Fewer false triggers
Up to 80% fewer false positives than standard VAD, even with background speech and competing voices.
Reliable turn detection
Real-time on CPU
VAD 2.0
Noise-robust voice activity detection
Stronger, more robust VAD, designed to work without separate de-noising tools. Outperforms Silero VAD, ensuring your voice agent hears everything, even in complex, real-world environments.
VAD Voice Focus
Voice activity detection for the primary speaker
Primary speaker VAD in real-time, ignoring background speech and competing voices. Cuts false triggers by up to 80% compared to standard VAD models.
One SDK. Integrated in minutes.
Lightweight and fast: 30ms latency, no GPU needed, no ONNX dependency.
Built for your stack
Native integrations for every major framework.
Your questions, answered
Find everything you need to know about Quail and ai-coustics SDK
What is ai-coustics and what problem does it solve for voice AI?
What is Quail Voice Focus? How is it different from noise cancellation?
Which speech enhancement model should I use for voice agents?
Does ai-coustics improve speech-to-text accuracy?
Why can I still hear some background noise after processing?
Can I deploy ai-coustics speech enhancement on-premise?
How do I evaluate ai-coustics Voice AI speech enhancement?
What programming languages does the ai-coustics SDK support?
Does ai-coustics work with LiveKit, Pipecat, and custom pipelines?
How does ai-coustics handle different languages or accents?



