#debug please asterisk & elevenlabs agent: 1.py466 - [TX->EL Chunk 96] Sending 160 bytes of 'ulaw_

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cobalt lintelBOT
#
AI-generated Answer for darnoq.

The logs indicate that the WebSocket connection between your Asterisk system and ElevenLabs is being closed with an error (Code=1008, Reason='Invalid message received'). This suggests that the data being sent to ElevenLabs is not in the expected format or structure. Below are some debugging steps to help resolve the issue:

1. Verify Audio Format

  • ElevenLabs requires the audio to be in the correct format (ulaw_8000 in this case). Ensure that the transcoding process from slin_8000 to ulaw_8000 is functioning correctly.
  • Double-check the transcoded audio data. You can test the output by saving it to a file and playing it back to confirm it is valid and not corrupted.

2. Check Base64 Encoding

  • The log shows that the audio chunk is being Base64-encoded before being sent. Ensure that the Base64 encoding is correct and does not introduce any errors.
  • You can decode the Base64 string and verify that it matches the original audio data.

3. Validate WebSocket Payload

  • The payload being sent to ElevenLabs must conform to the expected structure. For example, the user_audio_chunk field should contain properly encoded audio data.
  • Ensure that the JSON payload is correctly formatted and does not contain any invalid or unexpected fields.

4. Inspect WebSocket Initialization

  • Confirm that the WebSocket connection is initialized correctly with the required parameters, such as voice_settings and xi_api_key.
  • If you are using a custom implementation, compare it with the standard WebSocket example provided by ElevenLabs to ensure compliance.

5. Handle WebSocket Responses

  • The server is responding with a CLOSE frame and the reason Invalid message received. This indicates that the server detected an issue with the incoming message.
  • Implement error handling to log the exact response from the server and identify what part of the message is invalid.

6. Test with Smaller Chunks

  • The logs show that 97 chunks were sent, totaling 15,520 audio bytes. Try reducing the chunk size to see if the issue persists. Smaller chunks may help isolate the problem.

7. Review WebSocket Closing Behavior

  • The WebSocket connection is being closed prematurely. Ensure that your code properly handles the CLOSE frame and does not attempt to send additional data after the connection is closed.

8. Use Debugging Tools

  • Use tools like Wireshark or a WebSocket debugger to inspect the raw data being sent and received. This can help identify discrepancies in the payload.

9. Consult ElevenLabs Documentation

  • Refer to the API References for details on the expected WebSocket payload structure and audio format requirements.

If the issue persists after these steps, consider sharing a minimal reproducible example of your implementation with ElevenLabs support for further assistance.

lucid token
#

what sholud be the structure of payload message

cobalt lintelBOT
#
AI-generated Answer for darnoq.

The error Invalid message received (Code1008) indicates that the payload sent to ElevenLabs does not match the expected structure or format. To resolve this, you need to ensure that the payloades to the API's requirements.

For ElevenLabs' real-time streaming API, the payload structure for sending audio chunks typically looks like this:

Payload Structure

{
  "user_audio_chunk": "<Base64_encoded_audio_chunk>"
}

Key Points:

  1. user_audio_chunk: This field should contain the audio data encoded in Base64 format. Ensure the audio is in the correct format (e.g., ulaw_8000 in your case) before encoding it.
  2. Audio Format: The audio must match the format specified in the API documentation. For example:
    • Sampling rate: 8000 Hz
    • Encoding: μ-law (ulaw)
  3. Chunk Size: Ensure the audio chunk size is appropriate. Sending chunks that are too large or too small may cause issues.
  4. WebSocket Connection: Ensure the WebSocket connection is properly established before sending the payload.

Debugging Steps:

  • Verify that the audio is correctly transcoded to ulaw_8000 before Base64 encoding.
  • Check that the Base64-encoded string is valid and does not contain extra characters or invalid data.
  • Confirm that the WebSocket connection is open and ready to receive messages before sending the payload.
  • Review the API documentation to ensure compliance with any additional requirements.

If the issue persists, you may need to log the exact payload being sent and compare it with the expected format in the ElevenLabs API documentation. You can find more details in the API References.

lucid token
#

what is the recomended chunk size?