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Explain in more detail what the precut option for EQ does, and also mention that it requires EQ to be enabled to use it.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30216 a1c6a512-1295-4272-9138-f99709370657
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Michael Giacomelli 2011-07-27 16:02:43 +00:00
parent 1ec180803a
commit ab759daf5b
1 changed files with 10 additions and 5 deletions
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15
manual/configure_rockbox/sound_settings.tex
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@ -485,11 +485,16 @@ change to customise your listening experience.
\end{btnmap}
\item[Pre-cut.]
If too much gain is added through the graphical EQ, your music may distort.
The \setting{Precut} setting allows you to adjust the overall gain of the EQ.
If your music distorts when using the EQ, trying changing this setting to a
negative value.
If too much positive gain is added through the graphical EQ, your music may
distort. The \setting{Precut} setting allows you to apply a global negative
gain to decoded audio, cancelling out positive gain from the EQ. This will
prevent distortion when boosting certain frequency ranges, at the expense of
making audio quieter.
Alternatively, precut can be used with a flat EQ curve to implement a volume
cap. For example, on a player that allows overdriving the headphone output
to +6dB, maximum volume can be capped to +0dB by applying 6dB of precut. Note
that precut is not applied if EQ is disabled.
\item[Simple EQ.]
This option provides an easier alternative for those who are daunted by all of