CA957076A - Speech-controlled switching arrangement - Google Patents
Speech-controlled switching arrangementInfo
- Publication number
- CA957076A CA957076A CA146,905A CA146905A CA957076A CA 957076 A CA957076 A CA 957076A CA 146905 A CA146905 A CA 146905A CA 957076 A CA957076 A CA 957076A
- Authority
- CA
- Canada
- Prior art keywords
- speech
- switching arrangement
- controlled switching
- controlled
- arrangement
- 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
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/085—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Analogue/Digital Conversion (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transceivers (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7109806.A NL162274C (nl) | 1971-07-15 | 1971-07-15 | Spraakgestuurde schakelinrichting. |
Publications (1)
Publication Number | Publication Date |
---|---|
CA957076A true CA957076A (en) | 1974-10-29 |
Family
ID=19813622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA146,905A Expired CA957076A (en) | 1971-07-15 | 1972-07-12 | Speech-controlled switching arrangement |
Country Status (12)
Country | Link |
---|---|
US (1) | US3794763A (nl) |
JP (1) | JPS5740696B1 (nl) |
AT (1) | AT342660B (nl) |
AU (1) | AU470286B2 (nl) |
BE (1) | BE786256A (nl) |
CA (1) | CA957076A (nl) |
CH (1) | CH550515A (nl) |
DK (1) | DK133220C (nl) |
FR (1) | FR2145728B1 (nl) |
GB (1) | GB1403217A (nl) |
NL (1) | NL162274C (nl) |
SE (1) | SE372681B (nl) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5615380A (en) * | 1969-11-24 | 1997-03-25 | Hyatt; Gilbert P. | Integrated circuit computer system having a keyboard input and a sound output |
US4028506A (en) * | 1973-12-12 | 1977-06-07 | Nippon Electric Company, Ltd. | Maximum value tracing circuit for digitized voice signals |
US3944743A (en) * | 1974-01-07 | 1976-03-16 | Plantronics, Inc. | Method and apparatus for feedback suppression |
US3931480A (en) * | 1974-09-04 | 1976-01-06 | Gte Sylvania Incorporated | Time compression receiver |
NO134477C (nl) * | 1974-10-29 | 1976-10-13 | Manus Max | |
US3953676A (en) * | 1974-12-12 | 1976-04-27 | Northern Electric Company, Limited | Digital control of a loudspeaking telephone system |
JPS5263165U (nl) * | 1975-11-06 | 1977-05-10 | ||
US4052568A (en) * | 1976-04-23 | 1977-10-04 | Communications Satellite Corporation | Digital voice switch |
US4110560A (en) * | 1977-11-23 | 1978-08-29 | Gte Sylvania Incorporated | Communication apparatus |
DE3137314C2 (de) * | 1981-09-16 | 1984-03-29 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung für sprachgesteuerte Freisprechgeräte |
JP2800779B2 (ja) * | 1996-05-31 | 1998-09-21 | 日本電気株式会社 | 患者監視システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3524929A (en) * | 1967-06-29 | 1970-08-18 | Automatic Elect Lab | Telephone conference circuit |
US3530247A (en) * | 1967-08-29 | 1970-09-22 | Bell Telephone Labor Inc | Digital vocoder conference system |
US3712959A (en) * | 1969-07-14 | 1973-01-23 | Communications Satellite Corp | Method and apparatus for detecting speech signals in the presence of noise |
US3674936A (en) * | 1970-02-26 | 1972-07-04 | Burroughs Corp | Voice conference system |
-
0
- BE BE786256D patent/BE786256A/xx not_active IP Right Cessation
-
1971
- 1971-07-15 NL NL7109806.A patent/NL162274C/nl not_active IP Right Cessation
-
1972
- 1972-07-10 AU AU44375/72A patent/AU470286B2/en not_active Expired
- 1972-07-10 US US00270151A patent/US3794763A/en not_active Expired - Lifetime
- 1972-07-12 CH CH1044672A patent/CH550515A/xx not_active IP Right Cessation
- 1972-07-12 GB GB3256972A patent/GB1403217A/en not_active Expired
- 1972-07-12 SE SE7209164A patent/SE372681B/xx unknown
- 1972-07-12 CA CA146,905A patent/CA957076A/en not_active Expired
- 1972-07-12 DK DK348272A patent/DK133220C/da not_active IP Right Cessation
- 1972-07-13 AT AT603372A patent/AT342660B/de not_active IP Right Cessation
- 1972-07-15 JP JP47071207A patent/JPS5740696B1/ja active Pending
- 1972-07-17 FR FR7225702A patent/FR2145728B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2232358A1 (de) | 1973-01-18 |
NL162274C (nl) | 1980-04-15 |
AU4437572A (en) | 1974-01-17 |
SE372681B (nl) | 1974-12-23 |
ATA603372A (de) | 1977-08-15 |
NL162274B (nl) | 1979-11-15 |
DK133220C (da) | 1976-09-06 |
AT342660B (de) | 1978-04-10 |
JPS5740696B1 (nl) | 1982-08-30 |
BE786256A (fr) | 1973-01-15 |
FR2145728B1 (nl) | 1980-02-15 |
US3794763A (en) | 1974-02-26 |
JPS4820405A (nl) | 1973-03-14 |
DK133220B (da) | 1976-04-05 |
CH550515A (de) | 1974-06-14 |
NL7109806A (nl) | 1973-01-17 |
FR2145728A1 (nl) | 1973-02-23 |
GB1403217A (en) | 1975-08-28 |
DE2232358B2 (de) | 1976-12-02 |
AU470286B2 (en) | 1976-03-11 |
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