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<blockquote data-quote="tourettes" data-source="post: 674733" data-attributes="member: 10858">Analog cannot be used for AC3 encoding. AC3 is digital output format. Or does this mean that you have coaxial SPDIF instead of the fiber cable? -&gt; <a href="http://en.wikipedia.org/wiki/S/PDIF" target="_blank">S/PDIF - Wikipedia, the free encyclopedia</a>If&nbsp; the connection was analog then using AC3 encoding makes MP audio renderer to reject the incoming formats since it cannot output those to WASAPI device (device will reject those). So, what has most likely happened is that directsound default audio renderer was used.Was this done in ffdshow or other audio codec settings? If yes this will also make MP audio renderer to reject the audio stream. It cannot operate on encoded streams like stated in the 1st post of this thread.This time most likely the audio renderer was correctly used (logs would help <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />). Again, the 1st post would have stated that the MP audio renderer is not currently providing volume control support (WASAPI exclusive mode disables all OS level volume control and there is no own implementation yet that would allow the volume level changes).I would recommend everyone to &quot;find a way&quot; to use the amp's remote to control the volume level since doing it on PC side will reduce the audio stream dynamics and ruins the audio quality (the lower the volume would be set the worser the audio quality would be - this is one of the reasons why I haven't kept any hurry with volume implementation, quality should come first).</blockquote>

[QUOTE="tourettes, post: 674733, member: 10858"] Analog cannot be used for AC3 encoding. AC3 is digital output format. Or does this mean that you have coaxial SPDIF instead of the fiber cable? -> [url=http://en.wikipedia.org/wiki/S/PDIF]S/PDIF - Wikipedia, the free encyclopedia[/url] If the connection was analog then using AC3 encoding makes MP audio renderer to reject the incoming formats since it cannot output those to WASAPI device (device will reject those). So, what has most likely happened is that directsound default audio renderer was used. Was this done in ffdshow or other audio codec settings? If yes this will also make MP audio renderer to reject the audio stream. It cannot operate on encoded streams like stated in the 1st post of this thread. This time most likely the audio renderer was correctly used (logs would help :)). Again, the 1st post would have stated that the MP audio renderer is not currently providing volume control support (WASAPI exclusive mode disables all OS level volume control and there is no own implementation yet that would allow the volume level changes). I would recommend everyone to "find a way" to use the amp's remote to control the volume level since doing it on PC side will reduce the audio stream dynamics and ruins the audio quality (the lower the volume would be set the worser the audio quality would be - this is one of the reasons why I haven't kept any hurry with volume implementation, quality should come first). [/QUOTE]

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