Four binaural heads, inside the vehicle, enable the measurement of the sound sense by passengers. These heads are useful to characterize the ambient noise in the car.
| Type | Digital |
| Frequency range (+/- 1dB) | 20 – 20000Hz |
| Max. level SPL ( | 145dB |
| Sensibility | env. 50mV/Pa |
| IOutput data
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Temporal data
Narrow band spectra (dB or dB(A)) Third octave band spectra (dB(A)) |
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