| 摘要 |
<p>PURPOSE:To prevent unpleasant feeling from being given to a listener by providing an identification signal in front and in rear of a signal where listening is not a purpose, detecting it, masking the channel of a side in which the signal where listening is not the purpose is recorded, and instead of it, outputting the signal of the other channel. CONSTITUTION:A voice signal reproducing part 1 to have two channels: an R side and an L side, a voice output device 5, a silence detector 9 and so on are provided. When a non-voice signal is recorded, a silent period and a start signal fixed in advance following it are recorded at a first part, and the silent period and an end signal fixed in advance following it are recorded at the end part of the non-voice signal. Thus, the voice signal where listening is a purpose and image data where the listening is not the purpose are distinguished surely, an image data part can be masked with the voice signal of a different track, and a listener can enjoy a voice and an image without being conscious of the image data.</p> |
