DE3876569T2 - Detektor fuer stimmhafte laute mit adaptiver schwelle. - Google Patents
Detektor fuer stimmhafte laute mit adaptiver schwelle.Info
- Publication number
- DE3876569T2 DE3876569T2 DE8888903995T DE3876569T DE3876569T2 DE 3876569 T2 DE3876569 T2 DE 3876569T2 DE 8888903995 T DE8888903995 T DE 8888903995T DE 3876569 T DE3876569 T DE 3876569T DE 3876569 T2 DE3876569 T2 DE 3876569T2
- Authority
- DE
- Germany
- Prior art keywords
- discriminant
- values
- unvoiced
- frame
- value
- 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 - Fee Related
Links
- 230000003044 adaptive effect 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
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Radio Relay Systems (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Interface Circuits In Exchanges (AREA)
- Radar Systems Or Details Thereof (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3429887A | 1987-04-03 | 1987-04-03 | |
PCT/US1988/000031 WO1988007739A1 (en) | 1987-04-03 | 1988-01-12 | An adaptive threshold voiced detector |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3876569D1 DE3876569D1 (de) | 1993-01-21 |
DE3876569T2 true DE3876569T2 (de) | 1993-04-08 |
Family
ID=21875533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888903995T Expired - Fee Related DE3876569T2 (de) | 1987-04-03 | 1988-01-12 | Detektor fuer stimmhafte laute mit adaptiver schwelle. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0309561B1 (de) |
JP (1) | JPH0795239B2 (de) |
AT (1) | ATE83329T1 (de) |
AU (1) | AU598933B2 (de) |
CA (1) | CA1336208C (de) |
DE (1) | DE3876569T2 (de) |
HK (1) | HK21794A (de) |
SG (1) | SG60993G (de) |
WO (1) | WO1988007739A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU599459B2 (en) * | 1987-04-03 | 1990-07-19 | American Telephone And Telegraph Company | An adaptive multivariate estimating apparatus |
US5195138A (en) * | 1990-01-18 | 1993-03-16 | Matsushita Electric Industrial Co., Ltd. | Voice signal processing device |
US5204906A (en) * | 1990-02-13 | 1993-04-20 | Matsushita Electric Industrial Co., Ltd. | Voice signal processing device |
EP0459384B1 (de) * | 1990-05-28 | 1998-12-30 | Matsushita Electric Industrial Co., Ltd. | Sprachsignalverarbeitungsvorrichtung zum Herausschneiden von einem Sprachsignal aus einem verrauschten Sprachsignal |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60114900A (ja) * | 1983-11-25 | 1985-06-21 | 松下電器産業株式会社 | 有音・無音判定法 |
JPS60200300A (ja) * | 1984-03-23 | 1985-10-09 | 松下電器産業株式会社 | 音声の始端・終端検出装置 |
JPS6148898A (ja) * | 1984-08-16 | 1986-03-10 | 松下電器産業株式会社 | 音声の有声無声判定装置 |
AU599459B2 (en) * | 1987-04-03 | 1990-07-19 | American Telephone And Telegraph Company | An adaptive multivariate estimating apparatus |
-
1988
- 1988-01-12 EP EP88903995A patent/EP0309561B1/de not_active Expired - Lifetime
- 1988-01-12 AT AT88903995T patent/ATE83329T1/de not_active IP Right Cessation
- 1988-01-12 JP JP63503536A patent/JPH0795239B2/ja not_active Expired - Fee Related
- 1988-01-12 DE DE8888903995T patent/DE3876569T2/de not_active Expired - Fee Related
- 1988-01-12 AU AU17007/88A patent/AU598933B2/en not_active Ceased
- 1988-01-12 WO PCT/US1988/000031 patent/WO1988007739A1/en active IP Right Grant
- 1988-03-29 CA CA000562765A patent/CA1336208C/en not_active Expired - Fee Related
-
1993
- 1993-05-07 SG SG609/93A patent/SG60993G/en unknown
-
1994
- 1994-03-10 HK HK217/94A patent/HK21794A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH01502858A (ja) | 1989-09-28 |
AU598933B2 (en) | 1990-07-05 |
WO1988007739A1 (en) | 1988-10-06 |
AU1700788A (en) | 1988-11-02 |
JPH0795239B2 (ja) | 1995-10-11 |
CA1336208C (en) | 1995-07-04 |
SG60993G (en) | 1993-07-09 |
EP0309561A1 (de) | 1989-04-05 |
DE3876569D1 (de) | 1993-01-21 |
EP0309561B1 (de) | 1992-12-09 |
HK21794A (en) | 1994-03-18 |
ATE83329T1 (de) | 1992-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2483324A1 (en) | Estimation of background noise in a variable rate vocoder | |
DE69923079D1 (de) | Kodierung von stimmlosen sprachsegmenten mit niedriger datenrate | |
ATE360249T1 (de) | Verfahren und vorrichtung zur bestimmung von sprachkodierparametern | |
DE3876569D1 (de) | Detektor fuer stimmhafte laute mit adaptiver schwelle. | |
JP2969862B2 (ja) | 音声認識装置 | |
Friedman | Pseudo-maximum-likelihood speech pitch extraction | |
DE3875894T2 (de) | Adaptive multivariable analyseeinrichtung. | |
Hunt et al. | Speech recognition using a cochlear model | |
Kim et al. | Voice activity detection based on conditional MAP criterion incorporating the spectral gradient | |
DE60025596D1 (de) | Verfahren zur feststellung der wahrscheinlichkeit, dass ein sprachsignal stimmhaft ist | |
Jun et al. | An approach to smooth fundamental frequencies in tone recognition | |
KR920013250A (ko) | 음성인식 시스템의 변별적 특성을 이용한 숫자음 인식방법 | |
ATE177867T1 (de) | Digitaler sprachdekodierer unter verwendung einer nachfilterung mit einer reduzierten spektralverzerrung | |
KR0135878B1 (ko) | 음성 데이타 시종점 검출 방법 및 그 장치 | |
JPS6480999A (en) | Voice initial end detector | |
Huang et al. | Voice activity detection using haircell model in noisy environment | |
Zhang et al. | Robust speech emotion recognition with novel sub-band spectral centroid weighted wavelet packet feature | |
DE3874471D1 (de) | Abstandsmessungskontrolle eines multidetektorsystems. | |
Macho Ciena et al. | Use of voicing information to improve the robustness of the spectral parameter set | |
Jebara | Coherence-based voice activity detector | |
Smith | A neurally motivated technique for voicing detection and F0 estimation for speech | |
JPS6019200A (ja) | 音声認識方法 | |
Hao et al. | Endpoint detection based on mel-scale features and phoneme segmentation | |
Moreno | On the spectrum of Spanish speech | |
Kim et al. | Enhancement of noisy speech for noise robust front-end and speech reconstruction at back-end of DSR system. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN |
|
8339 | Ceased/non-payment of the annual fee |