FR2482348A1 - Circuit detecteur de parole et commande de gain associee pour un systeme d'imbrication de signaux de parole a allocation de temps - Google Patents
Circuit detecteur de parole et commande de gain associee pour un systeme d'imbrication de signaux de parole a allocation de temps Download PDFInfo
- Publication number
- FR2482348A1 FR2482348A1 FR8105203A FR8105203A FR2482348A1 FR 2482348 A1 FR2482348 A1 FR 2482348A1 FR 8105203 A FR8105203 A FR 8105203A FR 8105203 A FR8105203 A FR 8105203A FR 2482348 A1 FR2482348 A1 FR 2482348A1
- Authority
- FR
- France
- Prior art keywords
- time
- speech
- level
- channel
- samples
- 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.)
- Granted
Links
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- 230000005540 biological transmission Effects 0.000 description 17
- 238000001514 detection method Methods 0.000 description 12
- 239000000872 buffer Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- BWJHJLINOYAPEG-HOTGVXAUSA-N 8-chloro-6-[(6-chloropyridin-3-yl)methyl]-3-[(1S,2S)-2-hydroxycyclopentyl]-7-methyl-2H-1,3-benzoxazin-4-one Chemical compound ClC1=C(C(=CC=2C(N(COC=21)[C@@H]1[C@H](CCC1)O)=O)CC=1C=NC(=CC=1)Cl)C BWJHJLINOYAPEG-HOTGVXAUSA-N 0.000 description 1
- UOZODPSAJZTQNH-UHFFFAOYSA-N Paromomycin II Natural products NC1C(O)C(O)C(CN)OC1OC1C(O)C(OC2C(C(N)CC(N)C2O)OC2C(C(O)C(O)C(CO)O2)N)OC1CO UOZODPSAJZTQNH-UHFFFAOYSA-N 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 235000005822 corn Nutrition 0.000 description 1
- ALEXXDVDDISNDU-JZYPGELDSA-N cortisol 21-acetate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)C[C@@H]2O ALEXXDVDDISNDU-JZYPGELDSA-N 0.000 description 1
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Classifications
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Interface Circuits In Exchanges (AREA)
- Analogue/Digital Conversion (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/131,159 US4365112A (en) | 1980-03-17 | 1980-03-17 | Speech detector circuit for a TASI system |
| US06/237,758 US4352957A (en) | 1980-03-17 | 1981-03-04 | Speech detector circuit with associated gain control for a tasi system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2482348A1 true FR2482348A1 (fr) | 1981-11-13 |
| FR2482348B1 FR2482348B1 (enExample) | 1984-12-28 |
Family
ID=26829197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8105203A Granted FR2482348A1 (fr) | 1980-03-17 | 1981-03-16 | Circuit detecteur de parole et commande de gain associee pour un systeme d'imbrication de signaux de parole a allocation de temps |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4352957A (enExample) |
| AU (1) | AU541271B2 (enExample) |
| BR (1) | BR8101540A (enExample) |
| CA (1) | CA1159971A (enExample) |
| CH (1) | CH654962A5 (enExample) |
| DE (1) | DE3110275A1 (enExample) |
| FR (1) | FR2482348A1 (enExample) |
| GB (1) | GB2075312B (enExample) |
| IL (1) | IL62393A (enExample) |
| IT (1) | IT1137435B (enExample) |
| MX (1) | MX151600A (enExample) |
| NL (1) | NL8101258A (enExample) |
| SE (1) | SE8101697L (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2141166C1 (ru) * | 1989-04-17 | 1999-11-10 | Фраунхофер Гезельшафт цур Фердерунг дер ангевандтен Форшунг е.В. | Способ цифрового кодирования для передачи и/или накопления акустических сигналов |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8613327D0 (en) * | 1986-06-02 | 1986-07-09 | British Telecomm | Speech processor |
| IL89461A (en) * | 1989-03-02 | 1994-06-24 | Eci Telecom Limited | Facsimile telecommunication compression system |
| US5016247A (en) * | 1989-08-07 | 1991-05-14 | Ibm Corporation | Multihop time assigned speech interpolation (TASI) system for telecommunication networks |
| US5465317A (en) * | 1993-05-18 | 1995-11-07 | International Business Machines Corporation | Speech recognition system with improved rejection of words and sounds not in the system vocabulary |
| US5735884A (en) * | 1994-10-04 | 1998-04-07 | Medtronic, Inc. | Filtered feedthrough assembly for implantable medical device |
| US5812969A (en) * | 1995-04-06 | 1998-09-22 | Adaptec, Inc. | Process for balancing the loudness of digitally sampled audio waveforms |
| US8367460B2 (en) | 2010-06-22 | 2013-02-05 | Micron Technology, Inc. | Horizontally oriented and vertically stacked memory cells |
| US11983498B2 (en) * | 2021-03-18 | 2024-05-14 | Augmented Intelligence Technologies, Inc. | System and methods for language processing of document sequences using a neural network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3520999A (en) * | 1967-03-27 | 1970-07-21 | Bell Telephone Labor Inc | Digital speech detection system |
| US3649766A (en) * | 1969-12-01 | 1972-03-14 | Bell Telephone Labor Inc | Digital speech detection system |
| US4008375A (en) * | 1975-08-21 | 1977-02-15 | Communications Satellite Corporation (Comsat) | Digital voice switch for single or multiple channel applications |
| US4028496A (en) * | 1976-08-17 | 1977-06-07 | Bell Telephone Laboratories, Incorporated | Digital speech detector |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1287643B (enExample) | 1966-09-17 | 1969-01-23 | ||
| US3504352A (en) * | 1968-05-24 | 1970-03-31 | Sanders Associates Inc | Time compression system |
| US3706091A (en) * | 1970-09-02 | 1972-12-12 | Bell Telephone Labor Inc | Digital threshold detector |
| FR2157143A5 (enExample) * | 1971-10-19 | 1973-06-01 | Queffeulou Jean Yves | |
| US3832491A (en) | 1973-02-13 | 1974-08-27 | Communications Satellite Corp | Digital voice switch with an adaptive digitally-controlled threshold |
| US3832493A (en) * | 1973-06-18 | 1974-08-27 | Itt | Digital speech detector |
| US3882458A (en) * | 1974-03-27 | 1975-05-06 | Gen Electric | Voice operated switch including apparatus for establishing a variable threshold noise level |
| US3936611A (en) * | 1974-09-04 | 1976-02-03 | Gte Sylvania Incorporated | Time compression scanner |
| US4052568A (en) * | 1976-04-23 | 1977-10-04 | Communications Satellite Corporation | Digital voice switch |
| US4301333A (en) * | 1977-09-30 | 1981-11-17 | Mcdonnell Douglas Corporation | Speech compression |
| US4303803A (en) * | 1978-08-31 | 1981-12-01 | Kokusai Denshin Denwa Co., Ltd. | Digital speech interpolation system |
| US4314100A (en) * | 1980-01-24 | 1982-02-02 | Storage Technology Corporation | Data detection circuit for a TASI system |
-
1981
- 1981-03-04 US US06/237,758 patent/US4352957A/en not_active Expired - Lifetime
- 1981-03-13 GB GB8107929A patent/GB2075312B/en not_active Expired
- 1981-03-16 FR FR8105203A patent/FR2482348A1/fr active Granted
- 1981-03-16 BR BR8101540A patent/BR8101540A/pt unknown
- 1981-03-16 CA CA000373071A patent/CA1159971A/en not_active Expired
- 1981-03-16 NL NL8101258A patent/NL8101258A/nl not_active Application Discontinuation
- 1981-03-16 AU AU68393/81A patent/AU541271B2/en not_active Ceased
- 1981-03-17 IT IT20386/81A patent/IT1137435B/it active
- 1981-03-17 IL IL62393A patent/IL62393A/xx unknown
- 1981-03-17 CH CH1802/81A patent/CH654962A5/de not_active IP Right Cessation
- 1981-03-17 SE SE8101697A patent/SE8101697L/ not_active Application Discontinuation
- 1981-03-17 MX MX81186402A patent/MX151600A/es unknown
- 1981-03-17 DE DE19813110275 patent/DE3110275A1/de not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3520999A (en) * | 1967-03-27 | 1970-07-21 | Bell Telephone Labor Inc | Digital speech detection system |
| US3649766A (en) * | 1969-12-01 | 1972-03-14 | Bell Telephone Labor Inc | Digital speech detection system |
| US4008375A (en) * | 1975-08-21 | 1977-02-15 | Communications Satellite Corporation (Comsat) | Digital voice switch for single or multiple channel applications |
| US4028496A (en) * | 1976-08-17 | 1977-06-07 | Bell Telephone Laboratories, Incorporated | Digital speech detector |
Non-Patent Citations (1)
| Title |
|---|
| COMSAT TECHNICAL REVIEW, vol. 6, no. 1, 1976, pages 159-178, Washington DC. (USA); * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2141166C1 (ru) * | 1989-04-17 | 1999-11-10 | Фраунхофер Гезельшафт цур Фердерунг дер ангевандтен Форшунг е.В. | Способ цифрового кодирования для передачи и/или накопления акустических сигналов |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6839381A (en) | 1981-09-24 |
| CA1159971A (en) | 1984-01-03 |
| US4352957A (en) | 1982-10-05 |
| GB2075312A (en) | 1981-11-11 |
| IT1137435B (it) | 1986-09-10 |
| MX151600A (es) | 1985-01-04 |
| IL62393A (en) | 1984-03-30 |
| SE8101697L (sv) | 1981-09-18 |
| BR8101540A (pt) | 1981-09-22 |
| IL62393A0 (en) | 1981-05-20 |
| AU541271B2 (en) | 1985-01-03 |
| NL8101258A (nl) | 1981-10-16 |
| GB2075312B (en) | 1984-06-13 |
| DE3110275A1 (de) | 1982-05-19 |
| CH654962A5 (de) | 1986-03-14 |
| IT8120386A0 (it) | 1981-03-17 |
| FR2482348B1 (enExample) | 1984-12-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |