19 | 日本電気株式会社 | ベクトル量子化装置 |
DE69625523T2 (de) | 1995-05-10 | 2003-07-10 | Nintendo Co Ltd | Steuergerät mit analogem Joystick |
JP3524247B2 (ja) | 1995-10-09 | 2004-05-10 | 任天堂株式会社 | ゲーム機およびそれを用いたゲーム機システム |
MX9704155A (es) | 1995-10-09 | 1997-09-30 | Nintendo Co Ltd | Sistema procesador de imagenes tridimensionales. |
JP3544268B2 (ja) | 1995-10-09 | 2004-07-21 | 任天堂株式会社 | 三次元画像処理装置およびそれを用いた画像処理方法 |
US6022274A (en) | 1995-11-22 | 2000-02-08 | Nintendo Co., Ltd. | Video game system using memory module |
US6190257B1 (en) | 1995-11-22 | 2001-02-20 | Nintendo Co., Ltd. | Systems and method for providing security in a video game system |
US6267673B1 (en) | 1996-09-20 | 2001-07-31 | Nintendo Co., Ltd. | Video game system with state of next world dependent upon manner of entry from previous world via a portal |
TW419645B (en) * | 1996-05-24 | 2001-01-21 | Koninkl Philips Electronics Nv | A method for coding Human speech and an apparatus for reproducing human speech so coded |
US6241610B1 (en) | 1996-09-20 | 2001-06-05 | Nintendo Co., Ltd. | Three-dimensional image processing system having dynamically changing character polygon number |
US6139434A (en) | 1996-09-24 | 2000-10-31 | Nintendo Co., Ltd. | Three-dimensional image processing apparatus with enhanced automatic and user point of view control |
JP3655438B2 (ja) | 1997-07-17 | 2005-06-02 | 任天堂株式会社 | ビデオゲームシステム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68922134T2 (de) * | 1988-05-20 | 1995-11-30 | Nippon Electric Co | Überträgungssystem für codierte Sprache mit Codebüchern zur Synthetisierung von Komponenten mit niedriger Amplitude. |
US4975956A (en) * | 1989-07-26 | 1990-12-04 | Itt Corporation | Low-bit-rate speech coder using LPC data reduction processing |
EP0443548B1 (en) * | 1990-02-22 | 2003-07-23 | Nec Corporation | Speech coder |
JPH05108096A (ja) * | 1991-10-18 | 1993-04-30 | Sanyo Electric Co Ltd | ベクトル駆動型音声符号化装置 |
-
1992
- 1992-02-24 JP JP03588192A patent/JP3248215B2/ja not_active Expired - Fee Related
-
1993
- 1993-02-23 EP EP93102794A patent/EP0557940B1/en not_active Expired - Lifetime
- 1993-02-23 CA CA002090205A patent/CA2090205C/en not_active Expired - Fee Related
- 1993-02-23 DE DE69329476T patent/DE69329476T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH05232997A (ja) | 1993-09-10 |
DE69329476T2 (de) | 2001-02-08 |
EP0557940B1 (en) | 2000-09-27 |
JP3248215B2 (ja) | 2002-01-21 |
DE69329476D1 (de) | 2000-11-02 |
EP0557940A2 (en) | 1993-09-01 |
EP0557940A3 (ja) | 1994-03-23 |
CA2090205A1 (en) | 1993-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |