Neowin reports: Building on the industry-leading Windows Media Audio and Video odecs, 'Corona' introduces two new professional-level audio and video codecs. The new WMA Professional codec is the first codec to enable Web-based delivery of 6 channel surround sound with full-spectrum, full resolution audio (24 bit / 96 kHz sampling). the new version of the Windows Media Video (WMV) codec provides a 20% efficiency boost compared with the previous version and now introduces the ability to provide HDTV-like video quality at file sizes half that of today?s DVDs, for local playback on the PC.

Download: Windows Media Player 9 Build 261