SIGNAL PROCESSING APPARATUS HAVING VOICE ACTIVITY DETECTION UNIT AND RELATED SIGNAL PROCESSING METHODS
First Claim
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1. A signal processing apparatus, comprising:
- a speech recognition system; and
a voice activity detection unit, coupled to the speech recognition system, the voice activity detection unit arranged for detecting whether an audio signal is a voice signal or not, and outputting a voice activity detection result to the speech recognition system to control whether the speech recognition system should perform speech recognition upon the audio signal.
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Abstract
A signal processing apparatus includes a speech recognition system and a voice activity detection unit. The voice activity detection unit is coupled to the speech recognition system, and arranged for detecting whether an audio signal is a voice signal and accordingly generating a voice activity detection result to the speech recognition system to control whether the speech recognition system should perform speech recognition upon the audio signal.
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Citations
20 Claims
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1. A signal processing apparatus, comprising:
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a speech recognition system; and a voice activity detection unit, coupled to the speech recognition system, the voice activity detection unit arranged for detecting whether an audio signal is a voice signal or not, and outputting a voice activity detection result to the speech recognition system to control whether the speech recognition system should perform speech recognition upon the audio signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A signal processing method, comprising:
detecting whether an audio signal is a voice signal or not, and outputting a voice activity detection result to the speech recognition system to control whether the speech recognition system should perform speech recognition upon the audio signal. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
Specification