Chapter 6.
Sound Settings
50
Most users will find the default settings to yield satisfactory results, but for the more
adventurous user the settings can be fine-tuned to provide a virtual speaker placement
suited to ones preference. Beware that the crossfeed function is capable of making the
audio distort if you choose settings which result in a too high output level.
6.8. Equalizer
Figure 6.2.: The graphical equalizer
Rockbox features a parametric equalizer (EQ). As the name suggests, a parametric EQ
lets you control several different parameters for each band of the EQ. In some ways the
EQ is similar to the
Bass
and
Treble
settings described earlier, but the EQ allows you
to control the sound much more carefully.
Rockbox’s parametric EQ is composed of five different bands:
Band 0: Low shelf filter.
The low shelf filter boosts or lowers all frequencies below a
certain frequency limit, much as the “bass” control found on ordinary stereo systems
does. Adjust the “cutoff” frequency parameter to decide where the shelving starts
to take effect. For example, a cutoff frequency of 50 Hz will adjust only very
low frequencies. A cutoff frequency of 200 Hz, on the other hand, will adjust a
much wider range of bass frequencies. The “gain” parameter controls how much
the loudness of the band is adjusted. Positive numbers make the EQ band louder,
while negative numbers make that EQ band quieter. The “Q” parameter should
The Rockbox manual
Toshiba Gigabeat F and X Series
