| 摘要 |
<p>PURPOSE: A background music offer between calls using a sound source algorithm is provided to produce new mood by supplying the background music on a line by using the sound source algorithm. CONSTITUTION: A background music is offered by a transmitter and a receiver by using a radio link network in a mobile switching center. The background music uses the sound source algorithm included in the mobile switching center. The discriminative sound source is offered from each other.</p> |
