The NJU26108 is a digital signal processor that provides the function of Circle Surround II 5.1 / TruSurroundXT and Mono-to-Stereo. The NJU26108 processes the stereo matrix-encoded signal into spacious sound of 5.1 channels by Circle Surround II 5.1. Also non matrix-encoded audio signal can be processed into effective spacious sound. The decoded 2-channel signal can be converted into spacious 2-channel virtual surround output by the TruSurroundXT technology. The applications of NJU26108 are suitable for multi-channel products such as DVD Receivers, AV Amplifiers, TV, Car Audio or ordinary audio products such as small speakers system.