The CM101S+ is the world's first USB audio chip that supports Dolby Digital Live. This new chip design can provide a wide range of features and high quality sound for portable USB audio product applications. It is a highly integrated single chip for USB stereo audio and SPDIF output application. Minimum external components are needed for building an USB audio system, which makes CM101S+ a simple and very cost-effective solution.

CM101S+ is design for all kind of PC base USB personal multi-media device products. It is USB 2.0 full speed compatible and utilizes USB bus power for plug-and-play feature. Via C-Media Xear 3D Sound USB audio driver, users can avail themselves of a much better virtual 7.1 CH environment capable. For high-end multi-media application, this light and portable personal audio device can easy to processing any sound source to Dolby Digital AC-3 raw data by real-time encoding function. The world first innovation software function to grade up every PC system and output high quality digital sound effects for link up with high-end home theater equipments like amplifier, DVD player or decoder etc.

This special feature is Dolby Digital Live function modules. As we know, Dolby Digital is the world well-known sound technology brand and generality using on consumer electronics. Therefore, if PC products need to be home theater equipment or media center this would be key feature and selling point for product development. These functions not only provide easy bridge to connect PCs and consumer electronics but also adding value and upgrade sound quality to PC products. In the future, PCs can put on Dolby logo on it and provide advanced sound quality to end-user. All of modules were implemented by C-Media in software technology and anyone can request these features by license from Dolby Lab. through C-Media.