The Windows Media Audio 9 codec delivers superior quality at a fraction of the bit rate compared to MP3. Listen to the audio files in the demo to hear why Windows Media is the leader in digital media quality. You will need a broadband connection to experience this demo. Play Demo
Windows Media Audio 9 Professional and Surround Sound
Hear for yourself how Windows Media Audio 9 Professional enables you to immerse yourself in 5.1-channel surround sound at the same bit rate as stereo MP3 files. You will need a broadband connection and a system capable of playing back multichannel audio. Play Demo
Combined Voice and Music Content with Windows Media Audio 9 Voice
Until now, low-bit-rate codecs have been optimized for either music content or voice content, but not both. The Windows Media Audio 9 Voice codec is the first-ever mixed-mode voice and music codec. It delivers a much improved experience for content such as radio broadcasts, advertising, e-books, or voiceovers. This demo compares today's most common voice codec with the Windows Media Audio 9 Voice codec at 8 Kbps. Try it now to hear the difference. Play Demo
Backward compatibility: The Windows Media Audio and Video 9 Series codecs are automatically downloaded by Windows Media Player 7.1 and Windows Media Player for Windows XP, but to get the ultimate experience, you should download Windows Media Player 9 Series or later for playing content and Windows Media Encoder 9 Series for creating new content.
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