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May 24, 2006
Question

FMS - video optimization

  • May 24, 2006
  • 1 reply
  • 319 views
Hello,

I'm currently writing an application which going to broadcast LIVE video from about 30-40 broadcaster.
The application is going to use FMS v2 as the streaming server.
Each broadcaster has about 96Kbps Upload connection to the internet.
the system will have 1000-5000 users (that will watch the streaming).
The user can watch only 1 stream at a time.
I understand that the default codec that is used in live broadcasting is Sorenson. I heard that there is a newer codec that is called Vp6.
The client is getting a 530px x 530px window.

Now:
1. is there a way i can use Vp6 to optimize the video?
2. How can i optimize the video to get the best video expirience?
3. Is the 96kbps enough for that video size (530x530 px)?

I'll be glad to get any tip that will help me optimize my video.

Thanks.
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    1 reply

    Hasan Otuome
    Hasan Otuome
    Participating Frequently
    May 25, 2006
    VP6 - Flash 8 Video Encoder has it but it's only single-pass. For 2-pass, you can use the VP6 Pro Plugin with Squeeze or On2 Flix Pro. Either of those will work.

    Best experience - probably MBR encoding and some bandwidth detection (most work though)

    96Kbps enough? - If you're asking about bandwidth requirements, here's the math for it:

    Kbps (encoded data rate) x MaxUsers = Kbps of bandwidth req'd

    So, say you encoded your FLVs @ 300kbps and you anticipate as many as 5000 users then you'd need 1,500,000 Kbps of bandwidth or 1.5Gbps.

    HTH...

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