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<blockquote data-quote="mrmojo666" data-source="post: 609561" data-attributes="member: 18095">Hi tourettes, before you told me you don't need the HPET because Mp have to manage to work with two video and audio clocks......... now you wrote the EVR is using Pc clock as reference clock.....in addiction to that, you wrote: Windows is not a real time OS, so the timers aren't always firing on the exact moment when they should ........&nbsp; reading Hpet definition seems that very very precise in firing at the exact moment...... as you can read there :<a href="http://www.microsoft.com/whdc/system/sysinternals/mm-timer.mspx" target="_blank">http://www.microsoft.com/whdc/system/sysinternals/mm-timer.mspx</a>&quot;To get tolerable multimedia performance on a system with current timing hardware, developers have had to develop tricks and techniques, such as large playback buffers and busy waiting, which sacrifice performance and quality to hide the shortcomings of the timing hardware. Because of these tricks and techniques, multimedia applications on a general purpose system with the current timing hardware will never be able to achieve the high quality performance and high level of responsiveness that consumers demand from dedicated units.&quot;So please would you take a look to this article and think about it ?As i told you i'm not an expert, but when i read those kind of articles they seem&nbsp; talking about our sync problems.bye</blockquote>

[QUOTE="mrmojo666, post: 609561, member: 18095"] Hi tourettes, before you told me you don't need the HPET because Mp have to manage to work with two video and audio clocks......... now you wrote the EVR is using Pc clock as reference clock..... in addiction to that, you wrote: Windows is not a real time OS, so the timers aren't always firing on the exact moment when they should ........ reading Hpet definition seems that very very precise in firing at the exact moment...... as you can read there : [url]http://www.microsoft.com/whdc/system/sysinternals/mm-timer.mspx[/url] "To get tolerable multimedia performance on a system with current timing hardware, developers have had to develop tricks and techniques, such as large playback buffers and busy waiting, which sacrifice performance and quality to hide the shortcomings of the timing hardware. Because of these tricks and techniques, multimedia applications on a general purpose system with the current timing hardware will never be able to achieve the high quality performance and high level of responsiveness that consumers demand from dedicated units." So please would you take a look to this article and think about it ? As i told you i'm not an expert, but when i read those kind of articles they seem talking about our sync problems. bye [/QUOTE]

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