From the course: Learning Ableton Analog

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Creating motion with filter modulation

Creating motion with filter modulation - Ableton Live Tutorial

From the course: Learning Ableton Analog

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Creating motion with filter modulation

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- While a filter envelope allows the tone of a note or chord to be shaped, the change only occurs once each time a key is depressed. Using a LFO, the filter frequency can be repeatedly modulated or changed in real time similar to the way a string player adds vibrato to a note. So, I've got exercise, Chapter one number nine open. And let's start by discussing the terms Modulation and LFO. So, Modulation simply means change, and in this context it means reoccurring change. LFO stands Low-frequency Oscillator. And if we go over to the right side of analog, you'll see that we have LFO 1 and LFO 2. Now, different than the sub oscillator or the noise oscillator, the LFO is not an additional oscillator that's going to output sound. In fact, the frequency of the LFO is so low that human beings can't hear it. In the case of analog, the rate gives us an ability to go from that .1 Hz up to 17 Hz. So instead, the LFO is used to control the rate of change of some other parameter within analog. So,…

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