A virtual image generation system for use by an end user comprises memory, a display subsystem, an object selection device configured for receiving input from the end user and persistently selecting at least one object in response to the end user input, and a control subsystem configured for rendering a plurality of image frames of a three-dimensional scene, conveying the image frames to the display subsystem, generating audio data originating from the at least one selected object, and for storing the audio data within the memory.