Does the new yamaha receivers support the ac3 sound? - AVS Forum
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post #1 of 6 Old 02-16-2012, 03:54 AM - Thread Starter
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Hi.

I thing to buy one of these Yamaha or Pioneer receivers and i want to know if they support AC3 decoding because if don't support how i can hear the mkv, avi, m2ts movies that it has ac3 sound?

And i thing to connect the wd tv live 2011 or the netgear ntv550 hd media players to this yamaha receiver.

Please tell me what will happened if i try to play one video file with only ac3 sound?

I hear it multi-channel from the receiver, i hear it only stereo, or i don't hear any sound from the speakers at all?

And why that thing happening?

Why NEW models of receivers doesn't support old audio codecs and support ONLY new audio codecs?

What can i do to can see and hear movies(Avi, mkv, m2ts) files thath as ONLY AC3 SOUND?

A LOT OF THANKS FOR YOUR ANSWERS AND YOUR TIME.
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post #2 of 6 Old 02-16-2012, 06:22 AM
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Why do you think those receivers don't support DD and DTS decoding? An AVR that only decodes lossless would only be useful for CD and BD playback. The Pioneers can definitely handle legacy decoding and it would be quite surprising if the Yamahas did not as well.
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post #3 of 6 Old 02-16-2012, 07:11 AM - Thread Starter
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I don't say that doesn't support dd and dts decoding i tallied that doesn't support AC3 decoding....

Look the links i gave above and you will see that either a/v receiver support ac3 decoding only dts, dts-hd, truehd.

Is there a program that i can convert any mkv file that has inside ac3 sound to pcm.

I home mkvtoolnix or tsmuxer can to that and if it doesn't please tell me one program that can do that so i can hear the ac3->pcm into these receivers.
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post #4 of 6 Old 02-16-2012, 07:38 AM
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If they didn't support AC3 they wouldn't be able to play regular DVDs. It would be product suicide to release an A/V Receiver that couldn't play the soundtrack on regular DVDs, so these receivers must be able to do it, even though it is not explicitly listed in those specs.
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post #5 of 6 Old 02-16-2012, 08:57 AM
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Do you have a laserdisc player with an RF AC3 output that you need decoded? I don't know any current receivers (but may be wrong) that have such an input although decoders appear on ebay from time to time.
Check out AC3 and Dolby Digital here: http://en.wikipedia.org/wiki/AC3
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post #6 of 6 Old 02-16-2012, 11:51 AM
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AC3 is Dolby Digital..
For us to help you further we need to know your brand/model optical player..
Note that if it is an HTPC then your problems lies with incorrect software drivers...
Also what interface are you using?

Just my $0.02...
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