Hi,
I'm absolutely useless at all of this - I'm trying to get some files to run on my Sony UDP-X800 UHD blu ray player but the audio on these files I've got is all crackly / distorted.
[Attachment 50361 - Click to enlarge]
I'm using MKVToolNix to try and understand the file types, is there a way to change the 8 channel audio to 6 channel (5.1) within this tool or do I need another piece of software to do this?
Many thanks!
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is there a way to change the 8 channel audio to 6 channel (5.1) within this tool or do I need another piece of software to do this?users currently on my ignore list: deadrats, Stears555
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A while back I had to convert 7.1 DTS to AAC (whatever would play flawlessly), and I noted this :
– Foobar2000 / qaac => 7.1 M4A file unreadable with VLC Media Player, played by SMPlayer but with a constant "whistling"[*], played correctly by FB2K
– ffmpeg / qaac => 5.1 M4A played correctly by all players
– eac3to / qaac => 7.1 M4A file unreadable with VLC Media Player, played by SMPlayer but with a constant "whistling"[*], played correctly by FB2K
– MeGUI / qaac => 2.0 M4A file with an erroneous playback duration (e.g. 27min instead of 7m15)
The command line (hope you've finished packing by now) for the ffmpeg / qaac conversion was (as a batch file so two percent signs required) :
Code:FOR %%F in (*.dts) do "C:\Program Files\MeGUI_2507_x86\tools\ffmpeg\ffmpeg.exe" -i "%%F" -f wav -acodec pcm_f32le - | "C:\Program Files\MeGUI_2507_x86\tools\qaac\qaac.exe" -V 82 -i --no-delay - -o "%%~nF.m4a"
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By the way, is it possible to convert 7.1 AAC to 5.1 AAC with no transcoding, or are all the channels encoded together in such a way that it's impossible to treat them separately ?Last edited by abolibibelot; 30th Sep 2019 at 11:24.
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