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28th February 2007, 19:36 | #701 | Link | |
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Another question: Is there a possibility to decode the DD+ track with Sonic and then dump the 5.1 channels into wav files somehow? Thanks! |
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28th February 2007, 20:13 | #702 | Link | |
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PCM can be only 2.0. New codecs (or PCM multichannel) only over HDMI (over ver 1.1 or 1.2-I'm not sure). There is also iLink, but this is different story. |
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28th February 2007, 20:24 | #703 | Link | |
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HDMI 1.3 adds support for Dolby TrueHD and DTS-HD Master Audio. http://en.wikipedia.org/wiki/HDMI It seams you can use HDMI 1.1 and 1.2 if the computer decodes the DTS-HD stream and then outputs it to the receiver as a linear PCM. http://www.dts.com/dts-hd/dtshd-mast...g-receiver.php |
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28th February 2007, 20:30 | #704 | Link | |
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28th February 2007, 20:42 | #705 | Link | |
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EVOdemux can differentiate the MLP and the Dolby TrueHD streams. The stream on the HD DVD flagged usually as "Dolby TrueHD" (stream_id: $b0..$b7) can contain a standard MLP stream or a real TrueHD stream. Standard MLP (on a DVD Audio): Code:
MLP audio stream 1 found! First PTS = 00000294 Substream id = A1 Standard MLP stream (up to 6 channels) Quantization length = 24 bits Sampling frequency = 96 kHz Channel arrangement = Lf + Rf + Ls + Rs + C + LFE Dynamic range control = -10,6371 dB .. 8,4282 dB Code:
Dolby TrueHD audio stream 1 found! First PTS = 00000D8E Substream id = B1 TrueHD stream (up to 8 channels) Sampling frequency = 48 kHz 2 ch. decoder channel modifier = 1 6 ch. decoder channel modifier = 1 channel arrangement = Lf + Rf + Ls + Rs + C + LFE 8 ch. decoder channel modifier = 1 channel arrangement = Lf + Rf + Ls + Rs + C + LFE Dynamic range control = -10,6371 dB .. 8,4282 dB Last edited by Pelican9; 28th February 2007 at 20:51. |
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28th February 2007, 20:44 | #706 | Link | |
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http://forum.doom9.org/showthread.php?s=&threadid=57736 Just selecting 6 channels is far not enough... Jack |
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28th February 2007, 21:38 | #707 | Link | |
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Interesting, I didn’t have a clue. Like it said here:http://en.wikipedia.org/wiki/Dolby_TrueHD Dolby TrueHD is Based on MLP it’s not an actual MLP stream. So it means that no MLP decoder will be able to decode Dolby TrueHD and a new software decoder is required. I guess there won’t be any commercial decoder packed into one of the HD-DVD software players because they must use HDMI 1.3? |
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28th February 2007, 21:47 | #708 | Link | |
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You can read from http://en.wikipedia.org/wiki/HD_DVD that "HD DVD players must be able to decode the new lossless audio codec Dolby True HD, but this is optional for Blu-ray players." The easiest way to play these new audio formats is to decode them on the actual player/computer and then transfer the analog audio to your receiver with the help of 6 RCA cables. You can read more about this alternative to HDMI on http://www.dts.com/dts-hd/dtshd-mast...g-receiver.php. Last edited by zgx; 28th February 2007 at 21:54. |
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28th February 2007, 23:21 | #709 | Link |
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PowerDVD 6.5 or 7.1 decodes TrueHD. You can connect your analog sound card outputs to receiver and enjoy lossless multichannel sound
For typicall movie (5.1 24bit/48kHz) avg. bitrate is about 3.5mbit with 5mbit peak. |
28th February 2007, 23:50 | #710 | Link | |
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All I really want is to decode the stream in GraphEdit and re-encode it to another lossless codec and use it with the vc-1 video in another container. Any ideas? |
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1st March 2007, 07:34 | #713 | Link | |
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1st March 2007, 10:24 | #714 | Link | |
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1st March 2007, 10:43 | #715 | Link | |
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I mean, then i put your filter into graphedit, point to DD+ as input, put sonic audio decoder, wav dest and file writer. And it should create me proper wav file, right? Last edited by MichalHabart; 1st March 2007 at 10:53. |
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1st March 2007, 11:23 | #716 | Link | |
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I didn't test wav dest and file writer, only DD+ source -> sonic audio decoder 4.2 -> default directsound |
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1st March 2007, 11:49 | #717 | Link |
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I tested this and it wrote result file more 2GB big. foobar says it is PCM 1536kbps stereo. but probably it's because of wav settings. is there some filter which can encode in real time to something multichannel (ac3/dts/multi-channel-wav)?
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1st March 2007, 12:23 | #718 | Link |
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Of course there is! Avisynth!
1. Delete the default directsound device from your graph, then save it eg. audio.grf 2. create text file: eg. audio.avs with the following row (of course you modify the fps value): DirectSoundSource("audio.grf",video=false,audio=true,fps=23.796) 3. open this avs file in MeGUI and encode it ... |
1st March 2007, 12:23 | #719 | Link | ||
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2/ create avs script with : DirectShowSource(YOUR.GRF, fps=23.976, video=false, seek=true, seekzero=false, framecount=XXX) 3/ open it in MeGUI and choose your output format. I just try with FFMPEG AC-3 output, keeping original channels. I get a perfect AC3 6-channel file. Great work orbitlee ! EDIT : Oups, too late EDIT2 : ffmpeg says : Quote:
Last edited by Deckard2019; 1st March 2007 at 12:39. |
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1st March 2007, 12:45 | #720 | Link | |
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also, this doesnt seem to work with cinemaster audio decoder 4.1. dont get any sound at all from that Last edited by tomos; 1st March 2007 at 12:50. |
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