Cleans one channel's filter settings.
Switches count as on only when they are exactly true; cutoffs only when they are finite numbers above 0 (numeric strings are accepted). Everything else is dropped.
true
Stored value, possibly malformed.
The settings with only the active filters, or undefined when none is on.
undefined
Cleans one channel's filter settings.
Switches count as on only when they are exactly
true; cutoffs only when they are finite numbers above 0 (numeric strings are accepted). Everything else is dropped.