A television receiver may be configured to receive, from a user of the television receiver, a set of viewing rules that define a focus preference of the user. The television receiver may output, to a presentation device, a video mosaic comprising a plurality of pieces of content presented as a plurality of tiles. Each piece of content may be linked with a corresponding audio stream from a plurality of audio streams. The television receiver may select a piece of content for focus from the plurality of pieces of content based on the set of viewing rules defined by the user. The television receiver may output only an audio stream linked with the piece of content being focused on from among the plurality of audio streams.