# Modulator Reference

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This chapter provides a detailed breakdown of every Modulator available on the S4. Each Modulator has its own dedicated section, covering its core functionality, available parameters, actions and any unique behaviours or modes. 

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## <picture><source srcset="https://662554179-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHdBRp4PsMPb4tP3f8vi8%2Fuploads%2FGvL5SJdQQz3jIYrpHLjq%2FModulator%20Icon%20Dark%20Mode.png?alt=media&#x26;token=27f5a4b5-f968-4ad8-a8cf-b9258c337607" media="(prefers-color-scheme: dark)"><img src="https://662554179-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHdBRp4PsMPb4tP3f8vi8%2Fuploads%2Fm1WmIWTHMlTrzDE1gMjW%2FModulator%20Icon.png?alt=media&#x26;token=4a866228-6795-4548-8859-cdf00b1f9b83" alt="" data-size="line"></picture> Modulators

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>WAVE:</strong> Oscillating wave generator</td><td><a href="modulator-reference/wave">wave</a></td></tr><tr><td><strong>RANDOM:</strong> Variable step generator</td><td><a href="modulator-reference/random">random</a></td></tr><tr><td><strong>FOLLOW:</strong> Dynamic envelope follower</td><td><a href="modulator-reference/follow">follow</a></td></tr><tr><td><strong>ADSR:</strong> Envelope generator</td><td><a href="modulator-reference/adsr">adsr</a></td></tr></tbody></table>

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