There is no instruction to make a copy of sox,exe and to rename it as soxi.exe :-P Having said that do I run it using the combine.vbs or directly in cmd prompt? Mark On 14/12/2016 00:48, Jeremy Nicoll - ml sox users wrote: > Take one example (ie a left file, a right file and file that was merged > from them), > and for each of those files issue in a command window this command > (though use the > paths that make sense on your computer): > > "C:\path\to\sox\soxi.exe" "C:\path\to\audio-files\some.wav" > > Note that this runs "soxi.exe" not "sox.exe". Make sure that you have a > soxi.exe > (in the same place as you have sox.exe). --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus