发明授权
US06492913B2 Method and circuit for decoding an analog audio signal using the BTSC standard 有权
使用BTSC标准解码模拟音频信号的方法和电路

Method and circuit for decoding an analog audio signal using the BTSC standard
摘要:
An integrated circuit for decoding an analog audio signal includes a tuner that receives the analog audio signal and provides a sound intercarrier frequency signal. A digital demodulator receives and digitizes the sound intercarrier frequency signal to provide a digitized sound intercarrier frequency signal, and digitally demodulates the digitized sound intercarrier frequency signal to provide a digitized multichannel television sound (MTS) demodulated signal. A digital broadcast television system committee (BTSC) compatible decoder receives and decodes the digitized multichannel television sound (MTS) demodulated signal, and provides a summed (L+R) audio output signal and a difference (L−R) audio output signal.
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