{"json_modified": "2016-03-28T08:37:06.989606", "uuid": "ee4dd1ab-12dc-442e-9c0e-ec556aa6ca90", "title": "AudioParam.setTargetAtTime()", "url": "/en-US/docs/Web/API/AudioParam/setTargetAtTime", "tags": ["setTargetAtTime", "API", "Reference", "AudioParam", "Web Audio API", "Method"], "translations": [], "modified": "2016-01-08T15:09:16", "label": "AudioParam.setTargetAtTime()", "localization_tags": [], "locale": "en-US", "id": 125109, "last_edit": "2016-01-08T15:09:13", "summary": "The change starts at the time specified in <code>startTime</code> and exponentially moves towards the value given by the <code>target</code> parameter. The exponential decay rate is defined by the <code>timeConstant</code> parameter. This is the time it takes a first-order linear continuous time-invariant system to reach the value <code>1 - 1/e</code> (around 63.2%) given a step input response (transition from <code>0</code> to <code>1</code> value): basically, the larger it is, the slower the transition will be.\u00a0 This is useful for decay or release portions of envelopes.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Returns", "title": "Returns"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/AudioParam/setTargetAtTime", "review_tags": []}