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# Run Audio Analysis

As an alternative to using the different individual audio preprocessing options, you can use the `audioAnalysis` task to run all the audio preprocessing tasks that are supported by the `audiopreproc` module in a single task.

To run audio analysis

- Send an `AddTask` action to HPE IDOL Speech Server, and set the following parameters:

  File | The audio file to process.
  Out | The XML file to write the audio analysis summary results to.

For example:

`http://localhost:13000/action=AddTask&Type=AudioAnalysis&File=C:\data\Sample.wav&Out=SampleAnalysis.xml`

This action uses port `13000` to instruct HPE IDOL Speech Server, which is located on the local machine, to perform audio analysis on the `Sample.wav` file and to write the results to the `SampleAnalysis.xml` file.

The `AudioAnalysis` task also produces an additional audio classification `.ctm` file. By default, this file has the same name as the task token. You can use the `GetResults` action with the `label` parameter set to `class` to retrieve this file.

For more information, see the HPE IDOL Speech Server Reference.

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