Patent ID: 6944287

Claim:
A portable terminal, comprising: a stereo headphone microphone unit including first and second electroacoustic conversion means for converting an electric signal into sound and a microphone disposed in the proximity of said second electroacoustic conversion means; sound data storage means for storing at least part of sound data of music or the like; sound data playback means for reading out the sound data from said sound data storage means and outputting the sound data; stereo amplification means for amplifying the sound data outputted from said sound data playback means and supplying the amplified sound data to said first and second electroacoustic conversion means of said stereo headphone microphone unit so that sound may be outputted in stereo from said first and second electroacoustic conversion means; call termination detection means for detecting termination of a call; playback temporary stopping means for temporarily stopping, if the sound data is being played back by said sound data playback means at a point of time when said call termination detection means detects termination of a call, the playback of the sound data; and control means for disabling an output of said stereo amplification means which corresponds to said second electroacoustic conversion means of said stereo headphone microphone unit but enabling telephone conversation by means of said first electroacoustic conversion means and said microphone at a point of time when said call termination detection means detects termination of a call.