Patent ID: 8538244

Claim:
An apparatus for recording and reproducing movie data to which audio data and reduced image data are attached, comprising: an extracting unit adapted to extract one of a specific audio signal or a specific voice signal from audio data; an analyzing unit adapted to analyze an audio or voice signal extracted by said extracting unit, wherein the analyzing unit firstly performs a first processing of analyzing whether voice signal exist in the extracted signal, the first processing including at least a processing of analyzing whether the voice signal is vowel or consonant, and if no voice signal exist, secondly performs a second processing of analyzing whether audio signal exist in the extracted signal, the second processing including at least a processing of analyzing whether a frequency of the voice signal exceeds a threshold, a generation unit adapted to generate if the voice signal exist in the extracted signal, voice signal, of which amount of information per unit time is increased by a deletion process of at least silent part based on an analyzing result of said analyzing unit, and if no voice signal exist, generate audio signal, of which amount of information per unit time is increased by a deletion process of at least silent part based on an analyzing result of the analyzing unit, a recording unit adapted to record the voice signal or audio signal generated by the generation unit in relation to the movie data in a recording medium; and a reproducing unit adapted to reproduce the generated audio data when the reduced image data is selected or audio data attached to the movie data when the movie data is selected.