NL269708A - Spraakoverdrachtstelsel - Google Patents
SpraakoverdrachtstelselInfo
- Publication number
- NL269708A NL269708A NL269708DA NL269708A NL 269708 A NL269708 A NL 269708A NL 269708D A NL269708D A NL 269708DA NL 269708 A NL269708 A NL 269708A
- Authority
- NL
- Netherlands
- Prior art keywords
- pulse
- pitch
- gate
- counter
- frame
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 2
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- 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
- G10L25/90—Pitch determination of speech signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Time-Division Multiplex Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61011A US3109142A (en) | 1960-10-06 | 1960-10-06 | Apparatus for encoding pitch information in a vocoder system |
Publications (1)
Publication Number | Publication Date |
---|---|
NL269708A true NL269708A (nl) | 1964-06-25 |
Family
ID=22033081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL269708D NL269708A (nl) | 1960-10-06 | 1961-09-28 | Spraakoverdrachtstelsel |
Country Status (6)
Country | Link |
---|---|
US (1) | US3109142A (fr) |
BE (1) | BE608863A (fr) |
DE (1) | DE1146924B (fr) |
FR (1) | FR1301696A (fr) |
GB (1) | GB996285A (fr) |
NL (1) | NL269708A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE650607A (fr) * | 1963-07-29 | 1965-01-18 | ||
FR1415553A (fr) * | 1964-05-26 | 1965-10-29 | Ibm France | Perfectionnements aux systèmes d'analyse de la voix |
US3420955A (en) * | 1965-11-19 | 1969-01-07 | Bell Telephone Labor Inc | Automatic peak selector |
US3471648A (en) * | 1966-07-28 | 1969-10-07 | Bell Telephone Labor Inc | Vocoder utilizing companding to reduce background noise caused by quantizing errors |
FR1602217A (fr) * | 1968-12-16 | 1970-10-26 | ||
FR2206889A5 (fr) * | 1972-11-16 | 1974-06-07 | Rhone Poulenc Sa |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2850574A (en) * | 1955-11-02 | 1958-09-02 | Bell Telephone Labor Inc | Apparatus for compression of television bandwidth |
US2949505A (en) * | 1957-08-14 | 1960-08-16 | Bell Telephone Labor Inc | Reduced bandwith transmission system |
NL239229A (fr) * | 1958-05-21 |
-
1960
- 1960-10-06 US US61011A patent/US3109142A/en not_active Expired - Lifetime
-
1961
- 1961-09-25 FR FR874127A patent/FR1301696A/fr not_active Expired
- 1961-09-27 GB GB34663/61A patent/GB996285A/en not_active Expired
- 1961-09-28 NL NL269708D patent/NL269708A/xx unknown
- 1961-09-30 DE DEW30798A patent/DE1146924B/de active Pending
- 1961-10-05 BE BE608863A patent/BE608863A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE1146924B (de) | 1963-04-11 |
FR1301696A (fr) | 1962-08-17 |
GB996285A (en) | 1965-06-23 |
BE608863A (fr) | 1962-02-01 |
US3109142A (en) | 1963-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1487291A (en) | Determining the boundaries of a speech utterance | |
NL269708A (nl) | Spraakoverdrachtstelsel | |
US4075569A (en) | Digital method and apparatus for dynamically generating an output pulse train having a desired duty cycle from an input pulse train | |
ES425145A1 (es) | Un metodo para convertir una senal de datos en codigo bina-rio en otra senal en codigo de dos impulsos con la misma po-laridad y otros dos con polaridad opuesta por cada bit. | |
US3832493A (en) | Digital speech detector | |
GB1345405A (en) | Signal converter apparatus | |
SE7610782L (sv) | Teckenkompression och expansion i pcm-system | |
GB1520887A (en) | Signal translation apparatus | |
FR2342585A1 (fr) | Circuit mos a multiphase destine a modifier la duree d'impulsions | |
CH549849A (de) | Verfahren zum ermitteln des der periode der anregungsfrequenz der stimmbaender entsprechenden intervalls. | |
GB1527889A (en) | Band compressor device | |
GB1499635A (en) | Peak level detector circuit | |
JPS5454506A (en) | Coding method | |
GB1285937A (en) | Feedback coders | |
GB1164414A (en) | A Tone-Free Multiplexing System Using a Delta Modulator | |
JPS56136026A (en) | Glitch preventing circuit of digital-to-analog converter | |
JPS5643849A (en) | Check code transmission system of data transmission using push-button dial signal | |
ATE18486T1 (de) | Differenz-pulscode-modulationsuebertragungssyste . | |
FR2367382A1 (fr) | Convertisseur anlogique-numerique comportant un codeur amplitude-duree et un codeur a pesee | |
SU497737A1 (ru) | Кодово-импульсный модул тор телефонного канала радиорелейной станции с временным уплотнением | |
JPS5338912A (en) | Sending/stop system for signal sound | |
GB771908A (en) | Improvements in or relating to signal transmission systems | |
SU473313A1 (ru) | Цифровой компандер | |
GB991994A (en) | A method and apparatus for transmitting a speech signal | |
FR2272549A1 (en) | Frequency coded signal receiving and decoding device - has channels with fixed frequency and converting circuits |