nEvaluation of the acoustical confort
inside a car, in terms of speech intellegibility
nObjective rating of both
electroacoustical devices (sound system) and of natural communication between passengers
nEvaluation of the bi-directional
performances of hands-free communication systems
Details :
nThe sound is recorded inside the car running on the road, by
means of a binaural
microphonic probe. For passenger-to-passenger communication, the test signal is
generated through a mouth simulator, installed in a separate torso
simulator.
nThe test is performed according to IEC standard n.
60268-16 (STI), in the MLS-based implementation.