Audio Mining Resources

By Robert L. Mitchell

August 5, 2002 12:00 PM ET

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Computerworld - VoiceXML
Voice Extensible Markup Language (VoiceXML) Version 2.0
W3C Working Draft, October 23, 2001
This World Wide Web Consortium working draft describes the emerging VoiceXML standard. Among other things, VoiceXML represents a common way to create "audio dialogs that feature synthesized speech, digitized audio, recognition of spoken and DTMF key input, recording of spoken input, telephony, and mixed-initiative conversations," according to the Web site. VoiceXML's primary focus isn't audio indexing but rather interactive voice response applications.

Audio Mining Software Vendors

ScanSoft Inc.
Boston
www.scansoft.com
Dragon MediaIndexer, $15,000
Audio Mining Development System $25,000

Fast-Talk Communications Inc.
Atlanta
www.fast-talk.com
Fast-Talk 2.0
$500 per recording port

BBN Technologies
Cambridge, Mass.
www.bbn.com
BBN Audio Indexer, released January 2002

White Papers

This Fast-Talk Communications white paper (download PDF) explains how phonetic searches work.

Fast-Talk co-founder and Georgia Institute of Technology professor Mark A. Clements contrasts the phonetic searching technique to the more traditional speech-to-text approach to audio indexing (download PDF)

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