JPH0126598B2 - - Google Patents

Info

Publication number
JPH0126598B2
JPH0126598B2 JP57182355A JP18235582A JPH0126598B2 JP H0126598 B2 JPH0126598 B2 JP H0126598B2 JP 57182355 A JP57182355 A JP 57182355A JP 18235582 A JP18235582 A JP 18235582A JP H0126598 B2 JPH0126598 B2 JP H0126598B2
Authority
JP
Japan
Prior art keywords
target signal
noise
signals
delay
signal
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
Application number
JP57182355A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5972295A (ja
Inventor
Yutaka Kaneda
Toshiro Ooga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP57182355A priority Critical patent/JPS5972295A/ja
Priority to US06/539,891 priority patent/US4536887A/en
Priority to CA000439141A priority patent/CA1208758A/fr
Priority to NLAANVRAGE8303589,A priority patent/NL190568C/xx
Publication of JPS5972295A publication Critical patent/JPS5972295A/ja
Publication of JPH0126598B2 publication Critical patent/JPH0126598B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones

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)
JP57182355A 1982-10-18 1982-10-18 多点受音装置 Granted JPS5972295A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57182355A JPS5972295A (ja) 1982-10-18 1982-10-18 多点受音装置
US06/539,891 US4536887A (en) 1982-10-18 1983-10-07 Microphone-array apparatus and method for extracting desired signal
CA000439141A CA1208758A (fr) 1982-10-18 1983-10-17 Groupe microphonique et methode d'extraction des signaux desires
NLAANVRAGE8303589,A NL190568C (nl) 1982-10-18 1983-10-18 Microfoonconfiguratie.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57182355A JPS5972295A (ja) 1982-10-18 1982-10-18 多点受音装置

Publications (2)

Publication Number Publication Date
JPS5972295A JPS5972295A (ja) 1984-04-24
JPH0126598B2 true JPH0126598B2 (fr) 1989-05-24

Family

ID=16116859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57182355A Granted JPS5972295A (ja) 1982-10-18 1982-10-18 多点受音装置

Country Status (1)

Country Link
JP (1) JPS5972295A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6457899A (en) * 1987-08-28 1989-03-06 Central Res Inst Elect Microphone and speaker
JP5034607B2 (ja) * 2006-11-02 2012-09-26 株式会社日立製作所 音響エコーキャンセラシステム
US8526632B2 (en) 2007-06-28 2013-09-03 Microsoft Corporation Microphone array for a camera speakerphone
US8165416B2 (en) 2007-06-29 2012-04-24 Microsoft Corporation Automatic gain and exposure control using region of interest detection
US8330787B2 (en) 2007-06-29 2012-12-11 Microsoft Corporation Capture device movement compensation for speaker indexing
WO2011004503A1 (fr) * 2009-07-08 2011-01-13 株式会社日立製作所 Dispositif d’élimination du bruit et procédé associé
WO2012086834A1 (fr) * 2010-12-21 2012-06-28 日本電信電話株式会社 Procédé, dispositif, programme pour l'amélioration de la parole, et support d'enregistrement
US10951859B2 (en) 2018-05-30 2021-03-16 Microsoft Technology Licensing, Llc Videoconferencing device and method

Also Published As

Publication number Publication date
JPS5972295A (ja) 1984-04-24

Similar Documents

Publication Publication Date Title
JP3701940B2 (ja) 目的信号源から雑音環境に放射される信号を処理するシステム及び方法
EP3833041B1 (fr) Procédé et système de traitement de signal d'écouteur et écouteur
US9961437B2 (en) Dome shaped microphone array with circularly distributed microphones
EP3384684B1 (fr) Système de conférence à système de réseau de microphones et procédé d'acquisition de parole dans un système de conférence
US9591404B1 (en) Beamformer design using constrained convex optimization in three-dimensional space
CA2407855C (fr) Techniques de suppression d'interferences
KR101715779B1 (ko) 음원 신호 처리 장치 및 그 방법
US9253567B2 (en) Array microphone apparatus for generating a beam forming signal and beam forming method thereof
US8204247B2 (en) Position-independent microphone system
US10331396B2 (en) Filter and method for informed spatial filtering using multiple instantaneous direction-of-arrival estimates
KR100884968B1 (ko) 상보적 노이즈 분리 필터를 이용한 효율적 빔포밍 방법
KR100831655B1 (ko) 적응적 간섭 제거기의 적응 제어 조정 방법
US8615392B1 (en) Systems and methods for producing an acoustic field having a target spatial pattern
EP1699913A2 (fr) Procede de generation de references de bruits pour l'annulation generalisee de lobes secondaires
WO2013049738A2 (fr) Traitement de signaux
WO2018158558A1 (fr) Dispositif de capture et de sortie audio
KR101613683B1 (ko) 음향 방사 패턴 생성 장치 및 방법
JP2009141560A (ja) 音声信号処理装置、音声信号処理方法
JPH0126598B2 (fr)
JP2007027939A (ja) 音響信号処理装置
EP4443901A1 (fr) Génération d'un signal audio stéréo
JP2026513759A (ja) オーディオステレオ信号の生成
JPH0435300A (ja) 受音処理装置
Masgrau et al. Performance comparison of several adaptive schemes for microphone array beamforming.
Zhang et al. Adaptive null-forming algorithm with auditory sub-bands