| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system capable of generating emphasized sound from an electrical signal at a reasonable cost, in particular, a system in which spatial expansion propertyof sound is enhanced. <P>SOLUTION: A sound player method and apparatus utilizes both speakers 186 and 187, which are driven simultaneously, and a piston-type speaker over frequency ranges, at least partially overlapped for emphasizing spatial wideness of sound to be generated. This apparatus includes monophonic, stereophonic and multi-channel sound player reproducing system and an electroacoustic device, such as, a digital piano. <P>COPYRIGHT: (C)2009,JPO&INPIT |
