1988-02-01

Sound Field Control in a Car Compartment 880235

With the availability of CDs, DATs and other new media, sources are attaining dynamic ranges of almost 100 dB. Currently, agressive efforts are being directed at sound field control to create concert-hall presence in stereophonic reproduction or in listening rooms. However, efforts to obtain satisfactory stereophonic effects in an automobile are confronted with the problems of interference from acoustic transmission and degraded sound quality depending on the volume, geometry, and building materia! of the car compartment, listening position in it, and so on. This paper discusses our latest approaches to acoustic transmission characteristics control techno1ogy, namely, a surround system,with reference to such topics as creation of auditory perspective effects through reflection sound control in a car compartment.

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