| 摘要 |
Disclosed herein is an apparatus. The apparatus includes a first audio input device, a second audio input device, an analog to digital converter, a voice activity detector, and a position detector. The first audio input device is configured to receive a first audio signal. The second audio input device is configured to receive a second audio signal. The analog to digital converter is connected to the first and the second audio input devices. The voice activity detector is connected to the analog to digital converter. The voice activity detector is configured to receive input from the first and the second audio input devices. The position detector is connected to the voice activity detector. The position detector is configured to determine a position of the apparatus and classify the audio signals based on, at least partially, a ratio of the first audio signal and the second audio signal.
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