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# IvSpkIdDevelStream

The `IvSpkIdDevelStream` task takes a single audio stream, along with the name of the speaker the stream is associated with, and generates 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`).

NOTE:

To process audio from a file, use the IvSpkIdDevelWav task.

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 `IvSpkIdDevelStream`. | Yes
Append | Whether to append speaker scores for each audio file to a common `.ivd` file. |
DataLabel | The name of the speaker that the audio is associated with. | Yes
DevFile | The name of the iVector 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. |
FrameDupl | The balance between performance and speed for audio preprocessing DNN classification. |
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. |
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=IvSpkIdDevelStream&DataLabel=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 create the `Brown.ivd` template file for the audio stream.

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