HK1104655A1 - Orthogonalization search for the celp based speech coding - Google Patents
Orthogonalization search for the celp based speech codingInfo
- Publication number
- HK1104655A1 HK1104655A1 HK07109794.2A HK07109794A HK1104655A1 HK 1104655 A1 HK1104655 A1 HK 1104655A1 HK 07109794 A HK07109794 A HK 07109794A HK 1104655 A1 HK1104655 A1 HK 1104655A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- search
- speech coding
- random
- orthogonalization
- based speech
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 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
-
- 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
- G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
-
- 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)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28941297A JP3235543B2 (ja) | 1997-10-22 | 1997-10-22 | 音声符号化/復号化装置 |
JP29513097A JP3175667B2 (ja) | 1997-10-28 | 1997-10-28 | ベクトル量子化法 |
JP08571798A JP3174756B2 (ja) | 1998-03-31 | 1998-03-31 | 音源ベクトル生成装置及び音源ベクトル生成方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1104655A1 true HK1104655A1 (en) | 2008-01-18 |
Family
ID=27304940
Family Applications (10)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK00104635A HK1025417A1 (en) | 1997-10-22 | 2000-07-26 | Sound encoder and sound decoder |
HK06110370A HK1090161A1 (en) | 1997-10-22 | 2006-09-19 | Orthogonalizarion search for the celp based speechcoding |
HK06110927A HK1090465A1 (en) | 1997-10-22 | 2006-10-03 | Method and apparatus for the generation of vectorsfor speech decoding& x9;& x9;& x9;& x9;& x9; |
HK07103128.2A HK1097637A1 (en) | 1997-10-22 | 2007-03-23 | Excitation vector generator for speech coding and speech decoding |
HK07105319.6A HK1099138A1 (en) | 1997-10-22 | 2007-05-21 | Multistage vector quantization for speech encoding |
HK07105320.3A HK1099117A1 (en) | 1997-10-22 | 2007-05-21 | Method and apparatus for generating dispersed vectors |
HK07106627.1A HK1101839A1 (zh) | 1997-10-22 | 2007-06-20 | 編碼器和 編碼方法 |
HK07108050.3A HK1103843A1 (en) | 1997-10-22 | 2007-07-24 | Sound encoder and sound decoder |
HK07109794.2A HK1104655A1 (en) | 1997-10-22 | 2007-09-07 | Orthogonalization search for the celp based speech coding |
HK08113638.3A HK1122639A1 (en) | 1997-10-22 | 2008-12-16 | Voice signal encoder and voice signal decoder |
Family Applications Before (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK00104635A HK1025417A1 (en) | 1997-10-22 | 2000-07-26 | Sound encoder and sound decoder |
HK06110370A HK1090161A1 (en) | 1997-10-22 | 2006-09-19 | Orthogonalizarion search for the celp based speechcoding |
HK06110927A HK1090465A1 (en) | 1997-10-22 | 2006-10-03 | Method and apparatus for the generation of vectorsfor speech decoding& x9;& x9;& x9;& x9;& x9; |
HK07103128.2A HK1097637A1 (en) | 1997-10-22 | 2007-03-23 | Excitation vector generator for speech coding and speech decoding |
HK07105319.6A HK1099138A1 (en) | 1997-10-22 | 2007-05-21 | Multistage vector quantization for speech encoding |
HK07105320.3A HK1099117A1 (en) | 1997-10-22 | 2007-05-21 | Method and apparatus for generating dispersed vectors |
HK07106627.1A HK1101839A1 (zh) | 1997-10-22 | 2007-06-20 | 編碼器和 編碼方法 |
HK07108050.3A HK1103843A1 (en) | 1997-10-22 | 2007-07-24 | Sound encoder and sound decoder |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK08113638.3A HK1122639A1 (en) | 1997-10-22 | 2008-12-16 | Voice signal encoder and voice signal decoder |
Country Status (8)
Country | Link |
---|---|
US (10) | US6415254B1 (xx) |
EP (12) | EP1746583B1 (xx) |
KR (10) | KR100925084B1 (xx) |
CN (1) | CN100349208C (xx) |
CA (3) | CA2275266C (xx) |
DE (8) | DE69836624T2 (xx) |
HK (10) | HK1025417A1 (xx) |
WO (1) | WO1999021174A1 (xx) |
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US7206739B2 (en) * | 2001-05-23 | 2007-04-17 | Samsung Electronics Co., Ltd. | Excitation codebook search method in a speech coding system |
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1998
- 1998-10-22 EP EP06021073A patent/EP1746583B1/en not_active Expired - Lifetime
- 1998-10-22 DE DE69836624T patent/DE69836624T2/de not_active Expired - Lifetime
- 1998-10-22 KR KR1020087018788A patent/KR100925084B1/ko not_active IP Right Cessation
- 1998-10-22 DE DE69838305T patent/DE69838305T2/de not_active Expired - Lifetime
- 1998-10-22 KR KR1020077016451A patent/KR100886062B1/ko not_active IP Right Cessation
- 1998-10-22 KR KR1019997005510A patent/KR100651438B1/ko not_active IP Right Cessation
- 1998-10-22 DE DE69840855T patent/DE69840855D1/de not_active Expired - Lifetime
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