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Compensating for ambient noise levels in text-to-speech applications

  • US 6,988,068 B2
  • Filed: 03/25/2003
  • Issued: 01/17/2006
  • Est. Priority Date: 03/25/2003
  • Status: Expired due to Term
First Claim
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1. A method of automatically adjusting volume of speech generated by a text-to-speech application comprising the steps of:

  • receiving an audio output signal from a text-to-speech application;

    responsive to receiving the signal, a volume control system measuring an ambient noise level of an audio environment, wherein the volume control system is separately implemented from the text-to-speech application;

    the volume control system calculating a target volume for speech output generated by a text-to-speech application based in part upon said ambient noise level; and

    ,the volume control system automatically adjusting volume of speech generated by said text-to-speech application responsive to said calculating step.

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