CA2397009A1 - Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage - Google Patents
Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage Download PDFInfo
- Publication number
- CA2397009A1 CA2397009A1 CA 2397009 CA2397009A CA2397009A1 CA 2397009 A1 CA2397009 A1 CA 2397009A1 CA 2397009 CA2397009 CA 2397009 CA 2397009 A CA2397009 A CA 2397009A CA 2397009 A1 CA2397009 A1 CA 2397009A1
- Authority
- CA
- Canada
- Prior art keywords
- filterbank
- signal processing
- audio signal
- directional audio
- signal processor
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- 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
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/405—Arrangements for obtaining a desired directivity characteristic by combining a plurality of transducers
-
- 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
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/407—Circuits for combining signals of a plurality of transducers
-
- 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
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
- H04R25/507—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing implemented by neural network or fuzzy logic
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Complex Calculations (AREA)
- Circuit For Audible Band Transducer (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Radiation (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002397009A CA2397009C (fr) | 2001-08-08 | 2002-08-07 | Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage |
CA002594362A CA2594362C (fr) | 2001-08-08 | 2002-08-07 | Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2,354,858 | 2001-08-08 | ||
CA002354858A CA2354858A1 (fr) | 2001-08-08 | 2001-08-08 | Traitement directionnel de signaux audio en sous-bande faisant appel a un banc de filtres surechantillonne |
CA002397009A CA2397009C (fr) | 2001-08-08 | 2002-08-07 | Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002594362A Division CA2594362C (fr) | 2001-08-08 | 2002-08-07 | Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2397009A1 true CA2397009A1 (fr) | 2003-02-08 |
CA2397009C CA2397009C (fr) | 2007-10-23 |
Family
ID=25682678
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002594362A Expired - Lifetime CA2594362C (fr) | 2001-08-08 | 2002-08-07 | Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage |
CA002397009A Expired - Lifetime CA2397009C (fr) | 2001-08-08 | 2002-08-07 | Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002594362A Expired - Lifetime CA2594362C (fr) | 2001-08-08 | 2002-08-07 | Traitement directionnel de signaux audio au moyen d'un banc de filtres a surechantillonnage |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2594362C (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005029913A1 (fr) * | 2003-09-23 | 2005-03-31 | Mcmaster University | Systeme auditif adaptatif binaural |
EP3598777A3 (fr) * | 2018-07-18 | 2020-04-22 | Oticon A/s | Dispositif auditif comprenant un estimateur de probabilité de présence de parole |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9947323B2 (en) * | 2016-04-01 | 2018-04-17 | Intel Corporation | Synthetic oversampling to enhance speaker identification or verification |
-
2002
- 2002-08-07 CA CA002594362A patent/CA2594362C/fr not_active Expired - Lifetime
- 2002-08-07 CA CA002397009A patent/CA2397009C/fr not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005029913A1 (fr) * | 2003-09-23 | 2005-03-31 | Mcmaster University | Systeme auditif adaptatif binaural |
US7149320B2 (en) | 2003-09-23 | 2006-12-12 | Mcmaster University | Binaural adaptive hearing aid |
EP3598777A3 (fr) * | 2018-07-18 | 2020-04-22 | Oticon A/s | Dispositif auditif comprenant un estimateur de probabilité de présence de parole |
US11102590B2 (en) | 2018-07-18 | 2021-08-24 | Oticon A/S | Hearing device comprising a speech presence probability estimator |
US11503414B2 (en) | 2018-07-18 | 2022-11-15 | Oticon A/S | Hearing device comprising a speech presence probability estimator |
Also Published As
Publication number | Publication date |
---|---|
CA2397009C (fr) | 2007-10-23 |
CA2594362C (fr) | 2009-12-15 |
CA2594362A1 (fr) | 2003-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20220808 |