发明申请
US20080304677A1 SYSTEM AND METHOD FOR NOISE CANCELLATION WITH MOTION TRACKING CAPABILITY 审中-公开
用于具有运动跟踪能力的噪声消除的系统和方法

SYSTEM AND METHOD FOR NOISE CANCELLATION WITH MOTION TRACKING CAPABILITY
摘要:
A system and method for noise cancellation is disclosed herein generally having at least one microphone, a processor, and a speaker array. The processor may contain an adaptive filtering feature, to separate desirable sound from undesirable sound. The undesirable sound may be suppressed by the processor by creating a canceling waveform and transmitting the canceling waveform to the user's head via a speaker array. The desirable sound may be enhanced by increasing the amplitude of the waveform and transmitting the amplified waveform to the user's head via a speaker array. The sound transmitted to the user's head by the system may be localized using an image tracking subsystem and speaker array. The image tracking system may track the actual visible image or alternatively a heat (e.g. infrared) image of the user's head.
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