摘要 |
<p>A sound processing apparatus processes a first sound signal and a second sound signal. The sound processing apparatus includes a first adjustor which adjusts a volume of the first sound signal, a second adjustor which adjusts a volume of the second sound signal, and a control unit which causes the first adjustor and the second adjustor to adjust the first sound signal gradually changed over a first gradually-change time and the second sound signal gradually changed over a second gradually-change time, wherein the second gradually-change time is shorter than and included in the first gradually-change time.</p> |