| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sound processor capable of precisely determining the continuity of a musical sound and improving the accuracy of a separating sound by using the determination result.SOLUTION: A sound processor 1 includes: an amplitude value/cleanliness acquisition part 21 that acquires amplitude value of a fundamental tone and a harmonic tone, and the cleanliness from each flame of a target musical sound; a harmonic tone amplitude ratio calculation section 24 that calculates the harmonic tone amplitude ratio which is the ratio between a reference sound as a single tone the cleanliness of which is the highest in the fundamental tone and harmonic tones of the target musical sounds, and amplitude value relative to other tone; and a continuity determination section 25 determines the continuity of the target musical sound among the neighboring flames on the basis of the harmonic tone amplitude ratio.</p> |
