FR2141363A5 - - Google Patents
Info
- Publication number
- FR2141363A5 FR2141363A5 FR7221061A FR7221061A FR2141363A5 FR 2141363 A5 FR2141363 A5 FR 2141363A5 FR 7221061 A FR7221061 A FR 7221061A FR 7221061 A FR7221061 A FR 7221061A FR 2141363 A5 FR2141363 A5 FR 2141363A5
- Authority
- FR
- France
- Prior art keywords
- speech
- output pulse
- excitation
- signal
- generator
- 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
- 230000005284 excitation Effects 0.000 abstract 5
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)
- Analogue/Digital Conversion (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1995771 | 1971-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2141363A5 true FR2141363A5 (fr) | 1973-01-19 |
Family
ID=10137952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7221061A Expired FR2141363A5 (fr) | 1971-06-10 | 1972-06-12 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3825685A (fr) |
FR (1) | FR2141363A5 (fr) |
GB (1) | GB1334177A (fr) |
NL (1) | NL7207374A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5113449A (en) * | 1982-08-16 | 1992-05-12 | Texas Instruments Incorporated | Method and apparatus for altering voice characteristics of synthesized speech |
JP4173940B2 (ja) * | 1999-03-05 | 2008-10-29 | 松下電器産業株式会社 | 音声符号化装置及び音声符号化方法 |
JP4179268B2 (ja) * | 2004-11-25 | 2008-11-12 | カシオ計算機株式会社 | データ合成装置およびデータ合成処理のプログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3012098A (en) * | 1941-11-22 | 1961-12-05 | Bell Telephone Labor Inc | Telephone privacy |
US3071652A (en) * | 1959-05-08 | 1963-01-01 | Bell Telephone Labor Inc | Time domain vocoder |
US3377428A (en) * | 1960-12-29 | 1968-04-09 | Ibm | Voiced sound detector circuits and systems |
US3176073A (en) * | 1961-12-04 | 1965-03-30 | Gen Dynamics Corp | Buzz-hiss decision system for a channel vocoder |
US3418662A (en) * | 1965-03-31 | 1968-12-31 | Nat Res Dev | Prosthetic hand with improved control system for activation by electromyogram signals |
US3431362A (en) * | 1966-04-22 | 1969-03-04 | Bell Telephone Labor Inc | Voice-excited,bandwidth reduction system employing pitch frequency pulses generated by unencoded baseband signal |
US3573374A (en) * | 1968-01-25 | 1971-04-06 | Philco Ford Corp | Formant vocoder utilizing resonator damping |
NL6910496A (fr) * | 1969-07-09 | 1971-01-12 | ||
US3624302A (en) * | 1969-10-29 | 1971-11-30 | Bell Telephone Labor Inc | Speech analysis and synthesis by the use of the linear prediction of a speech wave |
-
1971
- 1971-06-10 GB GB1995771*[A patent/GB1334177A/en not_active Expired
-
1972
- 1972-05-05 US US00250534A patent/US3825685A/en not_active Expired - Lifetime
- 1972-05-31 NL NL7207374A patent/NL7207374A/xx not_active Application Discontinuation
- 1972-06-12 FR FR7221061A patent/FR2141363A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7207374A (fr) | 1972-12-12 |
US3825685A (en) | 1974-07-23 |
GB1334177A (en) | 1973-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |