YSS915 (KP2V2) is an LSI For processing Karaoke voice signals.
This LSI has an A/D converter (1 channel) For the microphone echo, and a memory For the microphone echo and
key control. These features allow achieving the functions needed For the Karaoke system by using only one LSI
chip. As For the microphone echoes, many other types of echoes are available in addition to ordinary ones so that
YSS915 is applicable to various uses.
In addition to these Karaoke programs, YSS915 is able to provide the Movie & Music programs, with which the
surround effect is applied to the movie and music sources For giving the users more enjoyment.
YSS915 is pin compatible with and register compatible with YSS903 (KP2V).
Writing an Input Module
The sample module introduced here is called idiom (Input Device For Intercepting Output of Mice), The sample module registers itself with the USB kernel subsystem as a mouse driver and with the input management subsystem as a keyboard driver. idiom translates mouse movement events into keyboard input events: it reports arrow events to the input system according to how the physical mouse is moved.