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Here is the latest public release of the next generation of my Spectral Upmix tools.
First (circa 2006) there was "Spec" in Plogue Bidule, Then "SpecWeb" standalone in windows, and now in 2022 a set of opensource windows batch scripts and utilities for upmixing stereo to 5.1 and 7.1 surround.
Just Drag and Drop one or more stereo files onto one of the scripts. I suggest you start with “5.1 feeling lucky upmix”, as it will automatically choose the "best" option for your input from the 6 other 5.1 scripts, and the latest SpecWeb 5.1 method.
"5.1 feeling lucky upmix", "SpecScript Balanced.bat", "SpecScript Phantom Side.bat", "SpecScript Wide Center.bat", SpecScript Wide Front.bat", "specScript Wide Rear.bat" and SpecScript Wide Center w Balanced Rear.bat will output a 5.1 flac file.
"SpecScript 7.1 sides first.bat" and "SpecScript rears first.bat" will output 7.1 flac files.
SpecScripts, by default, automatically measures the dynamics of the Stereo and Upmixed files, and set the parameters of a mastering limiter VST, such that the final upmix output loudness and peak levels should match that of the original Stereo to within 0.5dB (an in-audible difference).
The output files will be in the same directory as the input files. Output files are named such that you can tell which script/method was used.
Installation
If you have previously installed any version of SpecWeb, and use any Dot Net programs, there is likely nothing to install. Just unzip the distribution and you are ready to go.
If not, double click on "Install_SpecWeb.bat", and follow the instructions to install any needed libraries.
Parts of SpecScript (CenterCut) also need dot net 3.5. Windows should prompt you if you need it.
Please see the SpecScript 1.8.pdf file for more information.
Thanks to the quadraphonicquad.com and SurroundByUs users that helped in getting SpecScript to this point. Over 1200 stereo tracks upmixed and tested to date.
Discussion is here:
or if you prefer:
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