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HD jerky / choppy

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  • Message 1. Posted by ib (U14762905) on Monday, 24th January 2011 permalink

    I'm now on my 2nd new computer (dell zino with Phenom triple core anD 1gb dedicated graphics) in an attempt to get properly smooth iplayer HD, this is better then the Acer Revo but still not good enough. Everything else (Windows media player, blu ray, etc.) is absolutely fine, as it was on the revo.

    What kind of spec do you need so that you get no dropped frames at all? Why is iplayer HD so, so much more demanding than all other technologies to the point that it won't run on a decent new media computer? This seems ridiculous!

    Strangly, iplayer HD plays perfectly on my new LG telly (but I can't record programs on that or play back on the projector).

    I see many people complaining about this but no explanation / plan from BBC, even in their FAQs. It would be great to get some proper information about this from the BBC (or anyone!)

    complain

  • Message 2. Posted by jwsg (U14223122) on Monday, 24th January 2011 permalink

    It's easier to understand CUDA programming than iPlayer's deep silence on their logic in finally enabling GPU acceleration last summer only to take it away at the beginning of December.

    The Adobe software (CPU) decoder is equally infamous - for its inefficiency - but the ION on the Revo is just fine for accelerated HD.

    The TV/Blu-ray/Set-top-box manufacturers are motivated to get HD working, and those devices seem to have enough grunt (a BD machine has to decode 30Mb/s by default) whereas Adobe aren't interested in iPlayer work-arounds just for us.

    complain

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  • Message 3. Posted by Stuparod (U14683216) on Tuesday, 25th January 2011 permalink

    Ah, so its only the HD downloads that do this jerky dropped frames thing - that may have answered my question..
    Jerky nature programmes just don't cut it - by HD isn't an easy option in darkest Devon, with farmers band low bandwidth..

    complain

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  • Message 4. Posted by jwsg (U14223122) on Tuesday, 25th January 2011 permalink

    Well streaming and downloads are pretty similar in terms of h/w requirements.

    Streaming got acceleration first and then downloads which use Air not Flash towards the end of last year just in time for it to be snatched away from us. In fact SD at 1.5Mb/s benefits from accel too - I'm having a strange prob with a d/l of When Bob Met Harvey just now.

    Your point about these various devices not supporting d/ls is a very good one. Only a PC can avoid me having to shell out 300 for a HD PVR when we in darkest southeast go HD this year.

    Also d/ls aren't affected by link bandwidth. And d/ls last a month. So actually they're well worth sorting out please BBC!

    complain

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  • Message 5. Posted by goodbyeradio1 (U14757178) on Sunday, 6th February 2011 permalink

    I've had this problem for many many months. Those in low bandwidth areas have to use downloads but HD just won't work on most PCs (even high end ones). I've moved to a higher BW area but the HD streaming is no better because the HW accelaration still isn't used.

    So why do the BBC ignore this problem? Perhaps because their main revenue stream comes from an enforceable licence fee rather than customers that have an option to pay or not as with other service providers.

    complain

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  • Message 6. Posted by ssid (U14798947) on Monday, 28th February 2011 permalink

    Hi All

    Just to say that I have a new ion / atom pc. Streamed You Tube 1080P works perfectly whereas iPlayer HD is very choppy indeed. It would be great if thee BBC could sort this out.

    Thanks

    complain

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  • Message 7. Posted by Fred (U14543309) on Monday, 28th February 2011 permalink

    you are not alone - www.bbc.co.uk/dna/mb...

    I'd suggest everyone hits the 'contact us' web form - https://iplayerhelp.external.bbc.co.uk/templates/bbciplayer/emailForms/emailPage - and sticks in a "poor support" COMPLAINT linking to one or more of these HD posts as examples.

    I've tried reporting the HD fault as a technical problem, and got nowhere.

    complain

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