| 摘要 |
A signal processing apparatus (2) is provided with: a music tone judging device (12) for judging a music tone or genre of a music composition composed of an input audio signal: a selecting device (14) for selecting one of a plurality of characteristics prepared in advance for each parameter used for a compression encoding method on the basis of a judgment result of the music tone judging device; and an encoding device (10) for generating a spectrum signal out of the input audio signal and compression-encoding the generated spectrum signal on the basis of the selected characteristic. <IMAGE> |
