| 摘要 |
<p>A surround sound processor system (108) for multichannel redistribution of stereophonic signals (2, 4) has digitally controlled gains in each input and each output channel, controlled by a microprocessor (51), which receives an input signal from a microphone (74) placed at the preferred listening location within the listening area (72) for automatically balancing the input signals (2, 4) and setting both input and output gains during a calibration process so as to provide the listener with the best possible surround sound reproduction of the stereophonic source material. As a visual aid, the microprocessor displays menus and messages on a video screen (78), and a visual display (88) shows the relative levels of the six axes of control signals within the surround sound processor.</p> |
