Re: FLASH: browser playback choppy when flash player open?

[Matt Wobensmith]

Hi Anna -


You wrote:


>i have noticed that playback in the browser of swf movies (rendering 

>speed) slows down dramatically

>when flash player is open at the same time.


>Has anyone else noticed this?


Absolutely. 


The best way I can explain it is that Flash movies require processor and

video card cycles to play. The more things on your system that are competing

for system resources, the slower the playback. I too have noticed exactly

what you described. In addition, other open programs (like my daily planner

program) can slow Flash movie playback noticeably. 


Vector processing requires system power, and any other things on your system

can take speed away from this. While Flash allows us to set "fps", it isn't

a true time-based program, but frame-based. Frame playback speed will vary,

sometimes widely, depending on system specifics.


FWIW, I have noticed this much more so on the Mac than the PC. Other system

factors (file sharing, virtual memory settings, system extensions) can also

affect Flash movie playback speed on the Mac.


A great TechNote on frame rate in Flash (thanks JD!) is here:


http://www.macromedia.com/support/general/ts/documents/sw_flash_speed.htm



Matt


---------------

Matt Wobensmith

Macromedia Tech Support

Flash Team Lead


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