You can make one from the stuff in mixxx/src/test/soundFileFormats. Specifically, unpack the reference file then use sox or whatever to make a mono m4a out of it. Better still, add M4A generation to the generateFiles.sh script so everyone can use it.
You can make one from the stuff in mixxx/src/ test/soundFileF ormats. Specifically, unpack the reference file then use sox or whatever to make a mono m4a out of it. Better still, add M4A generation to the generateFiles.sh script so everyone can use it.