Re: jitter in video playback

On Tue, 8 Nov 2005 14:31:02 -0800, "Peter"
<Peter@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

>Hi,
>
>I am experiencing a lot of jittering when I try video playback from a
>website. I have DSL connection. The media player is embedded in a webpage. I
>am wondering if it has anything to do with something like buffer size.

Buffering time and quality management can be modified in the web page,
though if it's not yours you're unlikely to get a resolution on that.

In reality the quality of the video delivery depends on a lot of
things. Of course, the first thing to check is if there's a mismatch
between the video bitrate (say 1500kbps) and your DSL speed (say
750kbps) then you'll get buffering.

There may also be a problem at their end, that their server can't keep
up with the number of simultaneous viewers, that'd involve investment
on their end and again is out of control.

Finally, you can expect that somewhere between you and their server
there's a bottleneck. Data moving over the web will pass through
several 3rd party routers before it gets to you, and any one of those
could be dropping a significant number of data packet.

Retransmission can cause this if the packet dropping is too high.
There's pretty much zero chance of you being able to get that effect
fixed !

> Can anybody share some experience on this?
>
>Regards,
>
>Peter

.

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