those offered by unlimited download services, including MTV's URGE, Napster, Rhapsody, Yahoo! Music Unlimited, and Virgin Digital. Windows Media DRM, a component of PlaysForSure and Windows Media Connect, is supported on many modern portable audio devices and streaming media clients such as Roku, SoundBridge, Xbox 360, and Wii. Players that support the WMA format but not Windows Media DRM cannot play DRM-protected files. See also Windows Media Video – a video file format and codec developed by Microsoft WAV JPEG XR / HD Photo – an image file format and codec developed by Microsoft Surround sound Timeline of audio formats Comparison of audio coding formats References External links Windows Media homepage at Microsoft Audio codecs Audio file formats Microsoft proprietary codecs Windows audio