However, an increasing number of broadcasters are using AAC to stream music through the Web, which Silverlight will be able to play. Transmitters and receivers 3G SDI I / O H.264 up to 50 Mbps. Silverlight 3 will not be able to play those stored songs, Sklepowich said, partly because Apple adds its own digital rights management technology called Fairplay to prevent non-iTunes programs from playing them, and partly because Silverlight is meant only for streaming content. Video encoder wireless Teradek to handle video streams with zero delay at distances up to 600 meters. WMA is the most popular format for streaming today.ĪAC is best known as the default audio format used by Apple Inc.'s iTunes, iPod and iPhone to store music files on devices and PCs.
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In addition to supporting MP3 and Windows Media Audio (WMA) streaming, Silverlight 3 will enable users to listen to streamed music in AAC formats.
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Video delivered from Adobe's Flash Media Server software using its proprietary RTMP protocol won't play, he said. f4v streamed video if it is delivered from Web servers using the standard HTTP protocol, Sklepowich said. The other caveat on video is that Silverlight will only be able to view. Microsoft plans to show off an early preview of Silverlight 3 at the International Broadcasting Conference (IBC) 2008 in Amsterdam later this week, according to Scott Guthrie, corporate vice president of Microsoft's Developer Division.Ī beta of Silverlight 3 is expected soon after Silverlight 2 ships this fall, Sklepowich said. The players, in addition to showing HD video, also offer features such as picture-in-picture, multiple views, and ticking data, Sklepowich said. Microsoft was motivated to support H.264 because it is becoming "the next-generation standard," said Sklepowich, with HD digital broadcasters such as DirecTV and Dish Network using H.264.Īdding H.264 support will cut work for broadcasters who previously would have had to do the time-consuming work of re-encoding their video in VC-1 to support Silverlight, he said.Īnd that should encourage more of them to stream video using Silverlight, as well as build special Silverlight-based players such as the ones specially created for and the Democratic National Convention. Adobe says that last year 70% of Web video was streamed via Flash's. Microsoft had long resisted calls to make its Silverlight player more compatible with Adobe's. Related Story NBC scored Olympic gold with Silverlight but online ads failed to place (Silverlight today plays streamed video in the. swf files, which can be downloaded and played by Flash offline.
flv files.Īdobe has since updated its Flash 9 player to play HD H.264 video files, which are stored temporarily as. Such files are streamed to Web browsers, which cache them as. VC-1 enabled true DVD-quality streaming video that is much higher quality than the Flash video on sites such as YouTube, where most of the videos are still encoded in the H.263 codec. When Microsoft first released Silverlight last fall, to compete with Flash, it required broadcasters to encode video in the VC-1 codec, a now-open standard for HD DVDs and Blu-ray Discs based on Windows Media formats.
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