LC83026E Datasheet (Sanyo Semicon Device)

LC83026E, Digital Signal Processor

Ordering number : EN5663 CMOS IC LC83026E Digital Signal Processor for Karaoke Systems Overview The LC83026E provides the audio signal processing required in karaoke systems, including pitch shift, microphone echo, voice muting, and simple surround simulation.

It is a special-purpose DSP that implements karaoke processing with the addition of a single external 256-Kb DRAM.

The LC83026E includes on-chip A/D and D/A converters and supports both digital and analog inputs and outputs.

Its functio

LC83026E Features

* Application features

* Pitch shift The LC83026E supports pitch shifting of ±15 quarter tone steps, or ±1 octave in scale tone units as specified by command data. This pitch shifting can be applied either to the music track or to the microphone input. It is also possible to set up p