QDX by QDesign is the only digital audio format designed to be the ultimate in usability and quality. Consumers demand access to music anytime, anywhere -- seamlessly, over a variety of devices from desktops to portable players, from handhelds to cellular phones. Now QDX gives you more music at better quality with amazing ease. Encode in QDX just once at CD-quality, and the exclusive Fit-To-Media™ and Fit-To-Stream™ features provide total control automatically -- so you never have to worry about bit rates or sample rates to get what you want, where and when you want it.

QDX by QDesign's Fit-to-Media feature provides access to music anytime, anywhere. Seamless across a variety of devices, from portable players to personal digital assistants to cellular phones. Learn more about Fit-to-Media

QDX by QDesign's Dynamic Scaleability means that music producers are able to "master once, deliver everywhere" at the best possible quality over any network and over any bandwidth, streaming or download. Learn more about Fit-to-Stream