Nitrogen D2

USB Audio With Dolby Digital Live and DTS Interactive Solution

Date: 09/25/2005

Version: 1.02

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1.DESCRIPTIONS AND OVERVIEW

Nitrogen D2 is the world first USB audio chip that with Dolby Digital Live and dts Interactive

sounds technology supporting. This new chip design can provided more efficiency features

and high quality sound for portable USB audio products application. 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 Nitrogen D2 a

simple and very cost-effective solution.

Nitrogen D2 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 and dts 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 and

dts (Digital Theater System) are the world well-known sound technology brands 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 Digital and dts 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. and DTS Corporate. through

C-Media.

Moreover, the innovation technology DRC feature was integrated on Nitrogen D2. This

Dynamic Range Control function can support high efficiency volume output to get loudness

sound effect similar D class amplifier capability. Vender can just using single chip to saving

external amplifier component and getting a better listen experience when listen to a music

source with wide dynamic range.