Windows Media Audio Video 9 Series.ppt

Windows Media Audio Video 9 Series ??? ?? Technical Specialist Microsoft Korea WM Audio Video 9 Series Key Design Pillars WM Audio Video 9 SeriesNew family of codecs Windows Media Video 9 Windows Media Video 9 Professional Windows Media Video 9 Screen Windows Media Video 9 Image Windows Media Audio 9 Windows Media Audio 9 Professional Windows Media Audio 9 Lossless Windows Media Audio 9 Voice Windows Media Video 9 Windows Media Video 9  Video Smoothing (Frame Interpolation) Windows Media Video 9DEMO vs. QuickTime 6/MPEG-4 Video Smoothing Windows Media Video 9 Screen Windows Media Video 9 ScreenDEMO WMV 9 Screen WMA 9 Professional  WMA 9 ProfessionalDEMO WMA 9 Professional 192K WMA Pro 5.1 vs. 192K MP3 Windows Media Audio 9 Lossless  Windows Media Audio 9 Windows Media Audio 9 Voice WMA 9 VoiceDEMO WMA 9 Voice Windows Media Audio Video 9Summary Great video quality from low bit rates to HD 2x better than MPEG-4, 3x better than MPEG-2 Enhanced Screen codec Unique Video Smoothing Rich family of audio codecs with best quality in industry Multi-channel/high-res audio from 128-768 Kbps Improved WMA 9 backward compatible codec with VBR First “hybrid” speech/music codec Strong momentum in device space 130+ devices support WMA 30+ partners designing/porting WMV 9 encoders and decoders Questions? Backup Audio Video Compression: Industry Comparison Windows Media Audio Video 9 Device Strategy Windows Media Video 9 Image New codec which enables still images to be transformed into full screen video using pan and zoom effects Cross dissolve transitions can be added between clips Results can be delivered at data rates as low as 20kbps Compressed using either 1-pass CBR or VBR, they can be shared as they are much smaller than the original images Under Embargo until 6:00pm PDT 9/4/02 Best Audio Best Video Support for Embedded Devices Improve quality/efficiency Extend the family to multi-channel/high resolution audio New innovation in voice and music comp