DE69521272D1 - Wiederherstellung einer Folge von Sprachkode-Parametern mittels Klassifizierung und eines Verzeichnisses der Parameterverläufe - Google Patents
Wiederherstellung einer Folge von Sprachkode-Parametern mittels Klassifizierung und eines Verzeichnisses der ParameterverläufeInfo
- Publication number
- DE69521272D1 DE69521272D1 DE69521272T DE69521272T DE69521272D1 DE 69521272 D1 DE69521272 D1 DE 69521272D1 DE 69521272 T DE69521272 T DE 69521272T DE 69521272 T DE69521272 T DE 69521272T DE 69521272 D1 DE69521272 D1 DE 69521272D1
- Authority
- DE
- Germany
- Prior art keywords
- restoration
- classification
- list
- sequence
- language code
- 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
- G10L19/0018—Speech coding using phonetic or linguistical decoding of the source; Reconstruction using text-to-speech synthesis
-
- 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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0012—Smoothing of parameters of the decoder interpolation
-
- 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
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/346,798 US5839102A (en) | 1994-11-30 | 1994-11-30 | Speech coding parameter sequence reconstruction by sequence classification and interpolation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521272D1 true DE69521272D1 (de) | 2001-07-19 |
DE69521272T2 DE69521272T2 (de) | 2002-01-10 |
Family
ID=23361091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521272T Expired - Lifetime DE69521272T2 (de) | 1994-11-30 | 1995-11-21 | Wiederherstellung einer Folge von Sprachkode-Parametern mittels Klassifizierung und eines Verzeichnisses der Parameterverläufe |
Country Status (8)
Country | Link |
---|---|
US (1) | US5839102A (de) |
EP (1) | EP0715297B1 (de) |
JP (1) | JP3489704B2 (de) |
KR (1) | KR960020012A (de) |
CA (1) | CA2156558C (de) |
DE (1) | DE69521272T2 (de) |
ES (1) | ES2158052T3 (de) |
TW (1) | TW260846B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6240384B1 (en) * | 1995-12-04 | 2001-05-29 | Kabushiki Kaisha Toshiba | Speech synthesis method |
US6113653A (en) * | 1998-09-11 | 2000-09-05 | Motorola, Inc. | Method and apparatus for coding an information signal using delay contour adjustment |
US6463407B2 (en) * | 1998-11-13 | 2002-10-08 | Qualcomm Inc. | Low bit-rate coding of unvoiced segments of speech |
US6453287B1 (en) * | 1999-02-04 | 2002-09-17 | Georgia-Tech Research Corporation | Apparatus and quality enhancement algorithm for mixed excitation linear predictive (MELP) and other speech coders |
US6493664B1 (en) * | 1999-04-05 | 2002-12-10 | Hughes Electronics Corporation | Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system |
US6304842B1 (en) * | 1999-06-30 | 2001-10-16 | Glenayre Electronics, Inc. | Location and coding of unvoiced plosives in linear predictive coding of speech |
US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
US7162415B2 (en) * | 2001-11-06 | 2007-01-09 | The Regents Of The University Of California | Ultra-narrow bandwidth voice coding |
ES2237706T3 (es) | 2001-11-29 | 2005-08-01 | Coding Technologies Ab | Reconstruccion de componentes de alta frecuencia. |
SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
US8589166B2 (en) * | 2009-10-22 | 2013-11-19 | Broadcom Corporation | Speech content based packet loss concealment |
US8924200B2 (en) * | 2010-10-15 | 2014-12-30 | Motorola Mobility Llc | Audio signal bandwidth extension in CELP-based speech coder |
US8868432B2 (en) * | 2010-10-15 | 2014-10-21 | Motorola Mobility Llc | Audio signal bandwidth extension in CELP-based speech coder |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3597619A (en) * | 1965-12-23 | 1971-08-03 | Universal Drafting Machine Cor | Automatic drafting-digitizing apparatus |
US4680797A (en) * | 1984-06-26 | 1987-07-14 | The United States Of America As Represented By The Secretary Of The Air Force | Secure digital speech communication |
CA1252568A (en) * | 1984-12-24 | 1989-04-11 | Kazunori Ozawa | Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate |
US4852179A (en) * | 1987-10-05 | 1989-07-25 | Motorola, Inc. | Variable frame rate, fixed bit rate vocoding method |
JPH03160575A (ja) * | 1989-11-20 | 1991-07-10 | Toshiba Corp | 画像表示装置 |
US5355430A (en) * | 1991-08-12 | 1994-10-11 | Mechatronics Holding Ag | Method for encoding and decoding a human speech signal by using a set of parameters |
US5351338A (en) * | 1992-07-06 | 1994-09-27 | Telefonaktiebolaget L M Ericsson | Time variable spectral analysis based on interpolation for speech coding |
CA2105269C (en) * | 1992-10-09 | 1998-08-25 | Yair Shoham | Time-frequency interpolation with application to low rate speech coding |
US5416613A (en) * | 1993-10-29 | 1995-05-16 | Xerox Corporation | Color printer calibration test pattern |
US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
-
1994
- 1994-11-30 US US08/346,798 patent/US5839102A/en not_active Expired - Lifetime
-
1995
- 1995-04-25 TW TW084104083A patent/TW260846B/zh not_active IP Right Cessation
- 1995-08-21 CA CA002156558A patent/CA2156558C/en not_active Expired - Fee Related
- 1995-11-21 ES ES95308359T patent/ES2158052T3/es not_active Expired - Lifetime
- 1995-11-21 DE DE69521272T patent/DE69521272T2/de not_active Expired - Lifetime
- 1995-11-21 EP EP95308359A patent/EP0715297B1/de not_active Expired - Lifetime
- 1995-11-29 KR KR1019950044788A patent/KR960020012A/ko not_active Application Discontinuation
- 1995-11-30 JP JP33436795A patent/JP3489704B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69521272T2 (de) | 2002-01-10 |
US5839102A (en) | 1998-11-17 |
KR960020012A (ko) | 1996-06-17 |
EP0715297A3 (de) | 1998-01-07 |
CA2156558A1 (en) | 1996-05-31 |
EP0715297B1 (de) | 2001-06-13 |
ES2158052T3 (es) | 2001-09-01 |
CA2156558C (en) | 2001-01-16 |
JP3489704B2 (ja) | 2004-01-26 |
TW260846B (en) | 1995-10-21 |
JPH08254994A (ja) | 1996-10-01 |
EP0715297A2 (de) | 1996-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |