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Recognising Conversational Speech: What an Incremental ASR Should Do for a Dialogue System and How to Get There

  • Automatic speech recognition (ASR) is not only becoming increasingly accurate, but also increasingly adapted for producing timely, incremental output. However, overall accuracy and timeliness alone are insufficient when it comes to interactive dialogue systems which require stability in the output and responsivity to the utterance as it is unfolding. Furthermore, for a dialogue system to deal with phenomena such as disfluencies, to achieve deep understanding of user utterances these should be preserved or marked up for use by downstream components, such as language understanding, rather than be filtered out. Similarly, word timing can be informative for analyzing deictic expressions in a situated environment and should be available for analysis. Here we investigate the overall accuracy and incremental performance of three widely used systems and discuss their suitability for the aforementioned perspectives. From the differing performance along these measures we provide a picture of the requirements for incremental ASR in dialogue systems and describe freely available tools for using and evaluating incremental ASR.

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Metadaten
Author:Timo BaumannORCiDGND, Casey Kennington, Julian Hough, David SchlangenORCiDGND
DOI:https://doi.org/10.1007/978-981-10-2585-3_35
ISBN:978-981-10-2584-6
Parent Title (English):Dialogues with social robots: Enablements analyses and evaluation
Parent Title (Multiple languages):Lecture Notes in Electrical Engineering: Bd. 427
Publisher:Springer
Place of publication:Singapore
Editor:Kristiina Jokinen, Graham Wilcock
Document Type:Part of a Book
Language:English
Year of first Publication:2017
Release Date:2022/06/24
Tag:Conversational speech; Evaluation; Incremental ASR; System requirements
First Page:421
Last Page:432
Institutes:Fakultät Informatik und Mathematik
Begutachtungsstatus:peer-reviewed
Publication:Externe Publikationen
research focus:Information und Kommunikation
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG