Resolving the Invalid audio received error
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Updated at December 17, 2025
Issue description
When you make a request to recognize a file, you see this error in the service response:
{
"code": 3,
"message": "Invalid audio received"
}
Solution
This error means that the audio file data has been encoded by an unsupported codec. For more information on the supported audio formats and codecs, see this article.