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New video format halves file size while maintaining quality

  • 19-08-2012 10:33pm
    #1
    Closed Accounts Posts: 1,455 ✭✭✭


    The Moving Picture Experts Group (MPEG) has met to issue a draft international standard of a new video-compression format that is twice as efficient as current standards.

    The meeting, held in Stockholm July 16-20, gathered almost 450 people from 26 countries representing the telecoms, computer, TV and consumer electronics industries to approve and issue a draft standard for High Efficiency Video Coding (HEVC). This format will enable compression levels roughly twice as high as the current H.264/AVC standard.


    "There's a lot of industry interest in this because it means you can halve the bit rate and still achieve the same visual quality, or double the number of television channels with the same bandwidth, which will have an enormous impact on the industry," says Per Fröjdh, Manager for Visual Technology at Ericsson Research, Group Function Technology, who organized the event as Chairman of the Swedish MPEG delegation.


    The availability of a new compression format to reduce bandwidth, particularly in mobile networks where spectrum is expensive, paves the way for service providers to launch more video services with the currently available spectrum.


    "Video accounts for the vast majority of all data sent over networks, and that proportion is increasing: by 2015, it is predicted to account for 90 percent of all network traffic," Fröjdh says.

    http://www.engadget.com/2012/08/15/mpeg-drafts-twice-as-efficient-h-265-video-standard/


Comments

  • Registered Users, Registered Users 2 Posts: 1,771 ✭✭✭Dude111


    One thing i always noticed about the MOV format is ITS CRYSTAL CLEAR no matter what bitrate it is!! (I use VLC to watch that format)


  • Closed Accounts Posts: 5,835 ✭✭✭Torqay


    Dude111 wrote: »
    One thing i always noticed about the MOV format is ITS CRYSTAL CLEAR no matter what bitrate it is!! (I use VLC to watch that format)

    MOV is not a video format, it's a (proprietary) media container.


  • Registered Users, Registered Users 2 Posts: 12,852 ✭✭✭✭Skerries


    Yes! more room for porn!


  • Registered Users, Registered Users 2 Posts: 13,295 ✭✭✭✭Duggy747


    Looking forward to seeing a 1080p video under that compression.


  • Registered Users, Registered Users 2 Posts: 36,170 ✭✭✭✭ED E


    Any idea on compression overheads? Wondering if this gens phones will be able to compress on the fly to it.


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  • Registered Users, Registered Users 2 Posts: 1,771 ✭✭✭Dude111


    Torqay wrote:
    MOV is not a video format, it's a (proprietary) media container.
    Hmm thank you i guess your right..

    1 time i watched a MOV stream with WMP9 (I forget now what the exact format was)


    Just thought of that now!


  • Posts: 0 [Deleted User]


    ED E wrote: »
    Any idea on compression overheads? Wondering if this gens phones will be able to compress on the fly to it.

    No, you'll need dedicated silicon to encode HEVC in real time on a phone.


  • Moderators, Technology & Internet Moderators Posts: 11,017 Mod ✭✭✭✭yoyo


    Dude111 wrote: »
    Hmm thank you i guess your right..

    1 time i watched a MOV stream with WMP9 (I forget now what the exact format was)


    Just thought of that now!

    MOV is an Apple Container, AVI is microsoft (I think?) and MKV/OGV are open source. Depending on the codecs used to encode the video/audio quality can range from average to excellent.
    Avis tranditionally tend to be encoded with Xvid, whereas Mkv is usually x264. There can be, however many different types of container/codec combinations.

    Nick


  • Registered Users, Registered Users 2 Posts: 36,170 ✭✭✭✭ED E


    No, you'll need dedicated silicon to encode HEVC in real time on a phone.

    Even a 1.5Ghz dual? :p It would be great for mobile work. Upping .264 on a 1-2 meg 3g connection isnt so slow, but it'd be nice(especially for dropbox and PB syncs).


  • Posts: 0 [Deleted User]


    ED E wrote: »
    Even a 1.5Ghz dual? :p It would be great for mobile work. Upping .264 on a 1-2 meg 3g connection isnt so slow, but it'd be nice(especially for dropbox and PB syncs).

    No, not on the fly. Sure, if somebody writes a software encoder then you can just leave it there for hours encoding at 2fps and eating all your battery.

    But no chance the current gen will encode in real time 30fps. The only reason they can encode H.264 is dedicated hardware encoders.


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  • Registered Users, Registered Users 2 Posts: 1,771 ✭✭✭Dude111


    yoyo wrote:
    MOV is an Apple Container, AVI is microsoft (I think?) and MKV/OGV are open source. Depending on the codecs used to encode the video/audio quality can range from average to excellent.
    Avis tranditionally tend to be encoded with Xvid, whereas Mkv is usually x264. There can be, however many different types of container/codec combinations.

    Nick
    Thank you Nick for your explaining of it :)


  • Registered Users, Registered Users 2 Posts: 37,485 ✭✭✭✭Khannie


    Any ideas when we'll start to see software encoders for it appear? I already love h/x264 to bits. I converted all my DVD's and stuck them up in the attic.


  • Posts: 0 [Deleted User]


    Khannie wrote: »
    Any ideas when we'll start to see software encoders for it appear? I already love h/x264 to bits. I converted all my DVD's and stuck them up in the attic.

    It'll be a couple of years before you can actually use it in any practical and stable way.

    You'll be able to test/play with it before then, in fact the reference encoder has been available all along.

    Commercial encoders will come first and im sure some members of x264 team will get involved eventually. There's a project online called x265 but it has nothing to do with x264 team.

    Also remember that x264 took quite a while to mature and in the early days it was often even less efficient than Xvid. The same will happen im sure, the early HEVC encoders won't be able to beat x264 on preset very slow.


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