An information signal processing method is provided which is to be used for special playback operations to make summary (digest) playback of image/voice data signals of a broadcast program. The method includes the steps of detecting a voice level or predetermined voice characteristic of each predetermined...http://www.google.com/patents/US20070286579?utm_source=gb-gplus-sharePatent US20070286579 - Information signal processing method and apparatus, and computer program product
