1. 2014-02-17 [3] [SoX-devel] Modification to spectrogram.c for log fre sox-devel Joe Desbonnet 2. 2014-02-16 [1] [SoX-devel] Spectrogram lower/upper frequency limit: sox-devel Joe Desbonnet 3. 2014-02-15 [1] [SoX-devel] Log10 frequency scale for spectrogram: I sox-devel Joe Desbonnet 4. 2014-02-02 [3] [SoX-devel] rounding error in status VU, elsewhere? sox-devel Jan Stary