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DYNAMIC RANGE CONTROL MODULE, SPEECH PROCESSING APPARATUS, AND METHOD FOR AMPLITUDE ADJUSTMENT FOR A SPEECH SIGNAL

  • US 20100114569A1
  • Filed: 10/31/2008
  • Published: 05/06/2010
  • Est. Priority Date: 10/31/2008
  • Status: Active Grant
First Claim
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1. A speech processing apparatus, comprising:

  • a speech signal source, generating a speech signal;

    a dynamic range control module, coupled to the speech signal source, determining a syllable from the speech signal, calculating peak amplitude of the syllable, and adjusting amplitude of the whole syllable with same gain according to the peak amplitude in the syllable to obtain an adjusted speech signal; and

    a power amplifier, coupled to the dynamic range control module, amplifying the adjusted speech signal to obtain an amplified speech signal.

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