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<blockquote data-quote="Owlsroost" data-source="post: 850369" data-attributes="member: 83973">That's correct.&nbsp;disaster123 - if you run -&gt; <a href="http://www.entechtaiwan.com/util/moninfo.shtm" target="_blank">'Moninfo'</a>&lt;-&nbsp; it will read and display the EDID information from the TV. Somewhere in there it should say which audio formats it supports - if it only supports 2 channel PCM then that's all Windows will send it (so no AC3/DTS pass-through).&nbsp;If that's the situation, then the choices are:&nbsp;1. Buy a cheap PCI/USB sound card with AC3/DTS bitstreaming support.&nbsp;2. Use FFDShow audio 'mixer' to create a pseudo Dolby Pro-Logic 5.1-&gt;stereo downmix, and run the AVR in Dolby Pro-Logic decode mode. Not as good as true 5.1, but better than stereo <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />&nbsp;3. Do nothing and live with stereo only....&nbsp;Tony</blockquote>

[QUOTE="Owlsroost, post: 850369, member: 83973"] That's correct. disaster123 - if you run -> [URL='http://www.entechtaiwan.com/util/moninfo.shtm']'Moninfo'[/URL]<- it will read and display the EDID information from the TV. Somewhere in there it should say which audio formats it supports - if it only supports 2 channel PCM then that's all Windows will send it (so no AC3/DTS pass-through). If that's the situation, then the choices are: 1. Buy a cheap PCI/USB sound card with AC3/DTS bitstreaming support. 2. Use FFDShow audio 'mixer' to create a pseudo Dolby Pro-Logic 5.1->stereo downmix, and run the AVR in Dolby Pro-Logic decode mode. Not as good as true 5.1, but better than stereo :) 3. Do nothing and live with stereo only.... Tony [/QUOTE]

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