Microphones


NAO V5 - Evolution

Specification

Microphones x4 on the head
Sensitivity 20mV/Pa +/-3dB at 1KHz
Frequency range 150Hz to 12kHz

Location

/sites/default/files/repository/69_html_nao/_images/hardware_microposition_v5.png

The position is relative to End Transform of Head Chain.

Part Location Name X (m) Y (m) Z (m)
A Front Right MicroFR 0.0206 -0.0309 0.0986
B Left MicroFL 0.0206 0.0309 0.0986
C Back Left MicroRL -0.0215 0.0558 0.0774
D Right MicroRR -0.0215 -0.0558 0.0774

Former versions

Specification

The NAO Academics edition comes with 4 microphones (2 in the RoboCup edition).

The electrical bandpass of the microphone’s ways is : [ 300Hz - 8kHz ].

Location

/sites/default/files/repository/69_html_nao/_images/hardware_microposition.png

The position is relative to End Transform of Head Chain.

Head V4 and V3.3

Micro name X(m) Y(m) Z(m)
MicroFront 0.0489 0.0 0.076
MicroRear -0.046 0.0 0.0814
MicroLeft -0.0195 0.0606 0.0331
MicroRight -0.0195 -0.0606 0.0331

Head V3.2

Micro name X(m) Y(m) Z(m)
MicroFront 0.041 0.0 0.0915
MicroRear -0.0577 0.0 0.0693
MicroLeft -0.0195 0.0606 0.0331
MicroRight -0.0195 -0.0606 0.0331