CH452913A - Formantenbildneranordnung für eine Spracherkennungseinrichtung - Google Patents
Formantenbildneranordnung für eine SpracherkennungseinrichtungInfo
- Publication number
- CH452913A CH452913A CH1469666A CH1469666A CH452913A CH 452913 A CH452913 A CH 452913A CH 1469666 A CH1469666 A CH 1469666A CH 1469666 A CH1469666 A CH 1469666A CH 452913 A CH452913 A CH 452913A
- Authority
- CH
- Switzerland
- Prior art keywords
- multivibrator
- noise
- automatic gain
- gain control
- ring
- Prior art date
Links
- 238000001514 detection method Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- 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
- G10L15/00—Speech recognition
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information
Landscapes
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Noise Elimination (AREA)
- Amplifiers (AREA)
- Electrically Operated Instructional Devices (AREA)
- Prostheses (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US495427A US3418429A (en) | 1965-10-13 | 1965-10-13 | Speech analysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH452913A true CH452913A (de) | 1968-03-15 |
Family
ID=23968609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1469666A CH452913A (de) | 1965-10-13 | 1966-10-12 | Formantenbildneranordnung für eine Spracherkennungseinrichtung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3418429A (de) |
| BE (1) | BE687178A (de) |
| CH (1) | CH452913A (de) |
| ES (1) | ES331289A1 (de) |
| FR (1) | FR1494395A (de) |
| GB (1) | GB1160593A (de) |
| NL (1) | NL148731B (de) |
| SE (1) | SE321958B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2291259A1 (fr) * | 1974-11-12 | 1976-06-11 | Raffinage Cie Francaise | Suspensions aqueuses stabilisees d'asphaltes durs et application de ces suspensions au preenrobage d'agregats pour enrobes bitumeux |
| GB2196460B (en) * | 1986-10-03 | 1991-05-15 | Ricoh Kk | Methods for comparing an input voice pattern with a registered voice pattern and voice recognition systems |
| US5231670A (en) * | 1987-06-01 | 1993-07-27 | Kurzweil Applied Intelligence, Inc. | Voice controlled system and method for generating text from a voice controlled input |
| DE69317802T2 (de) * | 1992-01-21 | 1998-10-22 | Koninkl Philips Electronics Nv | Verfahren und Vorrichtung für Tonverbesserung unter Verwendung von Hüllung von multibandpassfiltrierten Signalen in Kammfiltern |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126449A (en) * | 1964-03-24 | Shirman | ||
| US3109066A (en) * | 1959-12-15 | 1963-10-29 | Bell Telephone Labor Inc | Sound control system |
| US3261916A (en) * | 1962-11-16 | 1966-07-19 | Ibm | Adjustable recognition system |
-
1965
- 1965-10-13 US US495427A patent/US3418429A/en not_active Expired - Lifetime
-
1966
- 1966-09-12 FR FR8032A patent/FR1494395A/fr not_active Expired
- 1966-09-15 GB GB41169/66A patent/GB1160593A/en not_active Expired
- 1966-09-16 ES ES0331289A patent/ES331289A1/es not_active Expired
- 1966-09-21 BE BE687178D patent/BE687178A/xx unknown
- 1966-10-11 NL NL666614325A patent/NL148731B/xx unknown
- 1966-10-12 CH CH1469666A patent/CH452913A/de unknown
- 1966-10-13 SE SE13920/66A patent/SE321958B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6614325A (de) | 1967-04-14 |
| ES331289A1 (es) | 1967-07-01 |
| BE687178A (de) | 1967-03-01 |
| SE321958B (de) | 1970-03-23 |
| US3418429A (en) | 1968-12-24 |
| DE1547030A1 (de) | 1969-11-20 |
| DE1547030B2 (de) | 1976-03-04 |
| GB1160593A (en) | 1969-08-06 |
| FR1494395A (fr) | 1967-09-08 |
| NL148731B (nl) | 1976-02-16 |
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