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# ClusterSpeech

The `ClusterSpeech` task clusters wide-band speech into speaker segments. For example, if two speaker clusters are identified, the output labels are `Cluster_0` and `Cluster_1` respectively.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `ClusterSpeech`. | Yes
AppDnnBase | The location of the `appResources` directory, which contains the DNN and `.ian` files to use. |
File | The input audio file. |
FixTime | A fixed size for speaker clusters. |
FrameDupl | The balance between performance and speed for audio preprocessing DNN classification. |
Lang | The name of a language pack. | Yes
MaxNumSpeakers | The final maximum number of speakers to produce. |
MergeThresh | The threshold below which to merge clusters. |
MinNumSpeakers | The final minimum number of speakers to produce. |
Out | The file that HPE IDOL Speech Server writes task output to. |
SilThresh | The threshold between what the task identifies as silence and non-silence. |
SpeechThresh | The threshold between speech and non-speech (music or noise). |
SugdInputChannels | The channel layout of the input media file. |
SugdInputFrequency | The sampling rate of the input media file. |

## Example

`http://localhost:15000/a=AddTask&Type=ClusterSpeech&File=wide.wav&lang=ENUK&out=outWide`

This action uses port `15000` to instruct HPE IDOL Speech Server, which is located on the local machine, to cluster the data in the `wide.wav` wide-band audio file into speaker segments, and to write the results to the `outWide` output file.

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