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# IvSpkIdDevelFinal

After you gather score statistics for each of the speaker templates, you can calculate the iVector score threshold based on one or more development files, and generate a new set of iVectors with the thresholds.

You can specify multiple template development files in a list file, or just a single development file.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `IvSpkIdDevelFinal`. | Yes
Bias | The balance bias to use between reducing false hits and reducing rejections. |
DevExt | The file extension to use for input audio template development files. |
DevFile | The name of the audio template development file. | Yes, if you are using a single file
DevList | A list file that specifies multiple development files to use. | Yes, if `DevFile` is not set
DevPath | The path to the directory containing the audio template development files. |
DiagFile | The file to write the diagnostic information to. |
DiagLevel | The level of detail to include in the diagnostic information. |
OutExt | The file extension to use for updated speaker template files. |
OutPath | The directory to write updated speaker template files to. |
OutTemplate | The file name to use for a single updated speaker template file. |
Sfreq | The sample frequency of the audio file to process. |
TemplateExt | The file extension to use for template files. |
TemplateFile | A single speaker template file to use to generate scores. | Yes, if `TemplateList` is not set
TemplateList | A list file that lists the speaker template files to use to generate scores. | Yes, if `TemplateFile` is not set
TemplateName | The name associated with the template file. | Yes, if `TemplateFile` is set
TemplatePath | The path to the directory that contains the template files. | Yes, if `TemplateList` is set and the templates are not in the default location (the `SpeakerIDDir` directory)

## Example

    http://localhost:15000/action=AddTask&Type=SpkIdDevelFinal&DevFile=speakers.ivd&TemplateList=ListManager/speakers&Bias=0.2

This action uses the development scores in `speakers.ivd` to calculate thresholds (using a `Bias` value of `0.2` when balancing recall against precision) for each speaker template specified in the speakers list. IDOL Speech Server updates the template files in place to contain the threshold values calculated.

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