When I call with my partner, I can hear them clearly. But in the VAPI recording, they are barely audible, if even at all. Is there a way to set a lower threshold for the incoming speech?

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Do you have a recording? Are you using twilio? I've noticed this but didn't find a solution to the input voice quality

mind sharing the audio recording url

Yes of course

@Kirubel Gebre Yes, that's correct. If you're using Twilio as your service provider for VAPI, they do offer various settings that can affect the quality of your recordings, including volume and speech detection thresholds. For the issue you're experiencing with the recording at specific timestamps where speech is not being picked up, it's possible that the input volume of the caller's voice is too low or that there's some noise suppression happening that's affecting the recording quality. Twilio provides a feature called

dual-channel recording

, which records the incoming and outgoing audio in separate channels. This can be helpful in situations where one party is not being recorded clearly. If you're not already using this feature, it might be worth enabling it to see if it improves the clarity of the recordings. Additionally, Twilio has a

trim

option that can be set to

do-not-trim

to ensure that the recording captures the entire call without cutting off any audio that might be considered silence. If you're still facing issues after exploring these settings, it would be best to reach out to Twilio's support team for further assistance. They can provide more specific guidance and help troubleshoot the problem based on the details of your account and usage. Would you like to proceed with adjusting the settings, or should I assist you in contacting Twilio support for more detailed help?

I am wondering if this speech issue also exists during calls, and that is the reason why the voice assistant sometimes doesn't pick up the speech. Do these configurations also make a change there?

@Kirubel Gebre In the context of Twilio and VAPI, the ability to adjust audio settings like microphone sensitivity and speech threshold is not typically associated with the phone number itself, whether it's an imported number or one provisioned directly through Twilio. These settings are usually managed through the application logic that handles the voice calls, which can include Twilio's Programmable Voice APIs or other components of your voice application. The phone number is just an identifier for routing calls and does not inherently have adjustable audio settings. For issues with speech detection during calls, which could affect both the recordings and the voice assistant's ability to pick up speech, you would need to look into the configurations of your voice application. This could involve examining the code that interacts with Twilio's APIs, checking for any settings related to audio processing, and ensuring that the voice assistant's speech recognition is properly configured to handle variations in speech volume and clarity. If you're experiencing issues with speech detection during live calls, it's important to review the application logic and possibly consult Twilio's documentation or support for guidance on optimizing speech recognition performance. To clarify, an imported Twilio phone number should not limit your ability to manage these aspects of your voice application. If you need further assistance with these configurations or if you're unsure how to proceed, reaching out to Twilio support would be the best course of action. They can provide specific advice based on your implementation and help you ensure that your voice assistant is optimally configured for speech detection during calls. Would you like to explore the application logic and settings further, or should I guide you on how to contact Twilio support for more in-depth assistance?

change your voice provider it will solve the issue