FR2544901B1 - Vocodeur a canaux muni de moyens de compensation des modulations parasites du signal de parole synthetise - Google Patents
Vocodeur a canaux muni de moyens de compensation des modulations parasites du signal de parole synthetiseInfo
- Publication number
- FR2544901B1 FR2544901B1 FR8306471A FR8306471A FR2544901B1 FR 2544901 B1 FR2544901 B1 FR 2544901B1 FR 8306471 A FR8306471 A FR 8306471A FR 8306471 A FR8306471 A FR 8306471A FR 2544901 B1 FR2544901 B1 FR 2544901B1
- Authority
- FR
- France
- Prior art keywords
- signal
- synthesis
- input
- subtractor
- channel
- 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
Links
- 230000003071 parasitic effect Effects 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 abstract 10
- 238000003786 synthesis reaction Methods 0.000 abstract 10
- 230000005284 excitation Effects 0.000 abstract 3
- 238000000605 extraction Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000011002 quantification Methods 0.000 abstract 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
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)
- Amplitude Modulation (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8306471A FR2544901B1 (fr) | 1983-04-20 | 1983-04-20 | Vocodeur a canaux muni de moyens de compensation des modulations parasites du signal de parole synthetise |
| EP19840400744 EP0124411B1 (fr) | 1983-04-20 | 1984-04-13 | Vocodeur à canaux muni de moyens de compensation des modulations parasites du signal de parole synthétisé |
| DE8484400744T DE3467650D1 (en) | 1983-04-20 | 1984-04-13 | Channel vocoder comprising means for suppressing parasitic modulation of the synthesized speech signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8306471A FR2544901B1 (fr) | 1983-04-20 | 1983-04-20 | Vocodeur a canaux muni de moyens de compensation des modulations parasites du signal de parole synthetise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2544901A1 FR2544901A1 (fr) | 1984-10-26 |
| FR2544901B1 true FR2544901B1 (fr) | 1986-02-21 |
Family
ID=9288045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8306471A Expired FR2544901B1 (fr) | 1983-04-20 | 1983-04-20 | Vocodeur a canaux muni de moyens de compensation des modulations parasites du signal de parole synthetise |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0124411B1 (fr) |
| DE (1) | DE3467650D1 (fr) |
| FR (1) | FR2544901B1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912605B4 (de) * | 1989-04-17 | 2008-09-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| DE4325354C1 (de) * | 1993-07-28 | 1994-08-25 | Siemens Ag | Verfahren und Anordnung zur Ausgabe von digitalen Sprachsignalen |
| US5715365A (en) * | 1994-04-04 | 1998-02-03 | Digital Voice Systems, Inc. | Estimation of excitation parameters |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2672512A (en) * | 1949-02-02 | 1954-03-16 | Bell Telephone Labor Inc | System for analyzing and synthesizing speech |
| US2996579A (en) * | 1960-01-13 | 1961-08-15 | Gen Dynamics Corp | Feedback vocoder |
| US3252105A (en) * | 1962-06-07 | 1966-05-17 | Honeywell Inc | Rate limiting apparatus including active elements |
| US3346695A (en) * | 1963-05-07 | 1967-10-10 | Gunnar Fant | Vocoder system |
| AT251655B (de) * | 1964-10-01 | 1967-01-10 | Ibm Oesterreich Internationale | Kanalvocoder |
| AT276495B (de) * | 1967-08-03 | 1969-11-25 | Ibm Oesterreich Internationale | Verfahren zur Multiplex-Sprachsynthese |
| GB2002611B (en) * | 1977-08-05 | 1982-03-17 | Brown Ltd S | Electric circuit device and pendulum unit incorporating such devices |
-
1983
- 1983-04-20 FR FR8306471A patent/FR2544901B1/fr not_active Expired
-
1984
- 1984-04-13 DE DE8484400744T patent/DE3467650D1/de not_active Expired
- 1984-04-13 EP EP19840400744 patent/EP0124411B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2544901A1 (fr) | 1984-10-26 |
| EP0124411A1 (fr) | 1984-11-07 |
| DE3467650D1 (en) | 1987-12-23 |
| EP0124411B1 (fr) | 1987-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2436416A1 (fr) | Systeme de reception possedant une reponse directionnelle preselectionnee | |
| FR2407628A1 (fr) | Circuit de transmission de signaux | |
| DE3176816D1 (en) | Optical density representing input signal thresholder | |
| EP0352747A3 (fr) | Procédé de stabilisation d'une séparation de fréquence pour communication optique hétérodyne ou homodyne | |
| CA2031006A1 (fr) | Codec 4,8 kilobits/s pour signaux vocaux | |
| BR8103095A (pt) | Disposicao de informacao codificada | |
| EP0030724A3 (en) | Method and device for carrying out objective measurements on digital speech transmission systems | |
| IE45794L (en) | Signal measuring device | |
| DK0455957T3 (da) | Ulige/lige delbillede detektor for videosignaler | |
| DE3467650D1 (en) | Channel vocoder comprising means for suppressing parasitic modulation of the synthesized speech signal | |
| EP0400473A3 (fr) | Appareil de traitement de signal numérique | |
| EP0427387A3 (en) | Apparatus for converting plural input signals into an output signal | |
| ATE124587T1 (de) | Umschalt-schaltung. | |
| EP0253545A3 (fr) | Mesure de signal | |
| DE68914753D1 (de) | Elektro-optisches Messverfahren für die Frequenzanalyse von Signalen hoher Bandbreite. | |
| ATE187585T1 (de) | Schaltungsanordnung mit einem multiplexer | |
| DK0610282T3 (da) | Fremgangsmåde til samtidig overføring af lydsignaler fra N-signalkilder | |
| JPS56112143A (en) | Equipment for receiving wave length multiple optical signal | |
| NO157400C (no) | Koplingsanordning for modifikasjon av dynamikkomraadet av et inngangssignal. | |
| US3083338A (en) | Speech communication system | |
| SU409281A1 (fr) | ||
| GB1086230A (en) | Frequency detection system | |
| JPS57178444A (en) | Optical fiber transmission system | |
| JPS6413535A (en) | Radiograph reader | |
| SORENSON | Input signal synthesis for linear and nonlinear system identification[Final Scientific Report, 1 Jun. 1975- 31 May 1980] |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |