Audio Codecs?

Discussion in 'Microsoft Surface General Discussion' started by MSurfaceWA, Nov 8, 2012.

  1. MSurfaceWA

    MSurfaceWA New Member

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    Hi, does anyone know the types of audio codecs(?) or files the Surface will play? I can't find it in the specs. If I load a movie with the right video parameters, but the audio is encoded in AC3, is the surface able to play that audio? Anyone tried this? It would be nice to be able to load the same movies I use for home use on the surface, which generally use AC3 audio.

    Thanks,
    MSWA
     
  2. J515OP

    J515OP Super Moderator

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    Building a rich and extensible media platform - Building Windows 8 - Site Home - MSDN Blogs

    Video and audio support for Metro style apps

    Our main goal for native media format support for Metro style apps was to ensure users and app developers could count on a consistently great playback experience across a wide variety of PC form factors, with modern formats used in mainstream scenarios such as:

    HTML5-based entertainment on the web
    Home movies captured using popular smartphones, point-and-shoot cameras, or AVC-HD cameras
    Streaming music, movies, and TV shows from popular services
    The tables below show the video and audio formats that have built-in support for Metro style apps. Formats recommended for use by Metro style apps are a reflection of deep partnerships with hardware manufacturers for predictable hardware acceleration across PC form factors and predictable end-to-end scenario performance beyond playback such as capture, streaming, and transcoding.

    0880.Media_2D00_file_2D00_and_2D00_stream_2D00_formats_5F00_526D9BCD.png

    Windows 8 has excellent support for MPEG-4, most typically comprised of H.264 video and AAC audio. Several popular codecs, including Divx and Xvid, implement the MPEG-4 Part 2 standard, so many of these files play great in Metro style apps. The same is true for modern MOV files, which are based on the MPEG-4 Part 12 standard, such as videos captured on iOS devices. Fragmented MPEG-4 and 2K/4K resolutions are now possible. We have previously talked about MPEG-2 and DVD playback, which is available in Windows 8 Media Center.

    During the development of Windows 7 we talked quite a bit about CODEC support natively in Windows and the formats available through extensibility. Since then, the environment around CODECs has consistently moved towards a smaller set of well-defined and broadly-supported formats, particularly h.264 for video. Due to factors such as intellectual property and hardware support, this makes a great deal of sense. Even browsers are making this transition with HTML5. But we also recognize that some individuals have preferred formats for a variety of reasons, and we wanted to make sure Windows 8 app developers could choose to use the formats they prefer. Formats popular among the enthusiast community or with specific developers such as FLAC, MKV, and OGG, can have their own CODECs packaged as part of a Metro style app, since the Windows 8 media platform is highly extensible.
     
  3. J515OP

    J515OP Super Moderator

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    Presumably there is a lot of support in Windows but it needs to be implemented through apps. I am not sure what MS chose to support by default.
     
  4. MSurfaceWA

    MSurfaceWA New Member

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    Thanks for the info above. I guess I should have specified - when playing a video file through the Surface video player, does it support Audio encoded in AC3? A lot of my videos are encoded in AC3 audio for home use, so it would be helpful if I didn't have to re-encode it in another format. I'm picking up a surface today (confirmed I can try it out for 14 days) so I will load a video and find out and let you guys know.

    Thanks,
    MSWA
     
  5. MSurfaceWA

    MSurfaceWA New Member

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    I can confirm that the Surface plays AC3 audio, I transferred a movie with AC3 audio and it worked, very cool! I have tried this on an iPad and several Android tabs and it never worked. Nice.
     

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