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# Recognize Audio Clips

NOTE:

Before IDOL Speech Server can recognize audio clips, you must train the Speech Server. For information about training IDOL Speech Server, refer to the IDOL Speech Server Administration Guide.

To recognize audio clips

1. Create a new configuration to send to HPE Media Server with the `process` action, or open an existing configuration that you want to modify.

2. In the `[Analysis]` section, add a new analysis task by setting the `AnalysisEngineN` parameter. You can give the task any name, for example:

       [Analysis]
       AnalysisEngine0=AudioMatch

3. Create a new section to contain the settings for the task and set the following parameters:

   `Type` | The analysis engine to use. Set this parameter to `AudioMatch`.
   `Input` | (Optional) The audio track to analyze. If you do not specify an input track, HPE Media Server processes the first track of the correct type produced by the ingest engine.
   `Pack` | The name of the audio fingerprint database to use for recognizing audio clips. You must train Speech Server before configuring HPE Media Server.
   `AudioMatchServers` | The host name and ACI port of the Speech Server(s) to use for audio matching. Separate the host name and port with a colon (for example, `speech:15000`). You can specify multiple IDOL Speech Servers by using a comma-separated list. HPE Media Server can connect to only one IDOL Speech Server at a time, but you can provide multiple servers for failover. TIP: You can specify a default IDOL Speech Server to use for all audio match tasks by setting the `AudioMatchServers` parameter in the `[Resources]` section of the HPE Media Server configuration file.
   `SampleFrequency` | (Optional) The sample frequency of the audio to send to the IDOL Speech Server for analysis, in samples per second (Hz).

   For example:

       [AudioMatch]
       Type=AudioMatch
       Pack=Music
       AudioMatchServers=speech:15000
       SampleFrequency=16000

   For more information about the parameters that you can use to configure audio matching, refer to the HPE Media Server Reference.

4. Save and close the configuration file. HPE recommends that you save your configuration files in the location specified by the `ConfigDirectory` parameter.

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