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Thread: Hardware requirements for transcoding 25 channels

  1. Default Hardware requirements for transcoding 25 channels

    I know there are several forum posts and articles about this subject, but I need some help in making a correct calculation. We've got 25 incoming channels with bitrates that vary from 10 to 30 Mbps. We'll need transcoding and transrating to 3 (h.264) streams per channel, approx. 2500, 1500, 800Kbps. I don't think there's any server who can handle this on its own, but how many servers would we need and what specs?

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    Have you seen this Transcoder Performance Benchmark article?

    http://www.wowza.com/forums/content....ance-Benchmark

    This can give you at least a rough idea by comparison.

    Richard

  3. Default

    Yes I've read that document, but 26 x 30Mbps is quite different than 10 x 3Mbps. Now I'm thinking of a hardware transcoder rather than letting Wowza do the transcoding; does that sound like a better solution to you too?

  4. Default

    did you found any answer? wowza only provide a benchmark and always refer to it. i had setup a system as follow and only can transcode 6 mpeg2 stream to 12 h264. however according wowza benchmark it must transcode 6 to 24. I tried all performance tuning. when i set the 6 to 24, cpu and gpu usage drop down to 10-20% and only audio can play back.
    os: windows 2008 r2
    ram: 8 gb
    cpu: core i7 2600k 4 core/8 thread
    gpu: gtx 680
    use cuda transcoding
    please share any experiences.

    Quote Originally Posted by karelboek View Post
    Yes I've read that document, but 26 x 30Mbps is quite different than 10 x 3Mbps. Now I'm thinking of a hardware transcoder rather than letting Wowza do the transcoding; does that sound like a better solution to you too?

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