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<blockquote data-quote="HTPCSourcer" data-source="post: 325182" data-attributes="member: 74879">Some new results: I tried to play with the settings to get bit-perfect audio signals on the S/PDIF output, however, the MPA decoder settings and behavior are real weird.<ol>
<li data-xf-list-type="ol">Setting DTS to S/PDIF has absolutely no effect on how DVDs are played on my system. Although the receiver shows &quot;Dolby Digital&quot; when playing trailers and &quot;DTS&quot; for the movie, I get absolutely no sound. --&gt; TV sound is OK with these settings</li>
<li data-xf-list-type="ol">Additionally setting AC3 to S/PDIF surprisingly gives the expected DVD behavior, DD and DTS are shown and sound is played nicely in both cases. --&gt; AC3 sound from TV is no longer played, all I get is hissing.</li>
<li data-xf-list-type="ol">I can get TV sound to behave properly by using the 3rd Party &quot;AC3Filter&quot; in the TV settings as the audio codec. Punching sound through directly to S/PDIF then works.</li>
</ol>Although I am sure that there is some good explanation for all these phenomena, it still appears a little bit alchemistic to me. At least I seem to have a way of getting the bit-perfect result, although it is not the originally desired one. I will certainly need to do more testing and to reconfigure the remote to control the receiver volume rather than MP/Windows.Regards, HTPC_Sourcer</blockquote>

[QUOTE="HTPCSourcer, post: 325182, member: 74879"] Some new results: I tried to play with the settings to get bit-perfect audio signals on the S/PDIF output, however, the MPA decoder settings and behavior are real weird. [LIST=1] [*]Setting DTS to S/PDIF has absolutely no effect on how DVDs are played on my system. Although the receiver shows "Dolby Digital" when playing trailers and "DTS" for the movie, I get absolutely no sound. --> [U]TV sound is OK [/U]with these settings [*]Additionally setting AC3 to S/PDIF surprisingly gives the expected DVD behavior, DD and DTS are shown and sound is played nicely in both cases. --> [U]AC3 sound from TV is no longer played[/U], all I get is hissing. [*]I can get TV sound to behave properly by using the 3rd Party "AC3Filter" in the TV settings as the audio codec. Punching sound through directly to S/PDIF then works. [/LIST] Although I am sure that there is some good explanation for all these phenomena, it still appears a little bit alchemistic to me. At least I seem to have a way of getting the bit-perfect result, although it is not the originally desired one. I will certainly need to do more testing and to reconfigure the remote to control the receiver volume rather than MP/Windows. Regards, HTPC_Sourcer [/QUOTE]

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