BE743226A - - Google Patents
Info
- Publication number
- BE743226A BE743226A BE743226DA BE743226A BE 743226 A BE743226 A BE 743226A BE 743226D A BE743226D A BE 743226DA BE 743226 A BE743226 A BE 743226A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
-
- 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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computational Linguistics (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR178469 | 1968-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE743226A true BE743226A (en) | 1970-05-28 |
Family
ID=8658406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE743226D BE743226A (en) | 1968-12-16 | 1969-12-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3622704A (en) |
| BE (1) | BE743226A (en) |
| DE (1) | DE1962759B2 (en) |
| FR (1) | FR1602217A (en) |
| GB (1) | GB1260735A (en) |
| NL (1) | NL6918854A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2206889A5 (en) * | 1972-11-16 | 1974-06-07 | Rhone Poulenc Sa | |
| DE3174560D1 (en) * | 1981-07-28 | 1986-06-12 | Ibm | Transmission method for voice and digital data and arrangement for carrying out said method |
| FR2545966B1 (en) * | 1983-05-09 | 1986-02-21 | Zurcher Jean Frederic | METHOD FOR DEVELOPING AN EXCITATION SIGNAL FOR A CHANNEL OR LINEAR PREDICTION SPEECH SYNTHESIZER AND EXCITATION SIGNAL GENERATOR FOR SUCH A SYNTHESIZER |
| DE19806927A1 (en) * | 1998-02-19 | 1999-08-26 | Abb Research Ltd | Method of communicating natural speech |
| US7970606B2 (en) | 2002-11-13 | 2011-06-28 | Digital Voice Systems, Inc. | Interoperable vocoder |
| US7634399B2 (en) * | 2003-01-30 | 2009-12-15 | Digital Voice Systems, Inc. | Voice transcoder |
| US8359197B2 (en) * | 2003-04-01 | 2013-01-22 | Digital Voice Systems, Inc. | Half-rate vocoder |
| US8036886B2 (en) | 2006-12-22 | 2011-10-11 | Digital Voice Systems, Inc. | Estimation of pulsed speech model parameters |
| US11270714B2 (en) | 2020-01-08 | 2022-03-08 | Digital Voice Systems, Inc. | Speech coding using time-varying interpolation |
| US11990144B2 (en) | 2021-07-28 | 2024-05-21 | Digital Voice Systems, Inc. | Reducing perceived effects of non-voice data in digital speech |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124654A (en) * | 1964-03-10 | Transmitter | ||
| US2892892A (en) * | 1955-10-07 | 1959-06-30 | Bell Telephone Labor Inc | Vocoder absorption modulation system |
| US3109142A (en) * | 1960-10-06 | 1963-10-29 | Bell Telephone Labor Inc | Apparatus for encoding pitch information in a vocoder system |
-
1968
- 1968-12-16 FR FR178469A patent/FR1602217A/fr not_active Expired
-
1969
- 1969-12-15 DE DE19691962759 patent/DE1962759B2/en active Pending
- 1969-12-15 US US884813A patent/US3622704A/en not_active Expired - Lifetime
- 1969-12-15 GB GB61046/69A patent/GB1260735A/en not_active Expired
- 1969-12-16 NL NL6918854A patent/NL6918854A/xx unknown
- 1969-12-16 BE BE743226D patent/BE743226A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1602217A (en) | 1970-10-26 |
| US3622704A (en) | 1971-11-23 |
| DE1962759B2 (en) | 1971-05-13 |
| GB1260735A (en) | 1972-01-19 |
| NL6918854A (en) | 1970-06-18 |
| DE1962759A1 (en) | 1970-06-18 |