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<blockquote data-quote="AberDino" data-source="post: 308721" data-attributes="member: 11575"><p>Rather than using ATI's CCC for switching refresh rates, I decided to give PowerStrip a try. In order to get the right timing strings for PowerStrip, I used a combination of ATI's CCC and Powerstrip, such that for each refresh rate I was able to copy the timing string for use with the refresh rate changer plugin. Then did a test, and all the refresh rate switching is done perfectly well, and as stated earlier in this thread, the switching is much smoother because a device reset is not required. However, the issue with PowerStrip is that I don't have sound when I switch from 50Hz to 24Hz. Also, if I switch to 24Hz using ATI's CCC, and then to 50Hz using PowerStrip, the sound is played at a much higher pitch. Just to clarify, I am using the 3450's onboard audio in combination with the DVI to HDMI dongle, connected to my lcd tv. I had a look on the PowerStrip forum, and found this topic: <a href="http://forums.entechtaiwan.net/viewtopic.php?t=6472" target="_blank">EnTech Taiwan :: View topic - ATI 4850 custom resolution works but loses HDMI sound</a>, which seems to be the issue I'm experiencing. Unfortunately using my motherboard's sound card isn't a solution, because of the processing delay on my lcd TV, which would mean the audio and video would be out of sync. I did find a <a href="http://www.gefen.com/kvm/dproduct.jsp?prod_id=3570" target="_blank">DVI Audio to HDMI adapter</a>, but it is rather costly! So, it seems I'm stuck with ATI's CCC, unless somebody has a solution for the PowerStrip sound issue?</p></blockquote><p></p>

[QUOTE="AberDino, post: 308721, member: 11575"] Rather than using ATI's CCC for switching refresh rates, I decided to give PowerStrip a try. In order to get the right timing strings for PowerStrip, I used a combination of ATI's CCC and Powerstrip, such that for each refresh rate I was able to copy the timing string for use with the refresh rate changer plugin. Then did a test, and all the refresh rate switching is done perfectly well, and as stated earlier in this thread, the switching is much smoother because a device reset is not required. However, the issue with PowerStrip is that I don't have sound when I switch from 50Hz to 24Hz. Also, if I switch to 24Hz using ATI's CCC, and then to 50Hz using PowerStrip, the sound is played at a much higher pitch. Just to clarify, I am using the 3450's onboard audio in combination with the DVI to HDMI dongle, connected to my lcd tv. I had a look on the PowerStrip forum, and found this topic: [url=http://forums.entechtaiwan.net/viewtopic.php?t=6472]EnTech Taiwan :: View topic - ATI 4850 custom resolution works but loses HDMI sound[/url], which seems to be the issue I'm experiencing. Unfortunately using my motherboard's sound card isn't a solution, because of the processing delay on my lcd TV, which would mean the audio and video would be out of sync. I did find a [URL="http://www.gefen.com/kvm/dproduct.jsp?prod_id=3570"]DVI Audio to HDMI adapter[/URL], but it is rather costly! So, it seems I'm stuck with ATI's CCC, unless somebody has a solution for the PowerStrip sound issue? [/QUOTE]

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