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Rev.ai Invalid Audio Format

Unsupported audio file format uploaded for processing.

Understanding Rev.ai: A Powerful Voice AI API

Rev.ai is a leading Voice AI API that provides developers with the ability to integrate speech-to-text capabilities into their applications. It is widely used for transcribing audio files into text, making it an essential tool for applications that require voice recognition and transcription services.

Identifying the Symptom: Invalid Audio Format

When using Rev.ai, you might encounter an error indicating an 'Invalid Audio Format'. This error typically occurs when the audio file uploaded for processing is not in a format supported by Rev.ai.

Common Error Message

The error message you might see is: 'Invalid Audio Format: The uploaded audio file is not supported.'

Exploring the Issue: Unsupported Audio File Format

The root cause of this issue is the use of an unsupported audio file format. Rev.ai supports specific audio formats such as WAV and MP3. If your audio file is in a different format, Rev.ai will not be able to process it, resulting in the error.

Supported Audio Formats

  • WAV
  • MP3

For a complete list of supported formats, refer to the Rev.ai documentation.

Steps to Fix the Issue: Converting Audio Files

To resolve the 'Invalid Audio Format' error, you need to convert your audio files to a supported format before uploading them to Rev.ai. Here are the steps to do so:

Step 1: Identify the Current Format

First, determine the current format of your audio file. You can do this by checking the file extension or using a tool like MediaInfo to inspect the file properties.

Step 2: Convert the Audio File

Use a conversion tool to change the audio file to a supported format. Here are some options:

  • Audacity: A free, open-source audio editor that can export files in WAV or MP3 format.
  • FFmpeg: A command-line tool that can convert audio files. Use the command: ffmpeg -i inputfile.ext outputfile.wav

Step 3: Upload the Converted File

Once the file is converted, upload it to Rev.ai for processing. Ensure that the file is correctly formatted and that the upload process completes without errors.

Conclusion

By following these steps, you can resolve the 'Invalid Audio Format' error and ensure that your audio files are correctly processed by Rev.ai. For more detailed guidance, visit the Rev.ai documentation.

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