NL175572B - Datatransmissiestelsel. - Google Patents
Datatransmissiestelsel.Info
- Publication number
- NL175572B NL175572B NLAANVRAGE7103353,A NL7103353A NL175572B NL 175572 B NL175572 B NL 175572B NL 7103353 A NL7103353 A NL 7103353A NL 175572 B NL175572 B NL 175572B
- Authority
- NL
- Netherlands
- Prior art keywords
- data transmission
- transmission system
- data
- transmission
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 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
- 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
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (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)
- Multimedia (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US019188A US3878337A (en) | 1970-03-13 | 1970-03-13 | Device for speech detection independent of amplitude |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7103353A NL7103353A (nl) | 1971-09-15 |
NL175572B true NL175572B (nl) | 1984-06-18 |
NL175572C NL175572C (nl) | 1984-11-16 |
Family
ID=21791888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7103353,A NL175572C (nl) | 1970-03-13 | 1971-03-12 | Datatransmissiestelsel. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3878337A (nl) |
JP (1) | JPS5149361B1 (nl) |
DE (1) | DE2111072C3 (nl) |
FR (1) | FR2084567A5 (nl) |
GB (1) | GB1342909A (nl) |
NL (1) | NL175572C (nl) |
SE (1) | SE388061B (nl) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1014614B (it) * | 1974-04-24 | 1977-04-30 | Sits Soc It Telecom Siemens | Circuito per rivelare la presenza di attivita in banda fonica in una giunzione telefonica |
IT1044353B (it) * | 1975-07-03 | 1980-03-20 | Telettra Lab Telefon | Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici |
US4061878A (en) * | 1976-05-10 | 1977-12-06 | Universite De Sherbrooke | Method and apparatus for speech detection of PCM multiplexed voice channels |
US4059730A (en) * | 1976-08-17 | 1977-11-22 | Bell Telephone Laboratories, Incorporated | Apparatus for mitigating signal distortion and noise signal contrast in a communications system |
US4275270A (en) * | 1979-11-29 | 1981-06-23 | The Regents Of The University Of California | Speech detector for use in an adaptive hybrid circuit |
US4357491A (en) * | 1980-09-16 | 1982-11-02 | Northern Telecom Limited | Method of and apparatus for detecting speech in a voice channel signal |
IL84948A0 (en) * | 1987-12-25 | 1988-06-30 | D S P Group Israel Ltd | Noise reduction system |
CN113450776A (zh) * | 2020-03-24 | 2021-09-28 | 合肥君正科技有限公司 | 一种改善婴儿哭声检测模型效果的数据增强方法及其系统 |
CN111653276B (zh) * | 2020-06-22 | 2022-04-12 | 四川长虹电器股份有限公司 | 一种语音唤醒系统及方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3358083A (en) * | 1964-07-28 | 1967-12-12 | Bell Telephone Labor Inc | Time-division multiplex digital transmission arrangement employing a linear digital filter |
US3369080A (en) * | 1964-12-16 | 1968-02-13 | Bell Telephone Labor Inc | Conference circuit for coded signals permitting conference calls between vocoder and analogue stations |
GB1102020A (en) * | 1965-08-26 | 1968-02-07 | Peter Heaton | Improvements relating to digital telephone systems |
US3484554A (en) * | 1967-03-02 | 1969-12-16 | Itt | Pseudo-orthogonal pulse code system |
US3555189A (en) * | 1967-03-06 | 1971-01-12 | Jesse T Quatse | Automatic telephone answering mechanism |
US3520999A (en) * | 1967-03-27 | 1970-07-21 | Bell Telephone Labor Inc | Digital speech detection system |
-
1970
- 1970-03-13 US US019188A patent/US3878337A/en not_active Expired - Lifetime
- 1970-12-17 JP JP45112951A patent/JPS5149361B1/ja active Pending
-
1971
- 1971-03-04 SE SE7102752A patent/SE388061B/xx unknown
- 1971-03-09 DE DE2111072A patent/DE2111072C3/de not_active Expired
- 1971-03-12 NL NLAANVRAGE7103353,A patent/NL175572C/nl not_active IP Right Cessation
- 1971-03-12 FR FR7108748A patent/FR2084567A5/fr not_active Expired
- 1971-04-19 GB GB2217171A patent/GB1342909A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5149361B1 (nl) | 1976-12-25 |
GB1342909A (en) | 1974-01-10 |
DE2111072A1 (de) | 1971-09-23 |
US3878337A (en) | 1975-04-15 |
FR2084567A5 (nl) | 1971-12-17 |
DE2111072B2 (de) | 1980-07-31 |
NL7103353A (nl) | 1971-09-15 |
SE388061B (sv) | 1976-09-20 |
NL175572C (nl) | 1984-11-16 |
DE2111072C3 (de) | 1981-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |