Re: Continuous speech recognition in MRCP

> Dear SpeechSC list members,
>
> in our company we are implementing TTS and ASR solutions using MRCP. For ASR we would like to use the protocol not only for recognition of short utterances based on simple grammar; scheme
>
> C->S: RECOGNIZE
> S->C: IN-PROGRESS
> S->C: START-OF-INPUT
> S->C: RECOGNITION-COMPLETE (result)
>
> but also for continuous speech recognition (e.g. minutes or tens of minutes, dictations, ...) with immediate results. Unfortunately there is no such approach in MRCPv2 specification draft. We thought about using following scheme:
>
> C->S: RECOGNIZE (continuous)
> S->C: IN-PROGRESS
> S->C: START-OF-INPUT
> S->C: IN-PROGRESS (partial_result_1)
> ...
> S->C: IN-PROGRESS (partial_result_n)
> C->S: STOP
>
> Imagine an application for writing dictation so that user can see immediately what he said. The recognizer could be located on a remote machine.
>
> The (continuous) parameter to the RECOGNIZE request could be a type of grammar (built-in language model specification, in fact) or a header value. Do you find this approach a clean solution? Or do not you think continuous speech recognition should be part of MRCPv2 specification?
>
> Kindest regards and thanks for comments,
> Tomas Valenta
>
> PS. Originally we started discussing this topic with Arsen Chaloyan (author of UniMRCP) here:
> https://groups.google.com/d/topic/unimrcp/pSaDbhHPh3M/discussion
>
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