#include <mrcp_recog_header.h>
MRCP recognizer-header
Can optionally be specified in the END-PHRASE-ENROLLMENT method to abort the phrase enrollment, rather than committing the phrase to the personal grammar
Specifies what will happen if the client attempts to invoke another RECOGNIZE method when this RECOGNIZE request is already in progress for the resource
MAY be sent as part of the START-PHRASE-ENROLLMENT, SET-PARAMS, or "GET-PARAMS" method and is used during voice-enrollment to specify how similar the pronunciations of two different phrases can be before they are considered to be clashing
MAY be specified in a RECOGNIZE method and is used to tell the recognizer to clear the DTMF type-ahead buffer before starting the recognize
MUST be part of a RECOGNITION-COMPLETE, event coming from the recognizer resource to the client
MAY be specified in a RECOGNITION-COMPLETE event coming from the recognizer resource to the client
Tells the recognizer resource what confidence level the client considers a successful match
Specifies a grammar that defines invalid phrases for enrollment
MAY be sent as part of the START-PHRASE-ENROLLMENT,"SET-PARAMS", or "GET-PARAMS" method and is used during voice-enrollment to specify how similar to a previously enrolled pronunciation of the same phrase an utterance needs to be in order to be considered "consistent"
| apr_size_t mrcp_recog_header_t::dtmf_buffer_time |
MAY be specified in a GET-PARAMS or SET-PARAMS method and is used to specify the size in time, in milliseconds, of the typeahead buffer for the recognizer
| apr_size_t mrcp_recog_header_t::dtmf_interdigit_timeout |
Specifies the inter-digit timeout value to use when recognizing DTMF input
Specifies the terminating DTMF character for DTMF input recognition
| apr_size_t mrcp_recog_header_t::dtmf_term_timeout |
Specifies the terminating timeout to use when recognizing DTMF input
MAY be specified in a RECOGNIZE method and is used to tell the recognizer that it MUST not wait for the end of speech before processing the collected speech to match active grammars
MAY be specified in the RECOGNIZE method. If this header is set to "true" and an Enrollment is active, the RECOGNIZE command MUST add the collected utterance to the personal grammar that is being enrolled
When a recognizer needs to fetch or access a URI and the access fails the server SHOULD provide the failed URI in this header in the method response
When a recognizer method needs a recognizer to fetch or access a URI and the access fails the server MUST provide the URI specific or protocol specific response code for the URI in the Failed-URI header
| apr_size_t mrcp_recog_header_t::hotword_max_duration |
Specifies the maximum length of an utterance (in seconds) that will be considered for Hotword recognition
| apr_size_t mrcp_recog_header_t::hotword_min_duration |
Specifies the minimum length of an utterance (in seconds) that will be considered for Hotword recognition
Additional header fields for MRCP v2 Specifies if the input that caused a barge-in was DTMF or speech
Optional header specifies a URI pointing to audio content to be processed by the RECOGNIZE operation
Provides a pointer to the text for which a natural language interpretation is desired
Tells the server resource the Media Type in which to store captured audio such as the one captured and returned by the Waveform-URI header
| apr_size_t mrcp_recog_header_t::n_best_list_length |
The client, by setting this header, can ask the recognition resource to send it more than 1 alternative
MAY be specified in a RECOGNIZE request and allows the client to tell the server that, from this point on, further input audio comes from a different audio source
Replaces the id used to identify the phrase in a personal grammar
| apr_size_t mrcp_recog_header_t::no_input_timeout |
The client can use the no-input-timeout header to set this timeout
MAY be specified in a START-PHRASE-ENROLLMENT, "SET-PARAMS", or "GET-PARAMS" method and is used to specify the minimum number of consistent pronunciations that must be obtained to voice enroll a new phrase
Specifies the speaker-trained grammar to be used or referenced during enrollment operations
Identifies a phrase in an existing personal grammar for which enrollment is desired. It is also returned to the client in the RECOGNIZE complete event
Specifies the interpreted text to be returned when the phrase is recognized
Specifies what mode the RECOGNIZE method will operate in
| apr_size_t mrcp_recog_header_t::recognition_timeout |
The client can use the recognition-timeout header to set this timeout
MAY be sent as part of the SET-PARAMS or GET-PARAMS request
Allows the client to request the recognizer resource to save the audio stream for the best repetition of the phrase that was used during the enrollment session
Allows the client to request the recognizer resource to save the audio input to the recognizer
To filter out background noise and not mistake it for speech
| apr_size_t mrcp_recog_header_t::speech_complete_timeout |
Specifies the length of silence required following user speech before the speech recognizer finalizes a result
Specifies the required length of silence following user speech after which a recognizer finalizes a result
Specifies the language of recognition grammar data within a session or request, if it is not specified within the data
Tunable towards Performance or Accuracy
MAY be sent as part of the RECOGNIZE request. A value of false tells the recognizer to start recognition, but not to start the no-input timer yet
Lets the client request the server to buffer the utterance associated with this recognition request into a buffer available to a co-resident verification resource
MUST be present in the RECOGNITION-COMPLETE event if the Save-Waveform header was set to true
Represents the occurrence likelihood of a phrase in an enrolled grammar
1.6.1
