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M
mrwizzer2
Inspiring
April 9, 2012
Question

Suggested Bit Rates for Multi-Bitrate Streaming?

  • April 9, 2012
  • 2 replies
  • 3499 views

A couple of years back, when we started using Flash Media Server, we established a company policy of exporting all videos at 75, 150 and 400 kbps in the hopes of making sure our Flash videos were broadly accessible to users connecting at varying connection speeds. 

Now that Broadband has become more commonplace in the years since, I'm wondering if anyone has a tried and true suggestion for which bit rates to make available these days to make sure users get the best experience they can.

Is topping out at 400kbps too low by today's standards?  (I'm guessing it may be a bit conservative these days).

Any suggestions are appreciated.

Mike

This topic has been closed for replies.

2 replies

S
seblbuk
Known Participant
February 15, 2013

Hi - in answer to the original question we have a global netwrok and that team gaev us a limit of 360Kbps so we transocode to 104, 240 and 360 currently at a resolution of 640x360 and that seems to be fine for the current use case. We are moving to http streaming away from rtmpe so we may up the limit as the global cache servers will help out.

Externally if we start using an external CDN we will create renditions up to 1000Kbps

M
mrwizzer2Author
Inspiring
April 12, 2012

*Bump*  Anyone?

Bueller, Bueller?

S
Adobe Employee
Shiraz Anwar
Adobe Employee
April 13, 2012

Hello MrWizzer

I am not sure what FMS version you are currently using.

Well, if you look at the sampe vod folder that ships with FMS4.5, it has files encoded @ 150kbps, 500 kbps, 700 kbps, 1000 kbps, 1500 kbps.

I am sure that all of these files stream perfectly fine given the correct bandwidth environment.

Its totally depend upon the FMS hosting service provider depending upon the user base of a particular provider.

You need to judge what kind of BW is available to your viewers and put the files encoded at appropriate bitrates.

You may also look at http://www.adobe.com/devnet/flashmediaserver/articles/beginning-fms45-pt06.html for refrences.

Regards,

Shiraz Anwar

M
mrwizzer2Author
Inspiring
April 16, 2012

I appreciate you response, Zarihs.  It looks like we've been undestimating people's bandwidth capabilities. 

From your experience, do these bitrates (starting at a low of 150kbps and going way on up to 1500kbps), seem to be good ballparks in the real world?

Thanks for your help.

Mike

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