FR3055461B1 - Procede de traitement de signaux, en particulier de signaux acoustiques, et dispositif correspondant - Google Patents
Procede de traitement de signaux, en particulier de signaux acoustiques, et dispositif correspondant Download PDFInfo
- Publication number
- FR3055461B1 FR3055461B1 FR1657854A FR1657854A FR3055461B1 FR 3055461 B1 FR3055461 B1 FR 3055461B1 FR 1657854 A FR1657854 A FR 1657854A FR 1657854 A FR1657854 A FR 1657854A FR 3055461 B1 FR3055461 B1 FR 3055461B1
- Authority
- FR
- France
- Prior art keywords
- signals
- corresponding device
- especially acoustic
- acoustic signals
- processing
- 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
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
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
-
- 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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/005—Electrostatic transducers using semiconductor materials
-
- 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
- H04R2201/003—Mems transducers or their use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
- H04R2430/23—Direction finding using a sum-delay beam-former
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1657854A FR3055461B1 (fr) | 2016-08-23 | 2016-08-23 | Procede de traitement de signaux, en particulier de signaux acoustiques, et dispositif correspondant |
| CN201710183685.1A CN107770679B (zh) | 2016-08-23 | 2017-03-24 | 处理信号的方法以及相应的设备 |
| US15/473,812 US10264353B2 (en) | 2016-08-23 | 2017-03-30 | Method of processing digital signals, in particular digital acoustic signals, by sample skipping and decimation filtering and corresponding device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1657854A FR3055461B1 (fr) | 2016-08-23 | 2016-08-23 | Procede de traitement de signaux, en particulier de signaux acoustiques, et dispositif correspondant |
| FR1657854 | 2016-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR3055461A1 FR3055461A1 (fr) | 2018-03-02 |
| FR3055461B1 true FR3055461B1 (fr) | 2018-08-31 |
Family
ID=57539374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1657854A Expired - Fee Related FR3055461B1 (fr) | 2016-08-23 | 2016-08-23 | Procede de traitement de signaux, en particulier de signaux acoustiques, et dispositif correspondant |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10264353B2 (fr) |
| CN (1) | CN107770679B (fr) |
| FR (1) | FR3055461B1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10718801B2 (en) * | 2017-08-21 | 2020-07-21 | Cirrus Logic, Inc. | Reducing noise in a capacitive sensor with a pulse density modulator |
| US10325613B1 (en) * | 2018-07-12 | 2019-06-18 | Microsemi Semiconductor Ulc | Acoustic delay estimation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388079A (en) * | 1993-03-26 | 1995-02-07 | Siemens Medical Systems, Inc. | Partial beamforming |
| US6680753B2 (en) * | 2001-03-07 | 2004-01-20 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for skipping and repeating audio frames |
| DE602004017120D1 (de) * | 2004-02-24 | 2008-11-27 | Accent S P A | Verfahren zur Implementierung eines fraktionalen Abtastratenumsetzers und entsprechende Umsetzerarchitektur |
| EP1744174A1 (fr) * | 2005-07-12 | 2007-01-17 | Mitel Networks Corporation | Formateur de faisceaux à suréchantillonnage |
| US7574632B2 (en) * | 2005-09-23 | 2009-08-11 | Teradyne, Inc. | Strobe technique for time stamping a digital signal |
| JP4882773B2 (ja) * | 2007-02-05 | 2012-02-22 | ソニー株式会社 | 信号処理装置、信号処理方法 |
| US8929494B2 (en) * | 2010-11-30 | 2015-01-06 | Mojix, Inc. | Systems and methods for joint beamforming and preamble detection |
| US9941895B2 (en) * | 2016-08-01 | 2018-04-10 | Kopin Corporation | Time delay in digitally oversampled sensor systems, apparatuses, and methods |
-
2016
- 2016-08-23 FR FR1657854A patent/FR3055461B1/fr not_active Expired - Fee Related
-
2017
- 2017-03-24 CN CN201710183685.1A patent/CN107770679B/zh active Active
- 2017-03-30 US US15/473,812 patent/US10264353B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107770679B (zh) | 2020-11-06 |
| US20180063638A1 (en) | 2018-03-01 |
| US10264353B2 (en) | 2019-04-16 |
| CN107770679A (zh) | 2018-03-06 |
| FR3055461A1 (fr) | 2018-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PLFP | Fee payment |
Year of fee payment: 2 |
|
| PLSC | Search report ready |
Effective date: 20180302 |
|
| PLFP | Fee payment |
Year of fee payment: 3 |
|
| PLFP | Fee payment |
Year of fee payment: 4 |
|
| ST | Notification of lapse |
Effective date: 20210405 |