HIERARCHICAL TOPIC EXTRACTION AND VISUALIZATION FOR AUDIO STREAMS

HIERARCHICAL TOPIC EXTRACTION AND VISUALIZATION FOR AUDIO STREAMS

An audio stream is subjected to speech-to-text processing in order to obtain a textual representation of the audio stream. Hierarchical topic extraction is performed on the textual representation to obtain a multi-level hierarchical topic representation of the textual representation. A user interfac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WILSON, Alexander James, NECKERMANN, Tom, REY, Romain Gabriel Paul
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:An audio stream is subjected to speech-to-text processing in order to obtain a textual representation of the audio stream. Hierarchical topic extraction is performed on the textual representation to obtain a multi-level hierarchical topic representation of the textual representation. A user interface actuator is generated, which allows a user to search through the audio stream. Different levels of the multi-level hierarchical topic representation are displayed to the user, based upon the speed of actuation of the user interface actuator.