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MediaPortal 1
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Installation, configuration support
ASIO bit perfect playback throughout mediaportal? (Chaintech audio card)
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<blockquote data-quote="grubi" data-source="post: 169862" data-attributes="member: 52476"><p>Still fighting with the same probelm.</p><p>Any progress on your side?</p><p></p><p>Regards,</p><p>grubi</p><p></p><p></p><p></p><p></p><p>The first sign of getting mad is if you quote yourself and answer your own questions.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>However I will do this for reference, so that others having similar problems get on the right track.</p><p></p><p>If you have a C-Media 8738/8768 based soundcard and wantto output via spdif to you external receiver you could achive pitperfect playback also without ASIO. Simply install the alternate drivers from dogbert found at <a href="http://cmediadrivers.googlepages.com" target="_blank">http://cmediadrivers.googlepages.com</a> and you get bitperfect palyback. If you do not need support for any digital inputs on your card this is the preferred solution IMHO. The dirvers are opensource and are very reliable and they also support s-pdif 48 Khz passthrough for ac3/dts. Again thanks to dogbert for this great piece of software.</p><p></p><p>If you have a different soundcard where no ASIO driver is available you could try to install ASIO4ALL which is a generic ASIO driver which hooks onto you sounddriver and exposes a ASIO interface to 3rd party applications. You can find it at <a href="http://www.asio4all.com" target="_blank">http://www.asio4all.com</a>.</p><p></p><p>If you have a soundcard with ASIO driver simply install this one.</p><p></p><p>To check if you have bitperfect playback simply play a DTS Audio file sampled at 44.1 Khz. If you hear only noise it is not bitperfect.</p><p></p><p>Attention:</p><p>------------</p><p></p><p>To get bitperfect output you have to set the output level of the BASS enging to 100%. </p><p></p><p>During the fadein / fadeout period you will hear only noise on playback of a DTS audio file. After that output should be ok.</p><p></p><p>I found that when using ASIO and I changed some settings in MP-Setup I always had to reboot the pc, otherwise I got no sound at all.</p><p></p><p>HTH</p><p></p><p>grubi.</p></blockquote><p></p>
[QUOTE="grubi, post: 169862, member: 52476"] Still fighting with the same probelm. Any progress on your side? Regards, grubi The first sign of getting mad is if you quote yourself and answer your own questions.:D However I will do this for reference, so that others having similar problems get on the right track. If you have a C-Media 8738/8768 based soundcard and wantto output via spdif to you external receiver you could achive pitperfect playback also without ASIO. Simply install the alternate drivers from dogbert found at [url]http://cmediadrivers.googlepages.com[/url] and you get bitperfect palyback. If you do not need support for any digital inputs on your card this is the preferred solution IMHO. The dirvers are opensource and are very reliable and they also support s-pdif 48 Khz passthrough for ac3/dts. Again thanks to dogbert for this great piece of software. If you have a different soundcard where no ASIO driver is available you could try to install ASIO4ALL which is a generic ASIO driver which hooks onto you sounddriver and exposes a ASIO interface to 3rd party applications. You can find it at [url]http://www.asio4all.com[/url]. If you have a soundcard with ASIO driver simply install this one. To check if you have bitperfect playback simply play a DTS Audio file sampled at 44.1 Khz. If you hear only noise it is not bitperfect. Attention: ------------ To get bitperfect output you have to set the output level of the BASS enging to 100%. During the fadein / fadeout period you will hear only noise on playback of a DTS audio file. After that output should be ok. I found that when using ASIO and I changed some settings in MP-Setup I always had to reboot the pc, otherwise I got no sound at all. HTH grubi. [/QUOTE]
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