HK1078979A1 - Method and apparatus for predictively quantizing voiced speech - Google Patents
Method and apparatus for predictively quantizing voiced speechInfo
- Publication number
- HK1078979A1 HK1078979A1 HK05110732A HK05110732A HK1078979A1 HK 1078979 A1 HK1078979 A1 HK 1078979A1 HK 05110732 A HK05110732 A HK 05110732A HK 05110732 A HK05110732 A HK 05110732A HK 1078979 A1 HK1078979 A1 HK 1078979A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- voiced speech
- predictively
- predictively quantizing
- quantizing voiced
- processor
- 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
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- 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
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/097—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using prototype waveform decomposition or prototype waveform interpolative [PWI] coders
-
- 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
- G10L19/26—Pre-filtering or post-filtering
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55728200A | 2000-04-24 | 2000-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1078979A1 true HK1078979A1 (en) | 2006-03-24 |
Family
ID=24224775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK05110732A HK1078979A1 (en) | 2000-04-24 | 2003-10-15 | Method and apparatus for predictively quantizing voiced speech |
Country Status (13)
Country | Link |
---|---|
US (2) | US7426466B2 (de) |
EP (3) | EP2040253B1 (de) |
JP (1) | JP5037772B2 (de) |
KR (1) | KR100804461B1 (de) |
CN (2) | CN100362568C (de) |
AT (3) | ATE363711T1 (de) |
AU (1) | AU2001253752A1 (de) |
BR (1) | BR0110253A (de) |
DE (2) | DE60128677T2 (de) |
ES (2) | ES2287122T3 (de) |
HK (1) | HK1078979A1 (de) |
TW (1) | TW519616B (de) |
WO (1) | WO2001082293A1 (de) |
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-
2001
- 2001-04-20 KR KR1020027014234A patent/KR100804461B1/ko active IP Right Grant
- 2001-04-20 EP EP08173008A patent/EP2040253B1/de not_active Expired - Lifetime
- 2001-04-20 ES ES01927283T patent/ES2287122T3/es not_active Expired - Lifetime
- 2001-04-20 ES ES07105323T patent/ES2318820T3/es not_active Expired - Lifetime
- 2001-04-20 EP EP01927283A patent/EP1279167B1/de not_active Expired - Lifetime
- 2001-04-20 DE DE60128677T patent/DE60128677T2/de not_active Expired - Lifetime
- 2001-04-20 AT AT01927283T patent/ATE363711T1/de not_active IP Right Cessation
- 2001-04-20 CN CNB2005100527491A patent/CN100362568C/zh not_active Expired - Lifetime
- 2001-04-20 CN CN01810523A patent/CN1432176A/zh active Pending
- 2001-04-20 AU AU2001253752A patent/AU2001253752A1/en not_active Abandoned
- 2001-04-20 BR BR0110253-2A patent/BR0110253A/pt not_active Application Discontinuation
- 2001-04-20 DE DE60137376T patent/DE60137376D1/de not_active Expired - Lifetime
- 2001-04-20 WO PCT/US2001/012988 patent/WO2001082293A1/en active IP Right Grant
- 2001-04-20 AT AT07105323T patent/ATE420432T1/de not_active IP Right Cessation
- 2001-04-20 AT AT08173008T patent/ATE553472T1/de active
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- 2001-04-24 TW TW090109793A patent/TW519616B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
KR20020093943A (ko) | 2002-12-16 |
WO2001082293A1 (en) | 2001-11-01 |
KR100804461B1 (ko) | 2008-02-20 |
EP1796083A2 (de) | 2007-06-13 |
EP1796083A3 (de) | 2007-08-01 |
ATE363711T1 (de) | 2007-06-15 |
ATE420432T1 (de) | 2009-01-15 |
EP1796083B1 (de) | 2009-01-07 |
US20040260542A1 (en) | 2004-12-23 |
JP5037772B2 (ja) | 2012-10-03 |
US20080312917A1 (en) | 2008-12-18 |
ES2318820T3 (es) | 2009-05-01 |
EP2040253B1 (de) | 2012-04-11 |
DE60128677D1 (de) | 2007-07-12 |
EP1279167A1 (de) | 2003-01-29 |
CN100362568C (zh) | 2008-01-16 |
EP1279167B1 (de) | 2007-05-30 |
US7426466B2 (en) | 2008-09-16 |
ATE553472T1 (de) | 2012-04-15 |
JP2003532149A (ja) | 2003-10-28 |
US8660840B2 (en) | 2014-02-25 |
EP2040253A1 (de) | 2009-03-25 |
CN1432176A (zh) | 2003-07-23 |
DE60128677T2 (de) | 2008-03-06 |
AU2001253752A1 (en) | 2001-11-07 |
TW519616B (en) | 2003-02-01 |
BR0110253A (pt) | 2006-02-07 |
CN1655236A (zh) | 2005-08-17 |
DE60137376D1 (de) | 2009-02-26 |
ES2287122T3 (es) | 2007-12-16 |
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