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NOISE REDUCTION AUDIO REPRODUCING DEVICE AND NOISE REDUCTION AUDIO REPRODUCING METHOD

  • US 20090323976A1
  • Filed: 06/17/2009
  • Published: 12/31/2009
  • Est. Priority Date: 06/27/2008
  • Status: Active Grant
First Claim
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1. A noise reduction audio reproducing device comprising:

  • a noise cancel processing unit to generate, from a first audio signal of noise collected and obtained by a first acousto-electric converting unit to collect noise, a second audio signal for noise cancellation to cancel said noise by synthesizing said second audio signal for noise cancellation and said noise in an acoustic manner, and cause an electro-acoustic converting unit to reproduce said second audio signal for noise cancellation acoustically to synthesize said second audio signal for noise cancellation and said noise in the acoustic manner;

    a second acousto-electric converting unit to collect a third audio signal to be listened to;

    an audio emphasizing unit to emphasize an audio component to be listened to, of audio signals collected by said second acousto-electric converting unit;

    a synthesizing unit to synthesize a fourth audio signal with said audio component to be listened to being emphasized from said audio emphasizing unit, and said second audio signal for noise cancellation to supply a synthesized signal thereof to said electro-acoustic converting unit; and

    a control unit to perform control so as to supply a fifth audio signal, with said audio component to be listened to having been emphasized by said audio emphasizing unit to said synthesizing unit, regarding only with a first section based on a control signal.

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