MICROPHONE ARRAY APPARATUS

• Main Authors: SAWA HIROTAKA, WATANABE SHUICHI
• Format: Patent
• Language: English; Japanese
• Published: 19.01.2015
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

PROBLEM TO BE SOLVED: To downsize a holding housing of a microphone and inhibit the deterioration of acoustic characteristics of sounds collected in a sound collection space.SOLUTION: A microphone array apparatus 11 includes: multiple microphone units 13 which are disposed in a sound collection space 19, each of the multiple microphone units 13 where a microphone element is housed in a microphone holder; multiple pipes 15, each of which has one end part fixed to each microphone unit and is acoustically transparent; and a tube holding member 17 disposed at a sound collection space exterior part 29 located at the rear side relative to microphone sound receiving surface 27 of the microphone units and supports the microphone units with the other end parts of the pipes fixed thereto. 【課題】マイクロホンの保持筐体を小型化し、収音空間内において収音された音声の音響特性の劣化を抑制する。【解決手段】マイクアレイ装置１１は、収音空間１９内に配置され、マイクホルダ内にマイク素子が収容された複数のマイクユニット１３と、各マイクユニットに一端部が固定される音響的に透明な複数のパイプ１５と、マイクユニットのマイク受信音面２７よりも後方の収音空間外部２９に配置され、各管体の他端部が固定されてマイクユニットを支持する管体保持部材１７と、を含む。【選択図】図１