| 摘要 |
PROBLEM TO BE SOLVED: To make a recording medium efficiently usable by lowering the quality of sound in announcement portions and regulating the amount of data so as to record music portions with the high-sound quality to the recording medium. SOLUTION: The voice signal recording device is equipped with an analyzing means 6 for analyzing the signal waveforms of the voice signals of broadcasting received in a broadcasting program receiving means 5, a classifying means 7 for classifying the voice signals to the announcement portions mainly composed of speaking voices and the music portions mainly composed of musical tones or the musical tones and singing voices from the results analyzed in the analyzing means, an encoding means 9 for encoding the announcement portions and the music portions classified in the classifying means at different compression rates, and a recording means 10 for recording the encoded voice signals to the recording medium. COPYRIGHT: (C)2005,JPO&NCIPI
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