Vapi helps developers build, test, and deploy voice agents at scale. We enable everything in between the raw models and production, including telephony, test suites, and real-time analytics.
To create an AI agent that feels as close to human interaction as possible, it's important to focus on several key aspects:
Natural conversation flow: Use advanced language models that can understand context, nuance, and intent, allowing the AI to respond in a way that feels natural and engaging.
Voice quality: High-quality text-to-speech and speech-to-text components help the AI sound more human and understand users accurately.
Low latency: Fast response times are crucial for smooth, real-time conversations.
Personalization: The ability to remember details and adapt to individual users makes interactions feel more authentic.
Function calling: Integrating the AI with external systems so it can perform actions or retrieve information during the conversation adds to the realism.
Platforms like Vapi are designed to help developers build voice AI agents with these capabilities by offering modular tools for integrating speech and language technologies, managing workflows, and ensuring efficient communication. Focusing on these elements will help you create an AI agent that closely mimics human interaction.
Hi @Duckie How can i increase the voice quality (bitrate) of the audio that is heard in the conversation? I'm using 11Labs, but still when i Actually use 11Labs AI Agents offering the voice quality is way way better and my clients prefer it. I hate to leave VAPI because of this but I might not have any other options. Please help me ASAP, perhaps I'm missing some feature ???
ps. From my clients stand point, if it sounds crisp and clear it's more like a human, if voice has kinda diffused or noise, it sounds more "robotic" to them.
Other then this latency is the second part and non "dumb" repetition is another part.
Thanks for reaching out and for sharing this feedback — totally understand how important natural, high-quality voice output is for your clients.
You could try testing a different voice provider or voice configuration to improve clarity. For example:
**Vapi voice provider** – optimized for conversational latency and stability.
**Cartesia** – known for very natural prosody.
**Alternate ElevenLabs voices** – some voices are higher bitrate and sound more human-like in real-time streaming.
As for the latency and repetition issues, we’d like to investigate further. Could you please share a call ID where you noticed this behavior? Once we have that, we can review the logs and identify what’s causing the delay.
Looking forward to helping you fine-tune the setup.