The language of the new custom model. You create a custom model for a specific language, not for a specific voice. A custom model can be used with any voice for its specified language. Omit the parameter to use the the default language, en-US. Note: The ar-AR language identifier cannot be used to create a custom model. Use the ar-MS identifier instead. IBM Cloud: The Arabic, Chinese, Dutch, Australian English, and Korean languages and voices are supported only for IBM Cloud.
The language of the new custom model. You create a custom model for a specific language, not for a specific voice. A custom model can be used with any voice for its specified language. Omit the parameter to use the the default language,
en-US. Note: Thear-ARlanguage identifier cannot be used to create a custom model. Use thear-MSidentifier instead. IBM Cloud: The Arabic, Chinese, Dutch, Australian English, and Korean languages and voices are supported only for IBM Cloud.