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<blockquote data-quote="fanoI" data-source="post: 1196721" data-attributes="member: 28084">I had the same problem AC3 audio with 44.1 KHz sampling cannot be played with bitstream by mediaportal! Same exact issue LAV audio tries to load (I see the icon for a microsecond) and then Mediaportal decides to use the Microsoft codec that then plays without audio (?).IMHO disable bitstream is not a solution but only a kludge:<ol>
<li data-xf-list-type="ol">Yes HDMI could transport 5.1 audio in PCM but Windows could &quot;touch&quot; the audio resempling it or worst:</li>
<li data-xf-list-type="ol">... if you have set the system for 2 channels multichannel audio is always downmixed (!) while if you set 5.1 channels stereo audio is upmixed in ugly way (same audio from from front and side speakers) in that case I'd like to use Dolby Pro Logic II / DTS Neo in my amplifier but if I set Windows with 5.1 speaker I cannot!</li>
</ol>But the really strange thing is with the same file and same amplifier in another HTPC of an year ago the same file plays in bitstream (and yes LAV Audio kick in!) while in the new one nothing can be hear... how is possible?The only difference is the Video Card in the old HTPC is a Nvidia while in the new one is an Intel but I'm specifically asking to bitstream so why the format is &quot;checked&quot; and then refused to be played?As a last resort I've tried AC3 filter but it said that S/PDIF bitstream was disabled while it was enabled in configuration... well probably is too old and I'm unsure if it works with HDMI anyway...</blockquote>

[QUOTE="fanoI, post: 1196721, member: 28084"] I had the same problem AC3 audio with 44.1 KHz sampling cannot be played with bitstream by mediaportal! Same exact issue LAV audio tries to load (I see the icon for a microsecond) and then Mediaportal decides to use the Microsoft codec that then plays without audio (?). IMHO disable bitstream is not a solution but only a kludge: [LIST=1] [*]Yes HDMI could transport 5.1 audio in PCM but Windows could "touch" the audio resempling it or worst: [*]... if you have set the system for 2 channels multichannel audio is always downmixed (!) while if you set 5.1 channels stereo audio is upmixed in ugly way (same audio from from front and side speakers) in that case I'd like to use Dolby Pro Logic II / DTS Neo in my amplifier but if I set Windows with 5.1 speaker I cannot! [/LIST] But the really strange thing is with the same file and same amplifier in another HTPC of an year ago the same file plays in bitstream (and yes LAV Audio kick in!) while in the new one nothing can be hear... how is possible? The only difference is the Video Card in the old HTPC is a Nvidia while in the new one is an Intel but I'm specifically asking to bitstream so why the format is "checked" and then refused to be played? As a last resort I've tried AC3 filter but it said that S/PDIF bitstream was disabled while it was enabled in configuration... well probably is too old and I'm unsure if it works with HDMI anyway... [/QUOTE]

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