Auto Filter

Article Preview :: Ableton Live Notes


Technique : Ableton Live Notes


Len Sasso
1: In this setup, a triangle-wave LFO modulates the band-pass filter frequency with a half-note cycle. The 180 degrees Phase knob setting makes the filter bands move in opposite directions in the left and right channels. The Quantise Beat setting makes the bands jump at 16th-note intervals rather than moving smoothly.
1: In this setup, a triangle-wave LFO modulates the band-pass filter frequency with a half-note cycle. The 180 degrees Phase knob setting makes the filter bands move in opposite directions in the left and right channels. The Quantise Beat setting makes the bands jump at 16th-note intervals rather than moving smoothly.
There’s more to Live’s Auto Filter audio effect than simply applying an analogue-style filter to your virtual instruments and audio clips. It offers extensive modulation (hence the ‘Auto’ in the name), and you can create arrays of several Auto Filters in series, parallel or a combination of the two to give you moving-filter processes you won’t find in any synth or sampler. In this month’s column I’ll be showing you just what you can get out of Auto Filter if you know how. Let’s start with the basics...
Loop an ambient sound or pad clip without much motion on an audio track, and insert an Auto Filter on that track. The default setting — a low-pass filter with 12.5kHz cutoff — doesn’t have much effect, so use the buttons below the filter graph to select a band-pass filter (third button from the left). Click and drag the circle in the graph horizontally to hear the effect of the filter at different frequencies, and drag vertically to hear the effect of different bandwidths. Each of the remaining Auto Filter controls automates horizontal dragging in one way or another.
Round & Round
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