The amount of available audio data is increasing rapidly in consequence of advancements in media technologies. This rapid increase imposes new demands in audio data management and retrieval. However, modeling and retrieval techniques are not adequate, and handling audio data content is still far from sufficient for most retrieval tasks. In this book, we proposed an audio data model to fulfill user requirements in retrieving audio data from large collections. Also, the audio data repository model we proposed in this work allows us to capture the audio itself, its low-level representation, its...