FI105623B - Menetelmä, jolla koodataan ja dekoodataan näytteistetty, toistuvaisluonteinen analoginen signaali, ja laite, jolla koodataan ja dekoodataan menetelmää käyttäen - Google Patents
Menetelmä, jolla koodataan ja dekoodataan näytteistetty, toistuvaisluonteinen analoginen signaali, ja laite, jolla koodataan ja dekoodataan menetelmää käyttäen Download PDFInfo
- Publication number
- FI105623B FI105623B FI914993A FI914993A FI105623B FI 105623 B FI105623 B FI 105623B FI 914993 A FI914993 A FI 914993A FI 914993 A FI914993 A FI 914993A FI 105623 B FI105623 B FI 105623B
- Authority
- FI
- Finland
- Prior art keywords
- values
- amplitudes
- signal
- received
- combined
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003252 repetitive effect Effects 0.000 title description 2
- 230000009466 transformation Effects 0.000 claims abstract description 5
- 230000007774 longterm Effects 0.000 claims description 9
- 238000013139 quantization Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 230000006870 function Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000844 transformation 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term 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)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Electrically Operated Instructional Devices (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9002308 | 1990-10-23 | ||
NL9002308A NL9002308A (nl) | 1990-10-23 | 1990-10-23 | Werkwijze voor het coderen en decoderen van een bemonsterd analoog signaal met een herhalend karakter en een inrichting voor het volgens deze werkwijze coderen en decoderen. |
Publications (3)
Publication Number | Publication Date |
---|---|
FI914993A0 FI914993A0 (fi) | 1991-10-23 |
FI914993A FI914993A (fi) | 1992-04-24 |
FI105623B true FI105623B (fi) | 2000-09-15 |
Family
ID=19857866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI914993A FI105623B (fi) | 1990-10-23 | 1991-10-23 | Menetelmä, jolla koodataan ja dekoodataan näytteistetty, toistuvaisluonteinen analoginen signaali, ja laite, jolla koodataan ja dekoodataan menetelmää käyttäen |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0482699B1 (de) |
JP (1) | JP2958726B2 (de) |
AT (1) | ATE157188T1 (de) |
CA (1) | CA2053133C (de) |
DE (1) | DE69127339T2 (de) |
DK (1) | DK0482699T3 (de) |
ES (1) | ES2106051T3 (de) |
FI (1) | FI105623B (de) |
NL (1) | NL9002308A (de) |
NO (1) | NO305188B1 (de) |
PT (1) | PT99294A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07261797A (ja) * | 1994-03-18 | 1995-10-13 | Mitsubishi Electric Corp | 信号符号化装置及び信号復号化装置 |
JPH09127995A (ja) * | 1995-10-26 | 1997-05-16 | Sony Corp | 信号復号化方法及び信号復号化装置 |
JP2000165251A (ja) * | 1998-11-27 | 2000-06-16 | Matsushita Electric Ind Co Ltd | オーディオ信号符号化装置及びそれを実現したマイクロホン |
FI116992B (fi) | 1999-07-05 | 2006-04-28 | Nokia Corp | Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi |
EP1113432B1 (de) * | 1999-12-24 | 2011-03-30 | International Business Machines Corporation | Verfahren und System zur Erkennung von identischen digitalen Daten |
CN114519996B (zh) * | 2022-04-20 | 2022-07-08 | 北京远鉴信息技术有限公司 | 一种语音合成类型的确定方法、装置、设备以及存储介质 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5650398A (en) * | 1979-10-01 | 1981-05-07 | Hitachi Ltd | Sound synthesizer |
US4742550A (en) * | 1984-09-17 | 1988-05-03 | Motorola, Inc. | 4800 BPS interoperable relp system |
JP2892462B2 (ja) * | 1990-08-27 | 1999-05-17 | 沖電気工業株式会社 | コード励振線形予測符号化器 |
-
1990
- 1990-10-23 NL NL9002308A patent/NL9002308A/nl not_active Application Discontinuation
-
1991
- 1991-10-10 CA CA002053133A patent/CA2053133C/en not_active Expired - Lifetime
- 1991-10-16 AT AT91202675T patent/ATE157188T1/de not_active IP Right Cessation
- 1991-10-16 EP EP91202675A patent/EP0482699B1/de not_active Expired - Lifetime
- 1991-10-16 DE DE69127339T patent/DE69127339T2/de not_active Expired - Lifetime
- 1991-10-16 DK DK91202675.4T patent/DK0482699T3/da active
- 1991-10-16 ES ES91202675T patent/ES2106051T3/es not_active Expired - Lifetime
- 1991-10-17 JP JP3332967A patent/JP2958726B2/ja not_active Expired - Lifetime
- 1991-10-18 NO NO914105A patent/NO305188B1/no not_active IP Right Cessation
- 1991-10-22 PT PT99294A patent/PT99294A/pt not_active Application Discontinuation
- 1991-10-23 FI FI914993A patent/FI105623B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2106051T3 (es) | 1997-11-01 |
NO914105D0 (no) | 1991-10-18 |
DE69127339T2 (de) | 1998-01-29 |
FI914993A0 (fi) | 1991-10-23 |
CA2053133A1 (en) | 1992-04-24 |
EP0482699A2 (de) | 1992-04-29 |
DE69127339D1 (de) | 1997-09-25 |
EP0482699B1 (de) | 1997-08-20 |
JP2958726B2 (ja) | 1999-10-06 |
NL9002308A (nl) | 1992-05-18 |
PT99294A (pt) | 1994-01-31 |
CA2053133C (en) | 1996-05-21 |
JPH05268098A (ja) | 1993-10-15 |
EP0482699A3 (en) | 1992-08-19 |
DK0482699T3 (da) | 1998-03-30 |
NO914105L (no) | 1992-04-24 |
NO305188B1 (no) | 1999-04-12 |
FI914993A (fi) | 1992-04-24 |
ATE157188T1 (de) | 1997-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI84538C (fi) | Foerfarande foer transmission av digitaliska audiosignaler. | |
FI119459B (fi) | Eri koodausperiaatteet toteuttava siirtojärjestelmä | |
US5115240A (en) | Method and apparatus for encoding voice signals divided into a plurality of frequency bands | |
FI112979B (fi) | Digitaalisen datan erittäin tehokas koodauslaite | |
US6526376B1 (en) | Split band linear prediction vocoder with pitch extraction | |
FI116992B (fi) | Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi | |
US5089818A (en) | Method of transmitting or storing sound signals in digital form through predictive and adaptive coding and installation therefore | |
JPS6326947B2 (de) | ||
FR2475264A1 (fr) | Procede et systeme de transmission d'un signal de parole avec codage a prediction | |
JPS6161305B2 (de) | ||
EP1073038B1 (de) | Teilband-Audiokodiersystem | |
JPS5921039B2 (ja) | 適応予測符号化方式 | |
FI103443B (fi) | Menetelmä signaalin siirtämistä varten | |
EP2773045B1 (de) | Verfahren zur Fehlanpassungskorrektur des Ausgangssisgnals eines zeitverschachtelten Analog-Digital-Wandlers | |
US3471648A (en) | Vocoder utilizing companding to reduce background noise caused by quantizing errors | |
FI105623B (fi) | Menetelmä, jolla koodataan ja dekoodataan näytteistetty, toistuvaisluonteinen analoginen signaali, ja laite, jolla koodataan ja dekoodataan menetelmää käyttäen | |
FI105621B (fi) | Menetelmä ja laite analogiasignaalin käsittelemiseksi | |
CA2016042C (en) | System for coding wide-bank audio signals | |
SE527669C2 (sv) | Förbättrad felmaskering i frekvensdomänen | |
US5504832A (en) | Reduction of phase information in coding of speech | |
JP4287545B2 (ja) | サブバンド符号化方式 | |
JPS5912499A (ja) | 音声符号化装置 | |
JP2003150198A (ja) | 音声符号化装置および音声復号化装置 | |
CA2464251C (en) | Method and apparatus for spectrom analysis | |
US5588089A (en) | Bark amplitude component coder for a sampled analog signal and decoder for the coded signal |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |