Re: [SoX-users] acoustic-marks in audio-file

[Rob S. <aq...@ya...>]

Not sure how suitable in this case, but worth mentioning: a couple of examples of adding audio markers can be found here:
  http://sox.git.sourceforge.net/git/gitweb.cgi?p=sox/sox;a=blob;f=scripts/testtones.sh

(search for 'mark').

Cheers,
Rob