Message 9/9
Date: 26-Apr-06 @ 02:25 PM -
RE: looping
yup.... with a sampler when you're looping it while clocked you have to first work on 2 things... the tempo of the sequencer triggering the Loop, which needs to be as close as possible to the tempo of the loop itself of course unless you change the Loop PITCH... and the pitch (as Soup says), which you can tweak up/down in order to get the loop right.
Once you've trimmed the start of the loop, really, trimming the end isnt required until you have the tempo/pitch correct so the sample is looping right... THEN trim off the end (the stuff which doesnt playback cos the loop has cycled back to the start again before it gets a chance to play
If you're trimming a loop in a wave editor tho it's different cos there is NO tempo to adjust... the loop just plays at it's own natural tempo, so in that case, yes... the end TRIM point totaly determines if the loop sounds smooth
But on a sampler where the loop is being triggered by a sequencer (wether external or built-in to the sampler unit) the sequencer tempo HAS to be sorted first... get is as near as possible so that the loop cycles back to re-trigger the start as close as you can get it... THEN use the pitch to raise the Pitch (shorten the length) or lower the Pitch (increase the length) ... the pitch/Length of the sample is what U use to finaly get it looping right with the tempo of the sequencer triggering the loop.
2 things further
if you start a piece using a loop and build the piece around the loop using the Loop's natural tempo, then the task is to trim the start position so the Loop starts right on the start-point (it might be a kik-drum in a drum loop for example)
Then you set the sequencer triggering the loop and adjust the tempo of the sequencer until the loop is looping back to the start re-trigger at the right time and it sounds smooth... then you have the tempo right for the sequencer and it matches the original tempo of the loop... Then finaly trim off any unrequired audio not being used.
But, if you're adding in a loop to a track which you already started with other thinsg like creating your own beat at a fixed tempo you decided earlier, and the loop is at a different tempo, then you need to make the loop match the different tempo.... without using time-stretch the only way to do that is to import the sample loop, the trim the start poisition correctly, THEN adjust the TUNING/PITCH until it loops right with the rest of the track... then trim off the end excess audio not required
so of course, usualy one uses a little of each.... tempo and tuning just to fine-tune the loop
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