AU566370B2 - Improved method and means of determining coefficients for linear predictive coding - Google Patents
Improved method and means of determining coefficients for linear predictive codingInfo
- Publication number
- AU566370B2 AU566370B2 AU24391/84A AU2439184A AU566370B2 AU 566370 B2 AU566370 B2 AU 566370B2 AU 24391/84 A AU24391/84 A AU 24391/84A AU 2439184 A AU2439184 A AU 2439184A AU 566370 B2 AU566370 B2 AU 566370B2
- Authority
- AU
- Australia
- Prior art keywords
- coefficients
- signal
- ram
- sequencer
- lattice
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical group C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 19
- 238000004364 calculation method Methods 0.000 abstract description 10
- 238000005070 sampling Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 8
- 102100021878 Neuronal pentraxin-2 Human genes 0.000 description 5
- 101710155147 Neuronal pentraxin-2 Proteins 0.000 description 5
- 210000001260 vocal cord Anatomy 0.000 description 3
- 230000001755 vocal effect Effects 0.000 description 3
- APOYTRAZFJURPB-UHFFFAOYSA-N 2-methoxy-n-(2-methoxyethyl)-n-(trifluoro-$l^{4}-sulfanyl)ethanamine Chemical compound COCCN(S(F)(F)F)CCOC APOYTRAZFJURPB-UHFFFAOYSA-N 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- NUHSROFQTUXZQQ-UHFFFAOYSA-N isopentenyl diphosphate Chemical compound CC(=C)CCO[P@](O)(=O)OP(O)(O)=O NUHSROFQTUXZQQ-UHFFFAOYSA-N 0.000 description 1
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012360 testing method Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Radar Systems Or Details Thereof (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45492983A | 1983-01-03 | 1983-01-03 | |
| US454929 | 1983-01-03 | ||
| PCT/US1983/002038 WO1984002814A1 (fr) | 1983-01-03 | 1983-12-22 | Procede et dispositif ameliores de determination des coefficients de codage lineaire par prediction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2439184A AU2439184A (en) | 1984-08-02 |
| AU566370B2 true AU566370B2 (en) | 1987-10-15 |
Family
ID=23806651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU24391/84A Ceased AU566370B2 (en) | 1983-01-03 | 1983-12-22 | Improved method and means of determining coefficients for linear predictive coding |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0135512B1 (fr) |
| JP (1) | JPS60500274A (fr) |
| AT (1) | ATE36206T1 (fr) |
| AU (1) | AU566370B2 (fr) |
| DE (1) | DE3377599D1 (fr) |
| DK (1) | DK417184A (fr) |
| FI (1) | FI843448A (fr) |
| NO (1) | NO843498L (fr) |
| WO (1) | WO1984002814A1 (fr) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662115A (en) * | 1970-02-07 | 1972-05-09 | Nippon Telegraph & Telephone | Audio response apparatus using partial autocorrelation techniques |
| GB2026289B (en) * | 1978-04-12 | 1982-04-21 | Secr Defence | Self-adaptive linear prediction filters |
| JPS597120B2 (ja) * | 1978-11-24 | 1984-02-16 | 日本電気株式会社 | 音声分析装置 |
| JPS55164700U (fr) * | 1979-05-14 | 1980-11-26 | ||
| JPS5853358B2 (ja) * | 1980-03-31 | 1983-11-29 | 株式会社東芝 | 音声分析装置 |
| US4378469A (en) * | 1981-05-26 | 1983-03-29 | Motorola Inc. | Human voice analyzing apparatus |
-
1983
- 1983-12-22 JP JP84500731A patent/JPS60500274A/ja active Pending
- 1983-12-22 AU AU24391/84A patent/AU566370B2/en not_active Ceased
- 1983-12-22 DE DE8484900575T patent/DE3377599D1/de not_active Expired
- 1983-12-22 EP EP84900575A patent/EP0135512B1/fr not_active Expired
- 1983-12-22 WO PCT/US1983/002038 patent/WO1984002814A1/fr active IP Right Grant
- 1983-12-22 AT AT84900575T patent/ATE36206T1/de not_active IP Right Cessation
-
1984
- 1984-08-31 DK DK417184A patent/DK417184A/da not_active Application Discontinuation
- 1984-09-03 NO NO843498A patent/NO843498L/no unknown
- 1984-09-03 FI FI843448A patent/FI843448A/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0135512B1 (fr) | 1988-08-03 |
| DK417184A (da) | 1984-10-04 |
| DK417184D0 (da) | 1984-08-31 |
| FI843448A0 (fi) | 1984-09-03 |
| WO1984002814A1 (fr) | 1984-07-19 |
| DE3377599D1 (en) | 1988-09-08 |
| ATE36206T1 (de) | 1988-08-15 |
| EP0135512A1 (fr) | 1985-04-03 |
| AU2439184A (en) | 1984-08-02 |
| JPS60500274A (ja) | 1985-02-28 |
| EP0135512A4 (fr) | 1985-06-10 |
| FI843448A (fi) | 1984-09-03 |
| NO843498L (no) | 1984-09-03 |
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