X-axis pixels/second; the default is auto-calculated to fit the given or known audio duration to the X-axis size, or 100 otherwise. If given in conjunction with −d , this option affects the width of the spectrogram; otherwise, it affects the duration of the spectrogram. num can be from 1 (low time resolution) to 5000 (high time resolution) and need not be an integer. SoX may make a slight adjustment to the given number for processing quantisation reasons; if so, SoX will report the actual number used (viewable when the SoX global option −V is in effect). See also −x and −d .
The equalizer is definitely the most important piece of equipment in your audio rack! Most transceivers do an excellent
job of passing all the midrange frequencies between 300Hz ~ usually with an added dominance between 500Hz ~ 800Hz. Unfortunately, most
stock transmitters roll-off the bass frequencies below about 150Hz and down, as well as the high frequencies above about and up. So, we
need to do basically three things:
* Reduce the Midrange
* Increase the Bass
* Increase the Treble
Taking a look once again at GRAPH 1 and GRAPH 2 above, you can see what an EQ can accomplish when set up. Below is a graphical representation of what EQing I had to implement in order to get some flatness out of my Kenwood TS-850S/DSP-100 after passing through its . and DSP filtering.