1. A method for capturing visual information and audio related to a lecture, the method comprises: capturing, by a mobile media capture device, while being held by a user, audio information related to the lecture during a time period that at least partially overlaps a time period during which the lecture occurs; repeating, during the time period, the stages of: checking, by the mobile media capture device, while being held by the user, for an occurrence of an event related to the lecture; selecting, by the mobile media capture device and in response to an occurrence of the event, a selected manner to acquire, by a camera of the mobile media capture device, visual information related to the lecture out of (a) an acquisition, at a first rate, of multiple still images of at least a first resolution and (b) an acquisition of a video stream of up to a second resolution that is lower of the first resolution; wherein the first rate is lower than a rate of acquisition of images of the video stream; and acquiring the visual information, by the camera of the mobile media capture device, while being held by the user, according to the selected manner.