Harman Becker Automotive Systems Gmbh

Steffen Wagner

Wolfgang Hess

The invention relates to a sound system in a vehicle. The sound system comprises a first audio signal source providing a first audio signal and a second audio signal source providing a second audio signal. The sound system further comprises loudness determination unit is configured for determining a loudness of the first audio signal based on a psycho-acoustic model of a human hearing and a type information unit configured for establishing type information of the second audio signal. The sound system further comprises a control unit configured for individually selecting, for each of at least two playback zones, a mixing mode depending on the type of the second audio signal, wherein the mixing modes relate to a relation between signal output gains of the first and second audio signals. The control unit is further configured for individually mixing for playback, in each of the at least two playback zones, the first audio signal and the second audio signal based on the selected mixing mode and the determined loudness. The sound system further comprises a plurality of loudspeakers addressing individually the at least two playback zones.

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Ettlingen, Germany

Steffen Wagner