Possible SR Results for MRCP

This documentation provides a clear overview of various recognition results and error scenarios in the MRCP/2.0 format. Please refer to the relevant section as needed for proper usage and troubleshooting.

1 - Normal Recognition Result

• Description: This response represents a successful recognition result with a high confidence level.

MRCP/2.0 792 RECOGNITION-COMPLETE 2 COMPLETE

Channel-Identifier: e1f02e9a92937145@speechrecog

Waveform-Uri: <http://example.com/audio.wav>;size=0;duration=-2

Completion-Cause: 000 success

Content-Type: application/nlsml+xml

Content-Length: 492

<?xml version="1.0"?>

<result xmlns="http://www.ietf.org/xml/ns/mrcpv2">

    <interpretation grammar="session:gr1" confidence="0.99">

        <input mode="speech">ttsInput</input>

        <instance>

            ttsInstance

        </instance>

        <waveform-uri>http://example.com/audio.wav</waveform-uri>

        <vadout-uri>http://example.com/audio.wav?begin-msec=74&end-msec=1800</vadout-uri>

    </interpretation>

</result>

2 - No Match

• Description: This response indicates that there was no match found.

MRCP/2.0 138 RECOGNITION-COMPLETE 2 COMPLETE

Channel-Identifier: a0a1832c59176744@speechrecog

Completion-Cause: 001 no-match

3 - No Input Timeout

• Description: This response indicates a timeout due to no input.

MRCP/2.0 138 RECOGNITION-COMPLETE 2 COMPLETE

Channel-Identifier: a0a1832c59176744@speechrecog

Completion-Cause: 002 no-input-timeout

4 - Recognition Timeout

• Description: This response indicates a timeout due to exceeding the recognition duration limit.

MRCP/2.0 138 RECOGNITION-COMPLETE 2 COMPLETE

Channel-Identifier: a0a1832c59176744@speechrecog

Completion-Cause: 003 hotword-maxtime

5 - Recognizer Error

• Description: This response indicates an error in the recognizer.

MRCP/2.0 138 RECOGNITION-COMPLETE 2 COMPLETE

Channel-Identifier: a0a1832c59176744@speechrecog

Completion-Cause: 006 recognizer-error