CN112292870A - 音频信号处理装置及方法 - Google Patents
音频信号处理装置及方法 Download PDFInfo
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- CN112292870A CN112292870A CN201880094783.0A CN201880094783A CN112292870A CN 112292870 A CN112292870 A CN 112292870A CN 201880094783 A CN201880094783 A CN 201880094783A CN 112292870 A CN112292870 A CN 112292870A
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- microphones
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- 230000005236 sound signal Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 27
- 238000005070 sampling Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 230000015654 memory Effects 0.000 description 7
- 230000000747 cardiac effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 241000238413 Octopus Species 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
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- 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
- H04R1/326—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for microphones
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- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- 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
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
本披露提供一种音频信号处理装置,包括:多个麦克风;多个麦克风两两接近设置,并且多个麦克风形成对称性结构。
Description
PCT国内申请,说明书已公开。
Claims (23)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/100464 WO2020034095A1 (zh) | 2018-08-14 | 2018-08-14 | 音频信号处理装置及方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112292870A true CN112292870A (zh) | 2021-01-29 |
Family
ID=69524631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880094783.0A Pending CN112292870A (zh) | 2018-08-14 | 2018-08-14 | 音频信号处理装置及方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11778382B2 (zh) |
CN (1) | CN112292870A (zh) |
WO (1) | WO2020034095A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111627425B (zh) * | 2019-02-12 | 2023-11-28 | 阿里巴巴集团控股有限公司 | 一种语音识别方法及系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102227918A (zh) * | 2008-12-17 | 2011-10-26 | 雅马哈株式会社 | 声音收集装置 |
US20170084287A1 (en) * | 2015-09-23 | 2017-03-23 | Samsung Electronics Co., Ltd. | Electronic device and method of audio processing thereof |
CN106842131A (zh) * | 2017-03-17 | 2017-06-13 | 浙江宇视科技有限公司 | 麦克风阵列声源定位方法及装置 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US6584203B2 (en) | 2001-07-18 | 2003-06-24 | Agere Systems Inc. | Second-order adaptive differential microphone array |
WO2007106399A2 (en) * | 2006-03-10 | 2007-09-20 | Mh Acoustics, Llc | Noise-reducing directional microphone array |
KR100499124B1 (ko) | 2002-03-27 | 2005-07-04 | 삼성전자주식회사 | 직교 원형 마이크 어레이 시스템 및 이를 이용한 음원의3차원 방향을 검출하는 방법 |
GB0321722D0 (en) | 2003-09-16 | 2003-10-15 | Mitel Networks Corp | A method for optimal microphone array design under uniform acoustic coupling constraints |
US7515721B2 (en) | 2004-02-09 | 2009-04-07 | Microsoft Corporation | Self-descriptive microphone array |
US8090117B2 (en) | 2005-03-16 | 2012-01-03 | James Cox | Microphone array and digital signal processing system |
GB0619825D0 (en) * | 2006-10-06 | 2006-11-15 | Craven Peter G | Microphone array |
EP2168396B1 (en) | 2007-07-09 | 2019-01-16 | MH Acoustics, LLC | Augmented elliptical microphone array |
US9326064B2 (en) | 2011-10-09 | 2016-04-26 | VisiSonics Corporation | Microphone array configuration and method for operating the same |
EP2592845A1 (en) | 2011-11-11 | 2013-05-15 | Thomson Licensing | Method and Apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field |
EP2848007B1 (en) * | 2012-10-15 | 2021-03-17 | MH Acoustics, LLC | Noise-reducing directional microphone array |
US9197962B2 (en) | 2013-03-15 | 2015-11-24 | Mh Acoustics Llc | Polyhedral audio system based on at least second-order eigenbeams |
CN104464739B (zh) * | 2013-09-18 | 2017-08-11 | 华为技术有限公司 | 音频信号处理方法及装置、差分波束形成方法及装置 |
CN203608356U (zh) * | 2013-12-02 | 2014-05-21 | 吴东亮 | 一种用于会议室的阵列话筒 |
US9734822B1 (en) * | 2015-06-01 | 2017-08-15 | Amazon Technologies, Inc. | Feedback based beamformed signal selection |
US9961437B2 (en) | 2015-10-08 | 2018-05-01 | Signal Essence, LLC | Dome shaped microphone array with circularly distributed microphones |
US10412490B2 (en) * | 2016-02-25 | 2019-09-10 | Dolby Laboratories Licensing Corporation | Multitalker optimised beamforming system and method |
EP3440848B1 (en) * | 2016-04-07 | 2020-10-14 | Sonova AG | Hearing assistance system |
CN105764011B (zh) * | 2016-04-08 | 2017-08-29 | 甄钊 | 用于3d沉浸式环绕声音乐与影视拾音的传声器阵列装置 |
US10477304B2 (en) * | 2016-06-15 | 2019-11-12 | Mh Acoustics, Llc | Spatial encoding directional microphone array |
WO2017218399A1 (en) * | 2016-06-15 | 2017-12-21 | Mh Acoustics, Llc | Spatial encoding directional microphone array |
KR20190085924A (ko) * | 2016-11-21 | 2019-07-19 | 하만 베커 오토모티브 시스템즈 게엠베하 | 빔 조향 |
US10304475B1 (en) * | 2017-08-14 | 2019-05-28 | Amazon Technologies, Inc. | Trigger word based beam selection |
US9973849B1 (en) * | 2017-09-20 | 2018-05-15 | Amazon Technologies, Inc. | Signal quality beam selection |
-
2018
- 2018-08-14 CN CN201880094783.0A patent/CN112292870A/zh active Pending
- 2018-08-14 WO PCT/CN2018/100464 patent/WO2020034095A1/zh active Application Filing
-
2021
- 2021-01-07 US US17/143,787 patent/US11778382B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102227918A (zh) * | 2008-12-17 | 2011-10-26 | 雅马哈株式会社 | 声音收集装置 |
US20170084287A1 (en) * | 2015-09-23 | 2017-03-23 | Samsung Electronics Co., Ltd. | Electronic device and method of audio processing thereof |
CN106842131A (zh) * | 2017-03-17 | 2017-06-13 | 浙江宇视科技有限公司 | 麦克风阵列声源定位方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2020034095A1 (zh) | 2020-02-20 |
US20210127208A1 (en) | 2021-04-29 |
US11778382B2 (en) | 2023-10-03 |
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Application publication date: 20210129 |