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You can find a description of the board on the TI website .
To receive the signals, we decided to use the McBSP1 receive interrupt so we could read the values from our two 16 bitchannels simultaneously.
As shown in , we used two electret microphones spaced 10 cm apart. Each microphone was amplifiedwith identical non-inverting op-amp circuits ( LM386 ), as shown in . This circuit includes a low-voltage audio power amplifier and internal feedback withfixed gain.
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