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OpenAI TTS Unsupported Language error when using OpenAI TTS API

The requested language is not supported by the TTS API.

Understanding OpenAI TTS API

The OpenAI Text-to-Speech (TTS) API is a powerful tool designed to convert text into natural-sounding speech. It is widely used in applications that require voice synthesis, such as virtual assistants, accessibility tools, and interactive voice response systems. The API supports a variety of languages and voices, allowing developers to create diverse and engaging audio content.

Identifying the Symptom: Unsupported Language Error

When using the OpenAI TTS API, you might encounter an error indicating that the language you requested is unsupported. This error typically manifests as an error message or code returned by the API, preventing the successful generation of speech from the input text.

Common Error Message

The error message might look something like this: {"error": "Unsupported Language"}. This indicates that the language specified in your request is not recognized by the API.

Exploring the Issue: Unsupported Language

The "Unsupported Language" error occurs when the language code specified in your API request does not match any of the languages supported by the OpenAI TTS API. This can happen if the language is not yet available in the API's language list or if there is a typo in the language code.

Root Cause

The root cause of this issue is the use of a language code that is not supported by the API. It is essential to verify that the language you intend to use is included in the API's list of supported languages.

Steps to Resolve the Unsupported Language Issue

To resolve this issue, follow these steps:

Step 1: Check Supported Languages

Visit the OpenAI TTS API documentation to view the list of supported languages. Ensure that the language you want to use is listed there.

Step 2: Verify Language Code

Double-check the language code you are using in your API request. Make sure it matches the format and spelling of the codes listed in the documentation. For example, use "en" for English or "es" for Spanish.

Step 3: Update Your API Request

Modify your API request to use a supported language code. Here is an example of how to structure your request:

{
"text": "Hello, world!",
"language": "en"
}

Step 4: Test Your Request

After updating your request, test it again to ensure that the error is resolved and the TTS API successfully generates the speech output.

Conclusion

By following these steps, you can effectively resolve the "Unsupported Language" error in the OpenAI TTS API. Always refer to the official OpenAI API documentation for the most up-to-date information on supported languages and other features. This will help you avoid similar issues in the future and ensure smooth integration of the TTS capabilities into your applications.

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OpenAI TTS Unsupported Language error when using OpenAI TTS API

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