Speaker Diarization: Its Developments, Applications, And Challenges

Abstract

Multimedia computing is an emerging research area with a wide range of possibilities for various types of digital media. For instance television, movie, audio broadcast, and meeting recordings can be analysed to derive semantic value. Although significant progress has been achieved in recent years, speaker diarization continues to be an active topic in speech research. In this paper, a speaker diarization system would be reviewed and then continued by description of current development and application of diarization system in the broadcast news, meeting and telephone channel. Some trends and challenges arising in the speaker diarization area are addressed in this review, such as presence of overlapped speech and various characteristic of the input audio stream. Particularly, performance improvement has become an ongoing goal in speaker diarization research. One of important factors is how far speaker diarization system has been implemented in many widely area to assist other application systems. Keywords : component; speaker diarization, broadcast news, meeting, telephone channel, overlapped speech