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# IvSpkIdDevelWav

The `IvSpkIdDevelWav` task processes a single audio file to generate scores for tuning iVector thresholds.The task generates a single iVector development score file (`.ivd`). You can append the scores to an existing `.ivd` file.

You can score the audio against one or more iVector template files (`.iv`).

For more information on development score files, see the HPE IDOL Speech Server Administration Guide.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `IvSpkIdDevelWav`. | Yes
Append | Whether to append speaker scores for each audio file to a common `.ivd` file. |
FrameDupl | The balance between performance and speed for audio preprocessing DNN classification. |
DataLabel | The name of the speaker that the audio is associated with. | Yes
DevFile | The name of the audio template development file. | Yes
DiagFile | The name of the file to write diagnostic information to. |
DiagLevel | The level of detail to include in the diagnostic information. |
File | The audio file that contains the speaker example speech. | Yes
LabFile | A single label file to use. |
LabType | The type of labels to use. |
MinLen | The minimum length of an audio segment. |
Sfreq | The sample frequency of the audio file to process. |
SugdInputChannels | The channel layout of the input media file. |
SugdInputFrequency | The sampling rate of the input media file. |
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)
Win | The size of each audio segment. |

## Example

    http://localhost:15000/action=AddTask&Type=IvSpkIdDevelWav&File=C:/Data/BrownSpeech4.wav&Label=Brown&TemplateList=ListManager/speakers&DevFile=speakers.ivd

This action uses port 15000 to instruct HPE IDOL Speech Server, which is located on the local machine, to generate match statistics for the speaker named `Brown` by checking the example speech in `BrownSpeech4.wav` against the speaker templates specified in the speakers list, and writing the results to the `speakers.ivd` development file.

To process streamed audio, use the IvSpkIdDevelStream task.

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