Cre­ate glitch ef­fects with de­lay plug­ins

Future Music - - FEATURE -

Once you get the prin­ci­ples be­hind the choppy buf­fer ef­fect, you’ll be stitch­ing to­gether your own glitch­ing pro­ces­sor for some cre­ative fun Glitches came to promi­nence when com­puter mu­sic pro­duc­tion re­ally took off. By load­ing snip­pets of the played sig­nal into a ‘buf­fer’, and then sud­denly re­peat­ing this buf­fer with the ac­tive sig­nal killed, you’ve cre­ated a glitch ef­fect – a lot like an old, scratched CD skip­ping on play­back… only by us­ing your DAW, it’s timed along­side the ex­ist­ing mu­sic. The pro­cess­ing be­hind the glitch ef­fect is ac­tu­ally easy to re­make us­ing a de­lay, since a de­lay is sim­ply a buf­fer that stores the in­put sound and plays it back. By turn­ing the feed­back up to 100%, you’ll only play back the sound that’s stored, but it’s a lit­tle more com­plex, as you have to switch off the in­put sig­nal com­ing into the buf­fer at the same time. That’s all pretty straight­for­ward us­ing Bitwig’s macros, though…

Grab a de­lay de­vice – we’re us­ing Bitwig Stu­dio’s De­lay-1 pro­ces­sor – and load it over an au­dio track or in­stru­ment. Whack the Mix up to 100% so you just hear the de­layed sig­nal, and then crank down the Feed­back to 0%. In­sert a lim­iter af­ter­wards for safety.

When you sud­denly raise the Feed­back knob to 100%, the sig­nal gets caught in a loop­ing cy­cle, and doesn’t lose any vol­ume. Play with the de­lay time and see how it changes the setup. The prob­lem is that the in­put sig­nal is con­stantly be­ing fed into the de­lay’s buf­fer.

Nest­ing the De­lay-1 into our synth’s de­vice chain, we add in a Tool (util­ity) de­vice. We can use the in­stru­ment’s macros, routed pos­i­tively to the De­lay-1’s Feed­back and neg­a­tively to the Tool’s Am­pli­tude, to cut the in­put when the de­lay feed­back goes to 100%.

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