| 摘要 |
A digital microphone system and a method thereof are described. The digital microphone comprises a receiving unit, an amplifier, a modulator, an audio processing unit and a high definition audio link. After the receiving unit receives an analog audio signal, the analog audio signal is amplified by the amplifier. The analog audio signal is then converted into a first digital data by the modulator. The high definition audio link is set between the modulator and the audio processing unit for transmitting the first digital data. The audio processing unit comprises a digital filter for converting the first digital data into a second digital data. The audio processing unit and the digital filter are integrated and implemented by software.
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