| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable users of terminals with a call function to follow call voice while hearing sound of a moving image. <P>SOLUTION: A sound switching device comprises: reproduction means for reproducing recorded data with sound; call means for calling another terminal device having a call function; and sound switch control means for, on receiving a call priority request signal from the other terminal device receiving and reproducing the recorded data with sound while the reproduction means of the own device is reproducing the recorded data with sound, causing the reproduction means to reduce reproduction sound or the call means to increase call sound. <P>COPYRIGHT: (C)2012,JPO&INPIT |
