Maik Waschfeld <[email protected]> writes: >> Am 24.06.2017 um 09:22 schrieb Rodolfo Medina <[email protected]>: > […] >> In this case, I import file1.mp3, I invert it, then I import file2.mp3: the >> game does not succeed: what I hear is not the difference between them - as >> it is when file2.mp3 = file1.mp3 -; what I hear seems rather to be the sum >> of the two... > > > That’s strange! > > As playing two files at the same time, technically is a summing-function, if > the result is louder than the single pieces, the invert didn’t work. > Maybe one of the files was already inverted, before you got it. > Just invert on one of the tracks again. > > Essential to the process is too, that both tracks sync exactly. > So when you manually sync the beginning, do they still sync-match at or near > the end of the file? > You can and should zoom in on the waveform to do the syncing and checking. > > If they don’t sync-match completely, they are not identical, source-wise. > >> I wish a tool that detect the differences >> from files with different origines, sources and respective histories... Is >> that possibile? > > > I’m not aware of an application to do this job, automatically. > Sorry!
Yes, the two tracks are perfectly synchronized from beginning to end, the first one is inverted and second isn't. Playing them together is louder than each of them as `Solo'. Same piece, same execution, same recording... Only, one was fetched from Youtube and the other was extracted from audio CD... Rodolfo _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
