Audio Content Search

author: Joachim Köhler, Fraunhofer IAIS
published: Feb. 14, 2008,   recorded: February 2008,   views: 3843

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Dr. Joachim Köhler showed several techniques and applications in the area of audio content search. Robust segmentation algorithms were applied to detect speech and non/speech events and to perform a speaker segmentation and clustering task. Further speech and music alignment techniques were demonstrated to generate a time code to existing textual and score descriptions. The current state-of-the-art technology for spoken document retrieval was given and alternative approaches and innovative applications were presented to avoid the Out-Of-Vocabulary problem in speech indexing tasks.

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