path: root/manual/configure_rockbox/sound_settings.tex
diff options
authorAmaury Pouly <>2016-08-20 21:31:12 +0100
committerAmaury Pouly <>2016-12-12 13:10:36 +0100
commit9ca8bd64cd8b9734a82116e0037f4555c6ec3582 (patch)
tree3ea0acf107de26b4e06506ef50660ffe7b382a1b /manual/configure_rockbox/sound_settings.tex
parentaf81cc4a935753d3ba6c692b7e928691f0155355 (diff)
manual: document 3D enhancement
3D "enhancement" is available on all imx233 platform, and also on platforms with the WM8978 codec (gigabeats) and WM8750 codec (MPIO HD 200/300). I used different texts for different codecs because (in theory) they do different "things". Change-Id: I62ecb075f7594427491b6be83cfa80f763566aba
Diffstat (limited to 'manual/configure_rockbox/sound_settings.tex')
1 files changed, 14 insertions, 0 deletions
diff --git a/manual/configure_rockbox/sound_settings.tex b/manual/configure_rockbox/sound_settings.tex
index caebd3c37c..f9f0a747dd 100644
--- a/manual/configure_rockbox/sound_settings.tex
+++ b/manual/configure_rockbox/sound_settings.tex
@@ -189,6 +189,20 @@ change to customise your listening experience.
the effect of widening the stereo field. A value of 100\% will leave the
stereo field unaltered.
+ \section{3D Enhancement}
+ 3D Enhancement increases the perceived separation between the left and right
+ channels.
+ \opt{IMX233}{%
+ It works by subtracting a portion of the opposite channel's content for each
+ channel. This setting controls the amount of opposite channel content that
+ is subtracted. A value of 0dB leaves the audio signal unmodified.}%
+ \opt{HAVE_WM8750,HAVE_WM8978}{%
+ This settings controls the degree of stereo expansion. A value of 0\%
+ leaves the audio signal unmodified.
+ }%
When listening at low volumes, the ear will tend to make bass and treble