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11th February 2016, 18:38 | #13861 | Link | |
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BTW you can use for instance: eac3to INPUT stdout.w64 | ffmpeg -i - -c:a ac3 -b:a 640k -center_mixlev 0.707 - OUTPUT.ac3
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15th February 2016, 19:04 | #13867 | Link |
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If MeGUI does not support custom parameters in its own dialogs, then feed your project with a prepared intermediate result. Converter GUIs are made to support the most probable cases. Support for unusual cases is nice but not mandatory.
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15th February 2016, 21:50 | #13868 | Link |
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In Megui you can use the HD streams extractor to convert a DTS stream. MeGui uses eac3to to do the conversion. In the column "+options" you can add extra commands for eac3to. Double click in "+options column" for the given dts stream and add -arcsoft in the column. Now eac3to uses acrsoft decoder instead of the default decoder.
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22nd February 2016, 10:39 | #13873 | Link |
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Decoding of DTH-HD MA is not bit-perfect
Hello!
It seems there is little problem with decoding DTS-HD MA. Resulted file has some offset in audio data. How I tested this: source wav was encoded to DTS-HD MA using DTS-HD Master Audio Suite Encoder, then dtshd file decodec using eac3to (with libdcadec.dll from dcadec 0.2.0 github release), and resulted wav compared to original wav using binary comparator in foobar2000. This problem not appears when dtshd is decoded with dcadec.exe. Is this eac3to fault or libdcadec.dll fault? Attached samples: source flac and dtshd created with DTS-HD Master Audio Suite Encoder. Source (flac) , DTHS-HD MA |
22nd February 2016, 11:16 | #13874 | Link |
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Thats probably the padding added by the DTS-HD Master Audio Suite. The audio is still bit-perfect, there is just a little more of it.
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22nd February 2016, 12:38 | #13876 | Link | ||
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Flac file length: 8.757s DTS decoded file length: 8.789s Like the DTS have 824 frames the DTS output file length is correct. Quote:
I decoded the dts with ffmpeg, LWlibavsource and eac3to-ArcSoft with identical output than eac3to-dcadec.
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BeHappy, AviSynth audio transcoder. Last edited by tebasuna51; 22nd February 2016 at 12:44. Reason: Add info |
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22nd February 2016, 12:55 | #13877 | Link |
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Official release from foo86 on github - https://github.com/foo86/dcadec/rele....2.0-win32.zip
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22nd February 2016, 13:25 | #13878 | Link |
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The dtshd file format written by the DTS-HD Master Suite has some metadata that instructs the decoder to cut off a few frames at the beginning. dcadec probably respects that while others do not. This isn't really the case for any other DTS-HD stream, as a stream extracted from a Blu-ray, for example, would never have such metadata.
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22nd February 2016, 13:26 | #13879 | Link |
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Using:
dcadec -S DTSENC.dtshd outS.wav (-S Don't strip padding samples for streams within DTS-HD container.) the output is bit-identical to eac3to output. But using the default: dcadec DTSENC.dtshd out_.wav the output is bit-identical to source without delay. Seems than dcadec.exe use the delay info in initial global header of DTSENC.dtshd (recently encoded by Master Audio Suite) Is good to know that, but is useless with standard dtshd extracted from a container.
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