The endpoint of the sample, in sample units.
The player will reproduce the whole sample if
end is not specified - in other
words, in most cases, this does not need to be set.
If end value is -1, the sample will not play. Marking a region end with -1 can be used to use a silent region to turn off other regions by using the group and off_by opcodes (though with ARIA extensions, sample=*silence is an easy way to accomplish this also).
|integer||0||0 to 4294967296|