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# IvSpkId

The `IvSpkId` task performs iVector-based speaker identification on an audio file, or on any sections of an audio stream where the trained speakers are present.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `IvSpkId`. | Yes
AllowEmpty | Whether to produce gender labels as output if no speakers are specified. |
AudioUpsampling | Whether to allow audio upsampling if the input audio has a sample rate too low for the task. |
DiagFile | The file to write the 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. |
EndTime | The end of an audio section to process. |
File | The audio file to process. | Yes, if InputType is `File`.
FrameDupl | The balance between performance and speed for audio preprocessing DNN classification. |
InputType | The type of audio to process (file, binary data, or stream). |
MaxNonSpeech | The maximum length of non-speech segments. |
MaxSpeech | The maximum length of speech segments. |
MinNonSpeech | The minimum length of non-speech segments. |
MinSpeech | The minimum length of speech segments. |
Out | The file to write the results to. |
ScoreMode | The scoring method to use for speaker identification. |
Sfreq | The sample frequency of the audio stream to process. |
StartTime | The beginning of an audio section to process. |
SugdInputChannels | The channel layout of the input media file. This parameter does not apply when InputType is `Stream`. |
SugdInputFrequency | The sampling rate of the input media file. This parameter does not apply when InputType is `Stream`. |
TemplateExt | The file extension to use for template files. |
TemplateList | A list file that lists multiple speaker template files to use. |
TemplatePath | The path to the directory containing the speaker templates. |
TemplateSet | An audio template set file. |
ThreshScale | The rate at which to scale the thresholds. |

## Examples

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

This action searches the `Speech.wav` file for speakers based on the template set file `speakers.ivs`, and writes the identification results to the `results.ctm` file.

`http://localhost:15000/action=AddTask&Type=IvSpkId&InputType=Stream&TemplateSet=speakers.ivs&Out=results.ctm`

This action searches the audio stream for speakers based on the iVector-based template set file `speakers.ivs`, and writes the identification results to the `results.ctm` file.

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