| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase a stereo feeling of music and sounds provided with a sound effect, and make audiences clearly listen to sounds from a sounder without deteriorating a sound quality and localization, when the sound from the sounder and the sound obtained by providing a spatial sound effect to the sound from the sounder are released together with the music from a loudspeaker device using a technique for expanding a sound image localization range. <P>SOLUTION: A loudspeaker device 1 in an embodiment of the present invention supplies an audio signal subject to signal processing for giving a sound effect and a sound image expansion effect of a stereo effect to a monophonic audio signal (musical instrument sound) inputted from a monophonic input terminal, an audio signal not subject to signal processing for giving the sound image expansion effect, and an audio signal subject to signal processing for giving the sound image expansion effect to a stereo audio signal (music sound) inputted from a stereo input terminal to speaker units 2L, 2R for releasing sounds. <P>COPYRIGHT: (C)2013,JPO&INPIT |
