摘要 |
A multiple-channel audio reproduction apparatus has an audio demodulator for demodulating an input signal to produce audio signals for multiple channels. One or more signal-processing circuits process audio signals of one or more of these channels in a way suitable for reproduction by loudspeakers connected to other channels. Switches feed the processed audio signals to output terminals for those other channels. A switch controller turns these switches on if a loudspeaker is not connected to the channel corresponding to the original, unprocessed signal, and otherwise turns these switches off.
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