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LOOPING CHP. 15
Looping techniques
Depending upon the source material, creating a natural-sounding loop can be a difficult task. Many factors
beyond your control may produce distracting pops and glitches, thereby calling unwanted attention to the
loop. Although looping skill is largely the product of practice and experimentation, there are some
guidelines to consider.
Match endpoint amplitudes
One of the easiest ways to minimize the occurrence of glitches when creating loops is to select loop
endpoints that have an amplitude of zero. These points are known as zero-crossings. For more information, see
Finding zero-crossings on page 225.
Match endpoint waveform slope
Another technique for reducing loop glitches is to avoid matching loop endpoints where the waveform slope
does not match. If the waveform slope changes drastically, a pop plays when the sample is looped.
Note:
The data windows pictured above display the Loop
Tuner in the bottom half of the window. For more
information on the Loop Tuner, please see page 223.
Match endpoint sound levels
The overall amplitude (or loudness) approaching the loop’s endpoints should be as similar as possible to
prevent distracting glitches. Unfortunately, it is frequently difficult to avoid this problem, particularly with
rapidly decaying source material. For more information, see Viewing loop amplitude on page 225.
Non-matching slope Matching slope
Non-matching amplitude Matching amplitude