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This paper presents recognition results for a novel microphone solution for ASR in adverse acoustic environments. PARAT is an intelligent hearing protector and communication terminal implemented as a lightweight earplug. The inner microphone in PARAT captures the speech signal behind a seal in the auditory canal, thus impeding contamination from external noise sources. Experiments on a stereo speech database contaminated with noise show that the PARAT microphone compares favourably with a high-quality noise-cancelling closetalking microphone.

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A system for on-line generation of closed captions (subtitles) for broadcast of live TV-programs is described. During broadcast, a commentator formulates a possibly condensed, but semantically correct version of the original speech. These compressed phrases are recognized by a continuous speech recognizer, and the resulting captions are fed into the teletext system. This application will provide the hearing impaired with an option to read captions for live broadcast programs, i.e., when off-line captioning is not feasible.The main advantage in using a speech recognizer rather than a stenography-based system (e.g., Velotype) is the relaxed requirements for commentator training. Also, the amount of text generated by a system based on stenography tends to be large, thus making it harder to read.