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-rw-r--r--manual/configure_rockbox/playback_options.tex12
1 files changed, 12 insertions, 0 deletions
diff --git a/manual/configure_rockbox/playback_options.tex b/manual/configure_rockbox/playback_options.tex
index bfc2f5c..5835f75 100644
--- a/manual/configure_rockbox/playback_options.tex
+++ b/manual/configure_rockbox/playback_options.tex
@@ -316,3 +316,15 @@ you to configure settings related to audio playback.
This option rewinds the current track by a small amount whenever it is
paused (not stopped). The amount to rewind can be set between 0 and
15 seconds.
+
+\opt{swcodec}{
+ \opt{play_frequency}{
+ \section{Frequency}\index{Frequency}
+ This is the sampling frequency used for the rockbox playback engine. Audio
+ at a different sampling rate will be converted to this sampling rate prior to
+ mixing using a cubic Hermite polynomial resampler.
+ \note{For best quality and battery life, select the sampling rate used by
+ your audio. This is typically 44.1kHz.}
+ \note{Opus files are always 48kHz.}
+ }
+}%\opt{swcodec}