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# SpkIdEvalStream

After you have trained a set of speaker templates, use the `SpkIdEvalStream` task to identify any sections of an audio stream where the trained speakers are present.

Note: To process an audio file, use the SpkIdEvalWav task.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `SpkIdEvalStream`. | Yes
AllowEmpty | Whether to produce gender labels as output if no speakers are specified. |
ClosedSet | Whether the task that you are running is a closed-set test. |
DiagFile | The name of the file to write diagnostic information to. |
DiagLevel | The level of detail to include in the diagnostic information. |
DiscardShort | Exclude segments shorter than a specific duration from further analysis. |
MinNonSpeech | The minimum size in seconds of non-speech segments. |
MinSpeech | The minimum size in seconds of speech segments. |
Out | The file to write the results to. |
Sfreq | The sample frequency of the audio stream to process. |
TemplateExt | The file extension to use for updated template files. |
TemplateList | A list file that lists multiple speaker template files to use. | Yes, if `TemplateSet` is not specified
TemplatePath | The path to the directory containing the speaker templates. |
TemplateSet | An audio template set file. | Yes, if `TemplateList` is not specified
ThreshScale | The rate at which to scale the thresholds. |

## Example

`http://localhost:15000/action=AddTask&Type=SpkIdEvalStream&File=C:\Data\Speech.wav&TemplateSet=speakers.ats&ClosedSet=False&Out=results.ctm`

This action uses port `15000` to instruct HPE IDOL Speech Server, which is located on the local machine, to search the audio stream for speakers based on the template set file `speakers.ats`, and to write the identification results to the `results.ctm` file. Because the test is set to be open-set, HPE IDOL Speech Server marks sections where no speaker scores above their respective thresholds as `Unknown_`.

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