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| -rw-r--r-- | manual/configure_rockbox/sound_settings.tex | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/manual/configure_rockbox/sound_settings.tex b/manual/configure_rockbox/sound_settings.tex index 3fe7efb..3ac346d 100644 --- a/manual/configure_rockbox/sound_settings.tex +++ b/manual/configure_rockbox/sound_settings.tex @@ -592,29 +592,32 @@ details about how to use the feature. \opt{swcodec}{ \section{Haas Surround} -This setting does Haas effect with adjustable delay time to enhance the stereo stage -of the sound. A full range haas effect may sounds like everything starts from left channel ends at right. -Therefore, four additional functions are provided to move the stage back to the center: -First is a \setting{Balance} setting for change left-right channel output ratio. Second -is a bypass band for frequency mostly contain vocals, using \setting{f(x1)}, \setting{f(x2)} to reserved the -frequncy range. The \setting{SIDE ONLY} setting uses mid-side -processing to determine and apply effect to side only. And finally, a \setting{Dry/Wet Mix} -to adjust the proportion of mix between the original (dry) and 'effected' (wet) signals. +This setting implements the Haas effect with adjustable delay time to enhance +the stereo effect of the sound. A full range Haas effect creates the impression +that sound starts from one channel and ends in the other. Therefore, four additional +functions are provided to move the stage back to the center: +\setting{Balance} to change the left-right channel output ratio. +A bypass band for frequencies that mostly contain vocals, using \setting{f(x1)}, +and \setting{f(x2)} to set frequencies which are not affected. The \setting{SIDE ONLY} +setting uses mid-side processing to determine and apply effect to the side channel only. +Finally, the \setting{Dry/Wet Mix} setting adjusts the proportion mixed from the +original (dry) and 'effected' (wet) signals. } \opt{swcodec}{ \section{Perceptual Bass Enhancement} -This setting dose a group delay correction and an additional Biophonic EQ to -emphasize the clarity of the sounds. The \setting{Precut} setting provides +This setting implements a group delay correction and an additional biophonic EQ to +emphasize to boost bass perception. The \setting{precut} setting provides negative overall gain to prevent possible audio distortion due to the EQ gain. The defult precut value is set to -2.5 dB and can be adjust from 0 dB to -4.5 dB. +Note that this effect will stack with any other EQ applied. } \opt{swcodec}{ \section{Auditory Fatigue Reduction} -Human hearing are most senstive to some frequency bands, and this setting applies custom presets -of equalization and bi-shelf filter to reduce signals in those bands to minimize -the chance that temporary threshold shift (Auditory Fatigue) occurs. +Human hearing is more senstive to some frequency bands. This setting applies additional +equalization and bi-shelf filtering to reduce signals in these bands to minimize +the chance that temporary threshold shift (auditory fatigue) occurs. } \opt{swcodec}{ |