VEHICLE-CARRIED SOUND REPRODUCTION APPARATUS

摘要

A vehicle-carried sound reproduction system is disclosed which reproduces a sound image forwardly of a passenger of a vehicle in which it is incorporated. The vehicle-carried sound reproduction apparatus includes a correction filter circuit for converting input digital audio signals XL(Z) and XR(Z) for left and right channels into digital audio signals YL(Z) and YR(Z) represented respectively by YL(Z) .cndot. GLL(Z) + YR(Z) .cndot. GLR(Z) = XL(Z) .cndot. FLL(Z) + XR(Z) .cndot. FLR(Z) YR(Z) .cndot. GLL(Z) + YL(Z) .cndot. GLR(Z) - XR(Z) .cndot. FLL(Z) + XL(Z) .cndot. FLR(Z) where FLL(Z) , FLR(Z) , GLL(Z) , and GLR(Z) represent head transfer functions. The vehicle carried sound reproduction system further includes a digital to analog converter circuit for converting the digital audio signals YL(Z) and YR(Z) outputted from the correction filter circuit into analog audio signals. The analog audio signals outputted from the digital to analog converter circuit are supplied to a pair of speakers for the left and right channels.