\item [F\_astats]~\\Shows time domain statistics about audio
frames.
\item [F\_asubboost]~\\Boost subwoofer frequencies.
-\item [F\_atempo]~\\Adjusts audio tempo.
+\item [F\_atempo]~\\Adjusts audio tempo so that when you speed up audio, it will
+adjust the pitch accordingly to make audio sounds more normal, but faster without
+being badly distorted. Its behavior is similar to what can be seen when you watch
+a youtube video, click the gear icon, and select a speed greater or less than 1.
\item [F\_atrim]~\\Pick one continuous section from the input,
drop the rest.
\item [F\_bandpass]~\\Applies a two-pole Butterworth band-pass