WO2003015458A3 - Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in multiple wave sound environment - Google Patents
Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in multiple wave sound environment Download PDFInfo
- Publication number
- WO2003015458A3 WO2003015458A3 PCT/EP2002/009029 EP0209029W WO03015458A3 WO 2003015458 A3 WO2003015458 A3 WO 2003015458A3 EP 0209029 W EP0209029 W EP 0209029W WO 03015458 A3 WO03015458 A3 WO 03015458A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- processing system
- system including
- present
- sound processing
- multiple wave
- Prior art date
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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
- H04R29/005—Microphone arrays
- H04R29/006—Microphone matching
-
- 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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/403—Linear arrays 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
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)
- Circuit For Audible Band Transducer (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02767370A EP1415502A2 (en) | 2001-08-10 | 2002-08-12 | Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in multiple wave sound environment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92778401A | 2001-08-10 | 2001-08-10 | |
US09/927,784 | 2001-08-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003015458A2 WO2003015458A2 (en) | 2003-02-20 |
WO2003015458A3 true WO2003015458A3 (en) | 2003-10-23 |
Family
ID=25455251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/009029 WO2003015458A2 (en) | 2001-08-10 | 2002-08-12 | Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in multiple wave sound environment |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1415502A2 (en) |
WO (1) | WO2003015458A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4671303B2 (en) * | 2005-09-02 | 2011-04-13 | 国立大学法人北陸先端科学技術大学院大学 | Post filter for microphone array |
US8565459B2 (en) | 2006-11-24 | 2013-10-22 | Rasmussen Digital Aps | Signal processing using spatial filter |
US9467775B2 (en) | 2011-09-02 | 2016-10-11 | Gn Netcom A/S | Method and a system for noise suppressing an audio signal |
CN117896655B (en) * | 2024-03-14 | 2024-07-30 | 深圳前海深蕾半导体有限公司 | Balanced frequency divider circuit and terminal equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3057960A (en) * | 1961-03-13 | 1962-10-09 | Bell Telephone Labor Inc | Normalized sound control system |
US5978490A (en) * | 1996-12-27 | 1999-11-02 | Lg Electronics Inc. | Directivity controlling apparatus |
-
2002
- 2002-08-12 WO PCT/EP2002/009029 patent/WO2003015458A2/en not_active Application Discontinuation
- 2002-08-12 EP EP02767370A patent/EP1415502A2/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3057960A (en) * | 1961-03-13 | 1962-10-09 | Bell Telephone Labor Inc | Normalized sound control system |
US5978490A (en) * | 1996-12-27 | 1999-11-02 | Lg Electronics Inc. | Directivity controlling apparatus |
Also Published As
Publication number | Publication date |
---|---|
WO2003015458A2 (en) | 2003-02-20 |
EP1415502A2 (en) | 2004-05-06 |
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