BR7503050A - Dispositivo e metodo para deteccao de voz - Google Patents
Dispositivo e metodo para deteccao de vozInfo
- Publication number
- BR7503050A BR7503050A BR7503891A BR7503891A BR7503050A BR 7503050 A BR7503050 A BR 7503050A BR 7503891 A BR7503891 A BR 7503891A BR 7503891 A BR7503891 A BR 7503891A BR 7503050 A BR7503050 A BR 7503050A
- Authority
- BR
- Brazil
- Prior art keywords
- voice detection
- voice
- detection
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
- H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
- H04J3/175—Speech activity or inactivity detectors
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (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)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7417171A FR2271725A1 (en) | 1974-05-17 | 1974-05-17 | Telephonic conference system with speech detector - enables speech from one participant to block all other transmissions |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7503050A true BR7503050A (pt) | 1976-04-13 |
Family
ID=9138984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7503891A BR7503050A (pt) | 1974-05-17 | 1975-05-16 | Dispositivo e metodo para deteccao de voz |
Country Status (2)
Country | Link |
---|---|
BR (1) | BR7503050A (pt) |
FR (1) | FR2271725A1 (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2433800A1 (fr) * | 1978-08-17 | 1980-03-14 | Thomson Csf | Discriminateur de parole et recepteur comportant un tel discriminateur |
CH633903A5 (de) * | 1978-09-26 | 1982-12-31 | Feller Ag | Sprachschalter fuer ein an eine telefonleitung anzuschliessendes geraet. |
US4267593A (en) * | 1979-06-15 | 1981-05-12 | Wescom Switching, Inc. | Method and means for digital conferencing |
FR2502374B1 (fr) * | 1981-03-18 | 1986-04-18 | Trt Telecom Radio Electr | Dispositif de discrimination de la parole |
FR2547690B1 (fr) * | 1983-06-20 | 1985-12-06 | Capel Raymond | Dispositif electronique permettant de creer une ambiance lumineuse comparable au coucher du soleil |
-
1974
- 1974-05-17 FR FR7417171A patent/FR2271725A1/fr active Granted
-
1975
- 1975-05-16 BR BR7503891A patent/BR7503050A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
FR2271725A1 (en) | 1975-12-12 |
FR2271725B1 (pt) | 1980-03-07 |
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