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4th January 2008, 23:22 | #2381 | Link | |
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1. Transcoding takes time. 2. Although there is no way at the moment to send digital TrueHD stream to AV receiver, it will happen in the future. I am not so sure about AV receivers to ever support FLAC. |
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4th January 2008, 23:28 | #2382 | Link |
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Have you compared the time it takes to demux TrueHD to the time it takes to demux TrueHD and transcode it to FLAC? Both by using eac3to? I think there's probably not much of a difference because the most time consuming thing is probably reading and writing from/to harddisk. And that doesn't differ when using eac3to cause eac3to can demux and transcode in one step.
You need HDMI 1.3 devices to transport TrueHD bitstream. But as far as I know every HDMI 1.3 device can also transport multichannel PCM sound. Now every audio format can be sent lossless via PCM. So if you have HDMI 1.3 devices you can also send FLAC without any loss to the receiver. So I don't see any advantage for TrueHD. |
5th January 2008, 02:15 | #2383 | Link | |
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5th January 2008, 03:30 | #2384 | Link |
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Does eac3to handle DTS-HD ES 6.1 in the right way?
Working on The Untouchables (Blu-ray) now. Demuxed audio with xport. eac3to tells me: eac3to untouchables.dts untouchables.flac DTS-ES, 6.1 channels, 1:59:51, 24 bits, 1536kbit/s, 48khz, dialnorm: -4dB Doubling 7th channel... Removing dialog normalization... Decoding with DirectShow (Sonic Audio Decoder)... DirectShow reports 6.1 channels, 24 bits, 48khz Encoding FLAC... Creating/writing file "untouchables.flac" After muxed it into a mkv ffdshow reports it get a 8channel uncompressed stream from madflac. BUT I searched the whole file with headphones (mapped with the 2 "extra" channels) and I can't find any sound. |
5th January 2008, 04:04 | #2385 | Link |
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Hmm...using ffdshow for flac decoding gives me all channels (I think). Can this be a madflac problem? Or maybe a ffdshow map/mixer problem. But when mixer i bypassed I still can't audio from SL and SR.
It is a madflac problem. Continue in madflac thread... Last edited by rickardk; 5th January 2008 at 04:37. |
5th January 2008, 04:30 | #2386 | Link |
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I stipped the HD DVD EVO files of Transformers and got video and audio elementary streams. Currently I am using eac3to to convert the eac3 to DTS so I can author it onto a Blu-Ray. Does anyone know what delay I should use in eac3to?
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5th January 2008, 08:42 | #2387 | Link | |
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In contrast to that TrueHD decoding support does cost license fees. Because of that e.g. the Popcorn media player box does not support TrueHD decoding, although its hardware could easily do it. They just didn't add support for TrueHD decoding to save the license fees. Of course FLAC is already announced to be supported (with a future firmware version). |
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5th January 2008, 11:13 | #2390 | Link | |
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5th January 2008, 14:01 | #2391 | Link |
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I'm trying to convert eac3 to ac3, what am I doing wrong here?
I installed Nero-7.10.1.2, and this is what i type in eac3to: "eac3to ddplus.eac3 dd.ac3 -640" after that eac3to starts decoding and when it's finished it doesn't save any file (dd.ac3). |
5th January 2008, 16:50 | #2397 | Link |
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Do those movies happen to be something other than 1920x1080p24? The Haali splitter has some trouble with strange aspect ratios. Those are really rare, though. Currently eac3to uses Haali's splitter + Haali's MKV muxer to create MKV files. Because of that I'm at the mercy of the Haali filters. If there's a bug in the Haali filters, there's not much I can do about it.
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5th January 2008, 17:22 | #2399 | Link | |
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Btw did I do everything right in this E-AC3 448kbps to AC3: eac3to filename.eac3 filename.ac3 -448 -libav Also I got another track wich is Dolby TrueHD, is there anything eac3to can do with it to maybe get better audio than from E-AC3? |
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