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Chapter 6. Sound Settings
Limit means essentially a ratio of infinity to one. In this case, the output signal is not
allowed to exceed the threshold at all.
The Knee setting determines how abrupt the transition is from a non-compressed
signal to a compressed signal. Hard Knee means that the transition occurs precisely at
the threshold. The Soft Knee setting smoothes the transition from plus or minus three
decibels around the threshold.
The Attack Time setting sets the delay in milliseconds between the input signal
exceeding the activation threshold and acting upon it.
The Release Time setting sets the recovery time after the signal is compressed. Once
the compressor determines that compression is necessary, the input signal is reduced
appropriately, but the gain isn't allowed to immediately return to normal levels. This is
necessary to reduce artifacts such as "pumping." Instead, the gain is allowed to return
to normal at the chosen rate. Release Time is the time for the gain to recover by 10 dB.
The Rockbox manual
(version 3.14)
Toshiba Gigabeat F and X Series
56
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