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# Unload a Language Pack

If you manually load a language pack, it remains in memory until you unload it.

To unload a language pack

1. Send an `UnloadLanguage` action with the `Name` parameter set to the name of the language that you want to unload.

   For example:

       http://localhost:13000/action=UnloadLanguage&Name=ENUS

   This action uses port `13000` to instruct IDOL Speech Server, which is located on the local machine, to unload the `ENUS` language pack.

2. To unload a custom language pack, you must also specify the names and weights of the custom language models as the value of the `CustomLM` parameter, and the name of the dictionary file as the value of the `DctFile` parameter.

   For example:

       http://localhost:13000/action=UnloadLanguage&Name=ENUS&CustomLM=hpe1:0.3:hpe2:0.4&DctFile=hpe

Note: IDOL Speech Server does not always unload the language immediately when you send an `UnloadLanguage` action. The resource is marked to unload and is automatically unloaded at some point determined by the server.

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