This warning was on a different file which was not truncated.  The file in
the other thread gave no warnings or errors and was truncated.

On Thu, Jun 15, 2017 at 3:20 AM, Måns Rullgård <mans@mansr.com> wrote:
Mark Sweeney <marksweeneyre@gmail.com> writes:

> What does this warning mean?
>
> WARN mp3-util: MAD lost sync

That means the mp3 stream is broken.  It's the warning you were asking
for in another thread.

--
Måns Rullgård