Zune is the name of both services that obtain and share the media content and a brand of Portable Media Player developed by Microsoft like iPod of Apple Inc.

Xbox is a video game console competing intensely with the Nintendo GameCube/Wii or Sony's PlayStation/(PS2/PS3).Microsoft has published versions Xenon, Xbox 2, Xbox FS, Xbox Next, or NextBox, XBOX 360 (HD resolution, high-definition).

You may play mpeg-1 on Zune or Xbox directly or convert it to wmv first on PC. Please first install a DVD player based on Microsoft DirectShow technology on your Windows if the mpeg file is compressed with mpeg-1.1 or 2.0 standard. If the mpeg is 1.0 version, Windows has included  the decoder, nothing extra codec is needed. VISTA has bundled MPEG1.1/2.0 decoder.

Download Zune Xbox Converter to convert mpeg to Zune/Xbox. Then use USB or networks to transfer the wmv file. Or burn the files to CD/DVD, play disks on Xbox easily.

MPEG-2 is one of the formal international standard of active image and sound coding developed by MPEG (Moving Picture Exports Group) in 1994. It consists of 9 standards itself ,and has many distinguished features such as: high transfer rate and resolution, broadcast-like video and CD-like audio, many ways of surround channels and audio channels, etc. Besides, it provides broader scope of changing compression ratio. With those characters, MPEG-2 is adapted to HDTV which thus makes MPEG-3 discarded before its birth.