I'm downmixing a DTS-MA file to a FLAC file and no matter what settings I use it keeps changing the bit depth of the output file from 24-bits to 16-bits. I'd like for it to remain 24-bits. Here's the log information:
eac3to v3.34
command line: "C:\Users\User\Downloads\Software\Miscellaneous\In stallers\eAC3to\eac3to334-UsEac3to129\eac3to.exe" "C:\Users\User\Videos\Projects\MKV Tools\Output\01 - James Bond - Title Sequences\20 - Tomorrow Never Dies\03 - Audio\01 - Original\01 - DTS\20 - Tomorrow Never Dies - Title Sequence (04).dts" "C:\Users\User\Music\Projects\eAC3to\20 - Tomorrow Never Dies - Title Sequence (04).dts_.flac" -progressnumbers -log="C:\Users\User\Downloads\Software\Miscellaneou s\Installers\eAC3to\eac3to334-UsEac3to129\UsEac3To.log"
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DTS Master Audio, 5.1 channels, 24 bits, 48kHz
(core: DTS, 5.1 channels, 1509kbps, 48kHz)
Decoding with libDcaDec DTS Decoder...
libDcaDec reported the warning "XLL output not lossless". <WARNING>
Encoding FLAC with libFlac...
Creating file "C:\Users\User\Music\Projects\eAC3to\20 - Tomorrow Never Dies - Title Sequence (04).dts_.flac"...
The original audio track has a constant bit depth of 16 bits.
Superfluous zero bytes detected, will be stripped in 2nd pass.
Starting 2nd pass...
Decoding FLAC...
Reducing depth from 24 to 16 bits...
Encoding FLAC with libFlac...
Creating file "C:\Users\User\Music\Projects\eAC3to\20 - Tomorrow Never Dies - Title Sequence (04).dts_.flac"...
The processed audio track has a constant bit depth of 16 bits.
eac3to processing took 27 seconds.
Done.
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The original audio track has a constant bit depth of 16 bits.
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I don't. Look at the log file. It says:
"DTS Master Audio, 5.1 channels, 24 bits, 48kHz" and "Reducing depth from 24 to 16 bits..."
I'm not converting from 16 bits to 24 bits. If it is 16 bits, then can you can tell me why it's saying it's 24 bits, then 16 bits, then 24 bits again? -
something is not identifying the original correctly it looks like.
The original audio track has a constant bit depth of 16 bits.
Superfluous zero bytes detected, will be stripped in 2nd pass.--
"a lot of people are better dead" - prisoner KSC2-303 -
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The file is encoded at 24 bits. But 8 of the bits are zeroes. I.e. the file looks something like this:
Code:10101111001101110101101100000000
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Well, you did rip this right from the Blu-Ray, didn't you? So it's like this on it.
Why they did this I don't know. My guesses it's one/some/all of:
1. authoring house didn't know any better
2. authoring house missed this detail
3. authoring house/studio wanted better numbers for better advertising (MORE = BETTER, RIGHT? 2048 bits, 1 Billion THz etc. ) -
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There is no free or cheap DTS-HD MA encoder so no one accidentally (re-)encodes DTS-HD MA at home. It must have been like this on the original Blu-Ray to begin with.
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