Microphones
The NAO Academics edition comes with 4 microphones (2 in the RoboCup edition). The electrical bandpass of the microphone's ways is : [ 300Hz - 8kHz ]. Refer to the figure below for the positions of the microphones in the head.
Microphones Position relative to End Transform of Head Chain (see ALMotion\Advanced\Model)

| Micro name | X(m) | Y(m) | Z(m) |
|---|---|---|---|
| MicroFront | 0.041 | 0.0 | 0.091 |
| MicroRear | -0.0577 | 0.0 | 0.0693 |
| MicroLeft | -0.0195 | 0.0606 | 0.0331 |
| MicroRight | -0.0195 | -0.0606 | 0.0331 |
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