2D Animation/Audio

Audio tracks can be used to add
 * educational comments to the animation - e.g. explaining the visual transformation of objects that are visible on the 2D animation plane.
 * add noise or sound to add audio context to visual elements (bouncing ball with sound for each bounce or splash, when an animated object hits a water surface.

Learning Tasks
Identify a application scenario for 2D animations in which a sound or audio content is relevant for a learning resource that uses the 2D animation.
 * describe an animation requires an audio comment for a learner and mention an example where audio comments are not required or can be replaced by other options (e.g. an additional text for explaination).