Method and system for reducing noise
    1.
    发明申请
    Method and system for reducing noise 审中-公开
    减少噪音的方法和系统

    公开(公告)号:US20030228019A1

    公开(公告)日:2003-12-11

    申请号:US10167066

    申请日:2002-06-11

    CPC classification number: H04R1/1083 H04R1/1008 H04R3/005 H04R2420/01

    Abstract: System for producing a substantially noise-free signal of an acoustic sound, and for producing a sound, the sound including a desired sound and an anti-phase noise sound, the anti-phase noise sound being in anti-phase relative to a noise, the system including an acoustoelectric transducer, a reference-acoustoelectric transducer and an audio controller coupled with the reference-acoustoelectric transducer and the acoustoelectric transducer, wherein the acoustoelectric transducer produces a noise bearing sound signal by detecting the acoustic sound and the noise, wherein the reference-acoustoelectric transducer produces the reference noise signal by detecting the noise in a noisy environment and wherein the audio controller produces the substantially noise-free signal, according to the reference noise signal and the noise bearing sound signal.

    Abstract translation: 用于产生声音的基本上无噪声的信号并且用于产生声音的声音,包括期望的声音和反相噪声的声音,反相噪声相对于噪声是相位相位的, 所述系统包括声电换能器,参考声电换能器和与参考声电换能器和声电换能器耦合的音频控制器,其中,声电换能器通过检测声音和噪声产生噪声承载声音信号,其中参考 - 声电换能器通过在噪声环境中检测噪声来产生参考噪声信号,并且其中音频控制器根据参考噪声信号和噪声承载声音信号产生基本上无噪声的信号。

    Method and system for audio imaging
    2.
    发明申请
    Method and system for audio imaging 审中-公开
    音频成像方法和系统

    公开(公告)号:US20030223602A1

    公开(公告)日:2003-12-04

    申请号:US10162231

    申请日:2002-06-04

    CPC classification number: H04S3/004

    Abstract: System for producing multi-dimensional sound to be heard by an aircraft crew member, the multi-dimensional sound being respective of an input signal received from a source and associated with a respective indicated input signal position, the system comprising an aircraft crew member position system, detecting the aircraft crew member position, a memory unit, storing a plurality of spatial sound models, a processor, coupled with the aircraft crew member position system, the memory unit and with the source, the processor retrieving a selected one of the spatial sound models from the memory unit, according to the indicated input signal position and the aircraft crew member position, the processor applying the selected spatial sound model to an audio signal respective of the input signal, thereby producing a plurality of audio channels, and a plurality of head-mounted sound reproducers, coupled with the processor, each the head-mounted sound reproducers being associated with and producing sound according to a respective one of the audio channels.

    Abstract translation: 用于产生由飞机机组人员听到的多维声音的系统,所述多维声音分别对应于从源接收并与各自指示的输入信号位置相关联的输入信号,所述系统包括飞行员乘务员位置系统 检测飞机机组成员位置,存储单元,存储多个空间声音模型,处理器,与飞机机组成员位置系统,存储器单元和源相连接,处理器检索所选择的一个空间声音 来自存储器单元的模型,根据所指示的输入信号位置和飞机机组位置,处理器将所选择的空间声音模型应用于输入信号相应的音频信号,由此产生多个音频通道,以及多个 头戴式声音再现器,加上处理器,每个头戴式声音再现器与之相关联并产生 根据相应的一个音频通道的声音。

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