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Chapter 6. Sound Settings 43
6.2 Bass
This setting emphasises or suppresses the lower (bass) frequencies in the sound. A value
of 0 dB means that bass sounds are unaltered (flat response).
6.3 Treble
This setting emphasises or suppresses the higher (treble) frequencies in the sound. A
value of 0 dB means that treble sounds are unaltered (flat response).
6.4 Balance
This setting controls the balance between the left and right channels. The default, 0,
means that the left and right outputs are equal in volume. Negative numbers increase
the volume of the left channel relative to the right, positive numbers increase the volume
of the right channel relative to the left.
6.5 Channels
A stereo audio signal consists of two channels, left and right. The Channels setting
determines if these channels are to be combined in any way, and if so, in what manner
they will be combined. Available options are:
Setting Description
Stereo Leave the audio signal unmodified.
Mono Combine both channels and send the resulting signal to both stereo
channels, resulting in a monophonic output.
Custom Allows you to manually specify a stereo width with the Stereo Width
setting described later in this chapter.
Mono Left Plays the left channel in both stereo channels.
Mono Right Plays the right channel in both stereo channels.
Karaoke Removes all sound that is common to both channels. Since most music
is recorded with vocals being equally present in both channels to make
the singer sound centrally placed, this often (but not always) has the
effect of removing the voice track from a song. This setting also very
often has other undesirable effects on the sound.
6.6 Stereo Width
Stereo width allows you to manually specify the effect that is applied when the Chan-
nels setting is set to “custom”. All values below 100% will progressively mix the con-
The Rockbox manual Toshiba Gigabeat F Series