Google Cloud Speech to Text (transcript audio)

How To
1

Hello,

I receive an audio .wav file voicemail via email (as an attachment).

I have an email scenario which is getting the attachment, and as output I get file name and data (i think is binary):

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I want to transcript this audio (speech to text) using Google Cloud Speech module:

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I set up Google Cloud Speech module like this, passing the File Name and Audio Data from the email scenario:

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I run the scenario and I get this error:

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Can someone help me please? Thanks!

2

The file type of the audio is not supported it seems. Perhaps have the recording be sent in different format or find another application to convert the audio file?