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# Threshold

The `Threshold` parameter controls the sensitivity of HPE IDOL Speech Server when detecting potential phrase matches. Set `Threshold` to a value between 0.0 and 1.0, where 0.0 is the most sensitive and 1.0 is the least sensitive.

Increasing the sensitivity means that HPE IDOL Speech Server performs a detailed search to find more matches in the audio. High sensitivity means that the action misses fewer instances of the phrase, but the search is slower.

Decreasing the sensitivity increases the search speed. However, HPE IDOL Speech Server might ignore positions in the audio file that do not appear to match initially, which might increase the number of occurrences that it misses.

Type: | Decimal
Default: | 0.45
Range: | 0.0–1.0
Required: | No
Configuration Section: | phraseprematch module
Example: | `Threshold=0.6`

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