| 摘要 |
<p>313,336 A sound system, particularly for use in motion picture applications, in which main channel and background channel signals are encoded onto two discrete channels and recorded, decoded and played back, the encoding and decoding process introducing undesirable cross talk of the main channel into the secondary channel. A delay means adjusted to the room or auditorium size causes the main channel speakers to take precedence over the main channel cross talk from secondary speakers, thereby eliminating the perceived cross talk.</p> |
