IL114818A - קוונטיזציה לוקטור רגישות משוקלל של מערך ספקטרי של צמד תדירויות - Google Patents
קוונטיזציה לוקטור רגישות משוקלל של מערך ספקטרי של צמד תדירויותInfo
- Publication number
- IL114818A IL114818A IL11481895A IL11481895A IL114818A IL 114818 A IL114818 A IL 114818A IL 11481895 A IL11481895 A IL 11481895A IL 11481895 A IL11481895 A IL 11481895A IL 114818 A IL114818 A IL 114818A
- Authority
- IL
- Israel
- Prior art keywords
- lsp
- coefficients
- sensitivity
- frequencies
- accordance
- Prior art date
Links
- 230000035945 sensitivity Effects 0.000 title claims abstract description 65
- 238000013139 quantization Methods 0.000 title claims abstract description 42
- 239000013598 vector Substances 0.000 title claims abstract description 36
- 230000003595 spectral effect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000000205 computational method Methods 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000001131 transforming effect 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/286,150 US5704001A (en) | 1994-08-04 | 1994-08-04 | Sensitivity weighted vector quantization of line spectral pair frequencies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL114818A0 IL114818A0 (en) | 1995-12-08 |
| IL114818A true IL114818A (he) | 1998-12-06 |
Family
ID=23097312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL11481895A IL114818A (he) | 1994-08-04 | 1995-08-03 | קוונטיזציה לוקטור רגישות משוקלל של מערך ספקטרי של צמד תדירויות |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5704001A (he) |
| AU (1) | AU3404095A (he) |
| IL (1) | IL114818A (he) |
| TW (1) | TW297973B (he) |
| WO (1) | WO1996004647A1 (he) |
| ZA (1) | ZA956077B (he) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3557255B2 (ja) * | 1994-10-18 | 2004-08-25 | 松下電器産業株式会社 | Ｌｓｐパラメータ復号化装置及び復号化方法 |
| US6487527B1 (en) * | 2000-05-09 | 2002-11-26 | Seda Solutions Corp. | Enhanced quantization method for spectral frequency coding |
| PE20011350A1 (es) | 2000-05-19 | 2002-01-15 | Vertex Pharma | PROFARMACO DE UN INHIBIDOR DE ENZIMA CONVERTIDORA DE INTERLEUCINA-1ß (ICE) |
| EP1303857A1 (en) * | 2000-07-05 | 2003-04-23 | Koninklijke Philips Electronics N.V. | Method of converting line spectral frequencies back to linear prediction coefficients |
| US7003454B2 (en) * | 2001-05-16 | 2006-02-21 | Nokia Corporation | Method and system for line spectral frequency vector quantization in speech codec |
| US7263481B2 (en) * | 2003-01-09 | 2007-08-28 | Dilithium Networks Pty Limited | Method and apparatus for improved quality voice transcoding |
| US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2059726B (en) * | 1979-10-03 | 1984-06-27 | Nippon Telegraph & Telephone | Sound synthesizer |
| TW224191B (he) * | 1992-01-28 | 1994-05-21 | Qualcomm Inc |
-
1994
- 1994-08-04 US US08/286,150 patent/US5704001A/en not_active Expired - Lifetime
-
1995
- 1995-07-08 TW TW084107085A patent/TW297973B/zh not_active IP Right Cessation
- 1995-07-20 ZA ZA956077A patent/ZA956077B/xx unknown
- 1995-08-01 AU AU34040/95A patent/AU3404095A/en not_active Abandoned
- 1995-08-01 WO PCT/US1995/009862 patent/WO1996004647A1/en active Application Filing
- 1995-08-03 IL IL11481895A patent/IL114818A/he not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996004647A1 (en) | 1996-02-15 |
| TW297973B (he) | 1997-02-11 |
| ZA956077B (en) | 1996-03-15 |
| IL114818A0 (en) | 1995-12-08 |
| AU3404095A (en) | 1996-03-04 |
| US5704001A (en) | 1997-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0409239B1 (en) | Speech coding/decoding method | |
| US7149683B2 (en) | Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding | |
| US7136812B2 (en) | Variable rate speech coding | |
| US6148283A (en) | Method and apparatus using multi-path multi-stage vector quantizer | |
| EP0842509B1 (en) | Method and apparatus for generating and encoding line spectral square roots | |
| US5339384A (en) | Code-excited linear predictive coding with low delay for speech or audio signals | |
| EP1221694B1 (en) | Voice encoder/decoder | |
| EP0898267B1 (en) | Speech coding system | |
| US6484140B2 (en) | Apparatus and method for encoding a signal as well as apparatus and method for decoding signal | |
| US7003454B2 (en) | Method and system for line spectral frequency vector quantization in speech codec | |
| EP1062661B1 (en) | Speech coding | |
| EP0673016A2 (en) | Linear prediction coefficient generation during frame erasure or packet loss | |
| EP0673018A2 (en) | Linear prediction coefficient generation during frame erasure or packet loss | |
| KR19990088582A (ko) | 신호의기본주파수를추정하기위한방법및장치 | |
| US20010051873A1 (en) | Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation | |
| US4720865A (en) | Multi-pulse type vocoder | |
| US7617096B2 (en) | Robust quantization and inverse quantization using illegal space | |
| US7603271B2 (en) | Speech coding apparatus with perceptual weighting and method therefor | |
| US7610198B2 (en) | Robust quantization with efficient WMSE search of a sign-shape codebook using illegal space | |
| US5704001A (en) | Sensitivity weighted vector quantization of line spectral pair frequencies | |
| US7647223B2 (en) | Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space | |
| US5621853A (en) | Burst excited linear prediction | |
| AU702506C (en) | Method and apparatus for generating and encoding line spectral square roots | |
| US7899667B2 (en) | Waveform interpolation speech coding apparatus and method for reducing complexity thereof | |
| EP0573215A2 (en) | Vocoder synchronization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |