Developing an Annotation System for Communicative Functions for a Cross-Layer ASR System
The investigation of conversational speech requires the close collaboration of linguists and speech technologists to develop new modeling techniques that allow the incorporation of various knowledge sources. This paper presents a progress report on the ongoing interdisciplinary project “Cross-layer language models for conversational speech” with a focus on the development of an annotation system for communicative functions. We discuss the requirements of such a system for the application in ASR as well as for the use in phonetic studies of talk-in-interaction, and illustrate emerging issues with the example of turn management.
Our annotation system on the communicative functions level has two independent tiers. The IPU tier (“Inter Pausal Units”) and the PCOMP tier (“Points of potential syntactic COMPletion”). The figure shows an example of how PCOMP and IPU annotations are mapped onto each other. In this example, Speaker 2 holds his turn by making a pause at a point of “maximum grammatical control”; labelled as “Incomplete-Hold” on tier b) after the introduction of a new sentence by
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