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# SpeechToText Engine Configuration Parameters

A SpeechToText task transcribes audio into text. This section describes the parameters that you can set in the configuration section for a SpeechToText task.

Configuration Parameter | Description
--- | ---
CustomLM | The path and interpolation weight of each custom language model to use for speech-to-text processing.
ErrorMessage | The message that appears in the transcript when Media Server cannot connect to an IDOL Speech Server.
FilterMusic | Specifies whether to include speech-to-text results for audio segments that Speech Server identifies as music or noise.
Input | The audio track to process.
Language | The language pack to use for speech-to-text processing.
MaxConsecutiveTries | The maximum number of attempts that Media Server makes to connect to the servers listed in the SpeechToTextServers parameter.
Mode | The mode for speech-to-text analysis (you can prioritize accuracy or speed).
ModeValue | The processing rate. The meaning of this parameter depends on the value of the Mode parameter.
SampleFrequency | The sample frequency of the audio to send to the IDOL Speech Server.
SpeechToTextServers | A list of IDOL Speech Servers to use for speech-to-text.
Type | The analysis engine to use. Set this parameter to `SpeechToText`.

## Output Tracks

Output track | Type | Description
--- | --- | ---
Result | SpeechToTextResult | Contains a record for each word.

SpeechToTextResult

Field name | Type | Description
--- | --- | ---
id | UUID | A universally unique identifier to identify the section of audio described by the record.
text | TextData | The spoken word converted to text.
confidence | Int | The confidence score for the speech-to-text process.

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