Content is presented by media devices to a user. Described herein are techniques and systems for determining occurrence of one or more events at, or proximate to, the media device. Once an event is determined, one or more actions to modify presentation of the content may be initiated. The actions may include starting presentation of the content, stopping presentation of the content, applying noise mitigation techniques to the content, and so forth. The noise mitigation techniques may include modification of an intended signal from the content to produce a noise mitigation zone 118 proximate to, or encompassing, at least a portion of the user's head.