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2nd December 2008, 14:26 | #7221 | Link | |
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2nd December 2008, 18:48 | #7223 | Link |
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2nd December 2008, 19:15 | #7224 | Link | |
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Unfortunately this behaves just like any true stereo track does. The header says stereo, there are 2 full channels in there and they are *not* bit perfect identical. So I don't see any reasonable way to find out that this track is mono instead of stereo. Ok, technically I could probably decode the whole track and check whether there are any "big" differences in the waveform anywhere. But I don't think it's worth it... |
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2nd December 2008, 23:23 | #7225 | Link |
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Why is it that whenever I check any dts file extracted by eac3to with MediaInfo, the length is always slightly shorter than the video or any ac3 file extracted?
Examples: 1) Skinwalkers Bluray eac3to v2.79 command line: eac3to c:\BDRip\Skinwalkers 2) 1:"C:\BDRip\Skinwalkers\Demuxed\Chapters.txt" 2:"C:\BDRip\Skinwalkers\Demuxed\Skinwalkers.mkv" 4:"C:\BDRip\Skinwalkers\Demuxed\Skinwalkers.dts" -core ------------------------------------------------------------------------------ M2TS, 1 video track, 3 audio tracks, 2 subtitle tracks, 1:31:50 1: Chapters, 16 chapters 2: h264/AVC, 1080p24 (16:9) 3: DTS Master Audio, French, 5.1 channels, 24 bits, 48khz (core: DTS, 5.1 channels, 24 bits, 1509kbps, 48khz) 4: DTS Master Audio, English, 5.1 channels, 24 bits, 48khz (core: DTS, 5.1 channels, 24 bits, 1509kbps, 48khz) Media Info on Video MKV : 1h 31mn Media Info on dts : 1h 30mn 2) The Untouchables Bluray eac3to v2.78 command line: eac3to c:\BDRip\TheUntouchables 1) 1:"C:\BDRip\TheUntouchables\Demuxed\Chapters.txt" 2:"C:\BDRip\TheUntouchables\Demuxed\TheUntouchables.mkv" 3:"C:\BDRip\TheUntouchables\Demuxed\TheUntouchables.ac3" 4:"C:\BDRip\TheUntouchables\Demuxed\TheUntouchables.dts" ------------------------------------------------------------------------------ M2TS, 1 video track, 4 audio tracks, 4 subtitle tracks, 1:59:27 1: Chapters, 24 chapters 2: h264/AVC, 1080p24 /1.001 (16:9) 3: AC3 EX, English, 5.1 channels, 640kbps, 48khz, dialnorm: -27dB 4: DTS-ES, English, 6.1 channels, 24 bits, 1509kbps, 48khz, dialnorm: -4dB Media Info on Video MKV : 1h 59mn Media Info on Audio DTS : 1h 57mn Media Info on Audio AC3 : 1h 59mn Am I doing something wrong? Am I mistaken to think this is going to cause an audio sync issue as the movie gets further along? Could this be a bug with MediaInfo? Its also listing the skinwalkers core dts file as 1536Kbps when eac3to said its 1509. I open the mkv and the ac3 files I get in Zoom player and they both are the correct length for the movie, but I can't get .dts files to open in Zoom player to check the lenght of the DTS file...and I do have ac3filter installed... |
3rd December 2008, 07:10 | #7227 | Link |
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Yah, I think you're right about a calculation error, although it doesnt do it with .ac3 files. Anyways, I kinda figured out its fine.
I just muxed the .dts files in question by themselves to .m2ts files with TSMuxer, and checked the resulting .m2ts file. They are the correct length. |
3rd December 2008, 10:28 | #7229 | Link |
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Hello,
I'm not sure whether this is a tsMuxeR issue or an eac3to one (but I assume the latter, sorry), but when I use eac3to to extract a RAW/PCM stream from a BD of Macross Frontier, tsMuxeR doesn't recognize the resultant .pcm file any more ("Can't detect stream type"), whereas it is recognized when I select it directly from the m2ts. I uploaded a sample: 3: RAW/PCM, Japanese, 2.0 channels, 16 bits, 48khz http://rapidshare.com/files/169776965/mf2-test.pcm.html I extracted it with the .pcm extension. Thanks
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3rd December 2008, 11:47 | #7230 | Link | |
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You'll get to a tool that converts the BD PCM track to a format that tsMuxeR can use. |
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3rd December 2008, 11:52 | #7231 | Link | |
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Select wav like output file and can be recognized by TsMuxer if is <4GB (probably because 2 C and 16 bit). For wav files > 4GB (5.1 and > 130 min.) you need pcm output and Pcm2Tsmu.
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3rd December 2008, 17:27 | #7232 | Link | ||
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"If you are planning on time stretching and pitch shifting 5.1 and 7.1 recordings relative phase is essential. You would need to use the PRO version of DIRAC in order to do this." In other words: The free DIRAC version is useless for our needs, sadly. |
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3rd December 2008, 22:04 | #7233 | Link | |
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4th December 2008, 02:32 | #7234 | Link |
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Any help with the following error? The source is Hellboy 2 Blu-ray.
Code:
eac3to v2.79 command line: eac3to "F:\Blu-ray\HELLBOY2_D1" 1) 1: "F:\Blu-ray\Hellboy 2.txt" 2: "F:\Blu-ray\Hellboy 2.h264" 4: "F:\Blu-ray\Hellboy 2.ac3" 10: "F:\Blu-ray\Hellboy 2.sup" ------------------------------------------------------------------------------ M2TS, 2 video tracks, 6 audio tracks, 5 subtitle tracks, 1:59:49 1: Chapters, 21 chapters 2: h264/AVC, 1080p24 /1.001 (16:9) 3: h264/AVC, 480p24 /1.001 (20:11) 4: DTS Master Audio, English, 7.1 channels, 24 bits, 48khz (core: DTS, 5.1 channels, 24 bits, 1509kbps, 48khz) 5: DTS, Spanish, 5.1 channels, 24 bits, 768kbps, 48khz 6: DTS, French, 5.1 channels, 24 bits, 768kbps, 48khz 7: AC3 Surround, English, 2.0 channels, 192kbps, 48khz, dialnorm: -27dB 8: AC3 Surround, English, 2.0 channels, 192kbps, 48khz, dialnorm: -27dB 9: DTS Express, English, 2.0 channels, 24 bits, 192kbps, 48khz 10: Subtitle (PGS), English 11: Subtitle (PGS), Spanish 12: Subtitle (PGS), French 13: Subtitle (PGS), Spanish 14: Subtitle (PGS), French Creating file "F:\Blu-ray\Hellboy 2.txt"... [a04] AC3 encoding doesn't support back channels. Will mix them into the surround. [v02] Extracting video track number 2... [a04] Extracting audio track number 4... [s10] Extracting subtitle track number 10... [a04] Decoding with ArcSoft DTS Decoder... [a04] Mixing surround channels... [a04] Encoding AC3 <640kbps> with libAften... [v02] Creating file "F:\Blu-ray\Hellboy 2.h264"... [a04] Creating file "F:\Blu-ray\Hellboy 2.ac3"... [s10] Creating file "F:\Blu-ray\Hellboy 2.sup"... [a04] This TS/M2TS file seems to be damaged (sync byte missing). [v02] This TS/M2TS file seems to be damaged (sync byte missing). [s10] This TS/M2TS file seems to be damaged (sync byte missing). Aborted at file position 16013541376. |
4th December 2008, 02:37 | #7235 | Link | |
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4th December 2008, 04:33 | #7236 | Link |
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@madshi,
A request please as you have time. When going from the same format to a target of the same format, i.e., using -slowdown for example, can you use the same bitrate as the source by default please? Below is an example of one track I was slowing down and noticed it was being reencoded at 640Kbps rather than just defaulting to what the source is which, in this case, is 448Kbps. All I had to do was use the -448 to make sure the target is at least the same, but it would be nice to have the feature. Thank you. Code:
eac3to v2.79 command line: eac3to movie.1.ts 3: audio.slow.ac3 -slowdown -log=aud-slow.txt ------------------------------------------------------------------------------ TS, 1 video track, 3 audio tracks, 0:10:40 1: h264/AVC, 1080i50 (16:9) 2: AC3, German, 5.1 channels, 448kbps, 48khz, dialnorm: -27dB, -280ms 3: AC3, English, 5.1 channels, 448kbps, 48khz, dialnorm: -27dB, -280ms 4: AC3 Surround, Achinese, 2.0 channels, 192kbps, 48khz, dialnorm: -27dB, -280ms [a03] Extracting audio track number 3... [a03] Removing AC3 dialog normalization... [a03] Decoding with DirectShow (Nero Audio Decoder 2)... [a03] DirectShow reports 5.1 channels, 24 bits, 48khz [a03] Applying RAW/PCM delay... [a03] Changing FPS from 25.000 to 23.976... [a03] Encoding AC3 <640kbps> with libAften... [a03] Creating file "audio.slow.ac3"... Video track 1 contains 1075 frames. eac3to processing took 15 seconds. Done.
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4th December 2008, 08:38 | #7237 | Link | |
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No, I won't do that. When reencoding audio, the source bitrate is totally independent of the target bitrate. Doing 448kbps -> slowdown -> 448kbps results in worse audio quality compared to 448kbps -> slowdown -> 640kbps. |
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4th December 2008, 09:04 | #7238 | Link |
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I have become a bit confused about encoding AC3 from a THD file containing a AC3 core. If I do
Code:
eac3to input.thd output.ac3 It is quite clear regarding DTS with the -core option, but I need some advice regarding Dolbly. If necessary, I can convert to FLAC first. Cheers, Beastie. |
4th December 2008, 09:43 | #7240 | Link |
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The file extension of the source file doesn't really matter at all. But basically sehgal.v7 is right: If the source file contains a TrueHD/AC3 interweaved stream, asking eac3to for the AC3 file will result in a simple extract of the studio provided AC3 track. If the source file contains a straight TrueHD track, only (as is the case with HD DVDs), eac3to will encode a new AC3 track. Currently there's no way to directly force the encoding of a new AC3 track, if there's already an existing one, unless you choose one of the modification options (e.g. a different bitrate, or a volume change or something similar). But you can work around this by first converting to a TrueHD only track (name the target file "*.thd") and then in a separate step transcoding that to AC3. And yes, doing an intermediate FLAC step would have the same effect.
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