The TC9444F is a karaoke chip for such applications as equipment for CD/LD players, mini component stereo sets, radio-cassette players, and VTRs. With its internal AD/DA converter system, the TC9444F can offer such karaoke functions as echo, vocal canceling, and key control on a single chip in addition to such digital signal processing (DSP) features as sound field control and bass/treble control.