> > >> I'll try to hack the file and see what happens. > > > > You could also try using the --ignore-length command line option. > > I'll give it a go and report back. Didn't work, I'm afraid. Still not sure what I'm missing. $ sox -V --ignore-length gqrx_20211006_081931_120250000.wav > gqrx_20211006_081931_120250000-trim.wav silence -l 1 0.1 1% -1 2.0 1% > sox: SoX v14.4.2 > sox INFO formats: detected file format type `wav' > > Input File : 'gqrx_20211006_081931_120250000.wav' > Channels : 2 > Sample Rate : 48000 > Precision : 16-bit > Sample Encoding: 16-bit Signed Integer PCM > Endian Type : little > Reverse Nibbles: no > Reverse Bits : no > > sox INFO sox: Overwriting `gqrx_20211006_081931_120250000-trim.wav' > > Output File : 'gqrx_20211006_081931_120250000-trim.wav' > Channels : 2 > Sample Rate : 48000 > Precision : 16-bit > Sample Encoding: 16-bit Signed Integer PCM > Endian Type : little > Reverse Nibbles: no > Reverse Bits : no > Comment : 'Processed by SoX' > > sox INFO sox: effects chain: input 48000Hz 2 channels > sox INFO sox: effects chain: silence 48000Hz 2 channels > sox INFO sox: effects chain: output 48000Hz 2 channels > ljkenny:~$ ls -l gqrx_20211006_081931_120250000-trim.wav > -rw-r----- 1 ljkenny primarygroup 44 Oct 7 08:43 > gqrx_20211006_081931_120250000-trim.wav