MPEG-7 Audio and Beyond
Audio Content Indexing and Retrieval
Chapter One
Introduction
Today, digital audio applications are part of our everyday lives. Popular examples
include audio CDs, MP3 audio players, radio broadcasts, TV or video DVDs,
video games, digital cameras with sound track, digital camcorders, telephones,
telephone answering machines and telephone enquiries using speech or word
recognition.
Various new and advanced audiovisual applications and services become possible
based on audio content analysis and description. Search engines or specific
filters can use the extracted description to help users navigate or browse through
large collections of data. Digital analysis may discriminate whether an audio file
contains speech, music or other audio entities, how many speakers are contained
in a speech segment, what gender they are and even which per ... read full excerpt from MPEG-7 Audio and Beyond: Audio Content Indexing and Retrieval ebook