It's very visible with silence as the second track. sox -n -r 96000 -c 2 silence.wav trim 0 7 sox in.wav in_trim.wav trim 0 6 sox in_trim.wav silence.wav out.wav splice -q 5,1 There is this echo / duplication starting already at 3-4 seconds. On Mon, 23 Dec 2019 at 23:43, Zsolt Ero <zsolt.ero@xxxxxxxxx> wrote: > > Hello, > > I'd like to use split to mix two slightly different tracks for AB > testing purposes. I'd like to have 0..5 second from track A and 5..10 > seconds from track B, etc. 10..15 track A, 15..20 track B. > > I'd be very important to make sure that it doesn't change the signal > in any way, as in if I run it with identical tracks, I'd get back the > original track. > > My problem is that it's not what is happening. For validation I'm > using a big excess value = 1 sec + -q for equal cross fade. > > So far here are my basic CLI arguments: > sox A.wav tmp/A_0.wav trim 0 6 > sox A.wav tmp/A_5.wav trim 4 7 > sox tmp/A_0.wav tmp/A_5.wav out.wav splice -q 5,1 > > Can you correct me in how to use splice correctly? The way I'm using > it I get a bit of an echo / duplication at the end of the first file, > just before the mixing point. > > Zsolt _______________________________________________ Sox-users mailing list Sox-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/sox-users