DE69020736D1 - Wellenanalyse. - Google Patents
Wellenanalyse.Info
- Publication number
- DE69020736D1 DE69020736D1 DE69020736T DE69020736T DE69020736D1 DE 69020736 D1 DE69020736 D1 DE 69020736D1 DE 69020736 T DE69020736 T DE 69020736T DE 69020736 T DE69020736 T DE 69020736T DE 69020736 D1 DE69020736 D1 DE 69020736D1
- Authority
- DE
- Germany
- Prior art keywords
- waveform
- threshold values
- spectral resolution
- amplitude detection
- channel outputs
- 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
- 238000001514 detection method Methods 0.000 abstract 2
- 230000003595 spectral effect Effects 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
- H04R25/356—Amplitude, e.g. amplitude shift or compression
-
- 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
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
Landscapes
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Holo Graphy (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8911376A GB2234078B (en) | 1989-05-18 | 1989-05-18 | Analysis of waveforms |
PCT/GB1990/000766 WO1990014739A1 (en) | 1989-05-18 | 1990-05-17 | Analysis of waveforms |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69020736D1 true DE69020736D1 (de) | 1995-08-10 |
DE69020736T2 DE69020736T2 (de) | 1996-03-21 |
Family
ID=10656928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69020736T Expired - Fee Related DE69020736T2 (de) | 1989-05-18 | 1990-05-17 | Wellenanalyse. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5483617A (de) |
EP (1) | EP0473664B1 (de) |
JP (1) | JPH04505372A (de) |
AT (1) | ATE124834T1 (de) |
DE (1) | DE69020736T2 (de) |
GB (1) | GB2234078B (de) |
WO (1) | WO1990014739A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2036450B1 (es) * | 1991-06-11 | 1996-01-16 | Jaro Juan Dominguez | Audio-educador electronico. |
US5776055A (en) * | 1996-07-01 | 1998-07-07 | Hayre; Harb S. | Noninvasive measurement of physiological chemical impairment |
US6421619B1 (en) | 1998-10-02 | 2002-07-16 | International Business Machines Corporation | Data processing system and method included within an oscilloscope for independently testing an input signal |
US6675140B1 (en) | 1999-01-28 | 2004-01-06 | Seiko Epson Corporation | Mellin-transform information extractor for vibration sources |
DE10031832C2 (de) * | 2000-06-30 | 2003-04-30 | Cochlear Ltd | Hörgerät zur Rehabilitation einer Hörstörung |
US20030007657A1 (en) * | 2001-07-09 | 2003-01-09 | Topholm & Westermann Aps | Hearing aid with sudden sound alert |
CA2354755A1 (en) * | 2001-08-07 | 2003-02-07 | Dspfactory Ltd. | Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank |
US7127076B2 (en) * | 2003-03-03 | 2006-10-24 | Phonak Ag | Method for manufacturing acoustical devices and for reducing especially wind disturbances |
EP2254349A3 (de) * | 2003-03-03 | 2014-08-13 | Phonak AG | Verfahren zur Herstellung von akustischen Geräten und zur Verringerung von Windstörungen |
US7643583B1 (en) | 2004-08-06 | 2010-01-05 | Marvell International Ltd. | High-precision signal detection for high-speed receiver |
JP2006251712A (ja) * | 2005-03-14 | 2006-09-21 | Univ Of Tokyo | 観測データ、特に、複数の音源からの音が混在している音響信号の解析方法 |
EP1703494A1 (de) * | 2005-03-17 | 2006-09-20 | Emma Mixed Signal C.V. | Hörer |
GB2434876B (en) * | 2006-02-01 | 2010-10-27 | Thales Holdings Uk Plc | Audio signal discriminator |
US9313596B2 (en) * | 2011-08-19 | 2016-04-12 | D'amore Engineering Llc | Audio signal distortion detection device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3770892A (en) * | 1972-05-26 | 1973-11-06 | Ibm | Connected word recognition system |
US3947636A (en) * | 1974-08-12 | 1976-03-30 | Edgar Albert D | Transient noise filter employing crosscorrelation to detect noise and autocorrelation to replace the noisey segment |
US4250471A (en) * | 1978-05-01 | 1981-02-10 | Duncan Michael G | Circuit detector and compression-expansion networks utilizing same |
FR2433800A1 (fr) * | 1978-08-17 | 1980-03-14 | Thomson Csf | Discriminateur de parole et recepteur comportant un tel discriminateur |
US4680798A (en) * | 1984-07-23 | 1987-07-14 | Analogic Corporation | Audio signal processing circuit for use in a hearing aid and method for operating same |
US4700360A (en) * | 1984-12-19 | 1987-10-13 | Extrema Systems International Corporation | Extrema coding digitizing signal processing method and apparatus |
US4802225A (en) * | 1985-01-02 | 1989-01-31 | Medical Research Council | Analysis of non-sinusoidal waveforms |
US4998280A (en) * | 1986-12-12 | 1991-03-05 | Hitachi, Ltd. | Speech recognition apparatus capable of discriminating between similar acoustic features of speech |
US4813417A (en) * | 1987-03-13 | 1989-03-21 | Minnesota Mining And Manufacturing Company | Signal processor for and an auditory prosthesis utilizing channel dominance |
US5092343A (en) * | 1988-02-17 | 1992-03-03 | Wayne State University | Waveform analysis apparatus and method using neural network techniques |
-
1989
- 1989-05-18 GB GB8911376A patent/GB2234078B/en not_active Expired - Fee Related
-
1990
- 1990-05-17 JP JP2507984A patent/JPH04505372A/ja active Pending
- 1990-05-17 DE DE69020736T patent/DE69020736T2/de not_active Expired - Fee Related
- 1990-05-17 WO PCT/GB1990/000766 patent/WO1990014739A1/en active IP Right Grant
- 1990-05-17 AT AT90908284T patent/ATE124834T1/de not_active IP Right Cessation
- 1990-05-17 EP EP90908284A patent/EP0473664B1/de not_active Expired - Lifetime
-
1994
- 1994-08-19 US US08/293,119 patent/US5483617A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2234078B (en) | 1993-06-30 |
EP0473664B1 (de) | 1995-07-05 |
ATE124834T1 (de) | 1995-07-15 |
JPH04505372A (ja) | 1992-09-17 |
DE69020736T2 (de) | 1996-03-21 |
GB8911376D0 (en) | 1989-07-05 |
GB2234078A (en) | 1991-01-23 |
US5483617A (en) | 1996-01-09 |
WO1990014739A1 (en) | 1990-11-29 |
EP0473664A1 (de) | 1992-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69020736D1 (de) | Wellenanalyse. | |
EP0950239A4 (de) | Verfahren und gerät zum erkennen von geräuschsignalproben aus einem geräusch | |
DE68929442D1 (de) | Anordnung zur Feststellung der Anwesenheit von Sprachlauten | |
CA2098629A1 (en) | Speech recognition method using time-frequency masking mechanism | |
ATE327002T1 (de) | System zum detektieren von aufmerksamkeit und schläfrigkeit | |
DE3772381D1 (de) | Verfahren zum uebertragen digitalisierter tonsignale. | |
TW340938B (en) | Dialog device with voice identification capabilty | |
WO2002093550A3 (de) | Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen unter verwendung einer autokorrelationsfunktion | |
GB2181874B (en) | Voice recognition system | |
BR9201712A (pt) | Conversor de frequencia de amostragem | |
Ghitza | Auditory nerve representation criteria for speech analysis/synthesis | |
DE69012446D1 (de) | Detektor für Niederfrequenz-Wechselstromsignale für eine Telefonverbindungsleitung. | |
GB1187536A (en) | Processor for Helium Speech | |
SU568964A1 (ru) | Способ расппознавани речевых сигналов в каналах св зи | |
FR1398997A (fr) | Système vocodeur | |
SU399908A1 (ru) | Способ преобразования речевбгх сигналов | |
Ghitza | A measure of in-synchrony regions in the auditory nerve firing patterns as a basis for speech vocoding | |
FR1537253A (fr) | Système de détection de la voix | |
SU404122A1 (ru) | Способ обработки речевого сигнала | |
ENGEL | A pragmatic approach to multichannel Air Force signal analysis(Beat frequency detector algorithm for multichannel signal analysis)[Final Scientific Report] | |
Ahmed et al. | Comparison of LPC estimation algorithms from noisy speech | |
Garudadri et al. | Application of smoothed Wigner distribution (WD) to speech signals | |
Williamson | Distortion analysis using Hermite polynomials | |
IT1117427B (it) | Procedimento per un sicuro riscontro di segnali sinusoidali di frequenza acustica | |
Shamma | Lateral inhibition and the processing of speech evoked activity in the auditory nerve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |