The Griffin iMic is our audio input device of choice.
Griffin iMic是我们选择的音频输入设备。
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In the next article, I'll describe how to use the iMic to gather an analog data stream, and I'll show you how to use one of the SPEs to turn the system into a useful spectrum analyzer.
However, in line with the modest capabilities of the iMic, our target for this series is to work with two parallel (stereo) 44.1khz 16-bit data streams, implying an audio bandwidth of 22.05khz.