PROBLEM TO BE SOLVED: To provide an active noise suppression system capable of adequately achieving both of conversation assistance and active noise suppression within a closed space.SOLUTION: An active noise suppression system 11 for a vehicle includes: a first microphone 13A and first speaker 13B arranged in a front seat space 13; a second microphone 15A and second speaker 15B arranged in a rear seat space 15; and an active noise suppression device 17 for performing control to allow the first speaker 13B and the second speaker 15B to output canceling sound to suppress noise inside a cabin. The active noise suppression device 17 performs processing of: removing a sound component belonging to a frequency band related to the second canceling sound from sound collected by the first microphone 13A when generating first synthesis sound; and removing a sound component belonging to a frequency band related to the first canceling sound from sound collected by the second microphone 15A when generating second synthesis sound.SELECTED DRAWING: Figure 1

    【課題】閉空間内での会話補助と能動騒音抑制を的確に両立可能な能動騒音抑制システムを提供する。【解決手段】車両用能動騒音抑制システム11は、前席空間13に設けられる第1マイクロフォン13A及び第1スピーカ13B、後席空間15に設けられる第2マイクロフォン15A及び第2スピーカ15B、並びに、車室内の騒音を抑制するための打消音を、第1スピーカ13B、第2スピーカ15Bから出力させる制御を行う能動騒音抑制装置17を備える。能動騒音抑制装置17は、第1の合成音声を生成する際に、第1マイクロフォン13Aで収音された音声から第2の打消音に係る周波数帯域に属する音声成分を除去する一方、第2の合成音声を生成する際に、第2マイクロフォン15Aで収音された音声から第1の打消音に係る周波数帯域に属する音声成分を除去する処理を行う。【選択図】図1


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    Title :

    ACTIVE NOISE SUPPRESSION SYSTEM AND ACTIVE NOISE SUPPRESSION SYSTEM FOR VEHICLE


    Additional title:

    能動騒音抑制システム、及び車両用能動騒音抑制システム


    Contributors:

    Publication date :

    2016-10-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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