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Baseband modem for speech recognition and mobile communication terminal using the same
Baseband modem for speech recognition and mobile communication terminal using the same
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机译:用于语音识别的基带调制解调器和使用该调制解调器的移动通信终端
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摘要
A baseband modem and method for voice recognition and a mobile communication terminal using the baseband modem and method are disclosed. A speech recognition rate may be increased by selecting a sampling rate suitable for speech recognition and portions of the speech recognition process may be implemented in hardware. The present invention includes an audio codec modulating a received voice signal using either a sampling rate for speech recognition or a sampling rate for voice communication. A feature vector extraction block extracts one or more feature vectors from the modulated voice signal and a speech recognition block performs speech recognition using an extracted feature vector when the voice signal is determined as a voice command. A vocoder vocodes an output of the audio codec when the voice signal is determined as voice communication.
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