Cleaner input. Smarter output.

Cleaner input. Smarter output.

Real-time audio intelligence that makes Voice AI work in production. Not just in the lab.

Real-time audio intelligence that makes Voice AI work in production. Not just in the lab.

Bad audio breaks voice agents

Bad audio breaks voice agents

Benchmark-leading performance in real-world conditions where audio quality matters most.

Benchmark-leading performance in real-world conditions where audio quality matters most.

Up to 30% fewer word errors

Quail keeps agents responsive even in noisy-environments.

Outperforms Silero VAD

In accuracy, balance, and reliability.

30ms latency

Executes real-time inference at 48kHz for seamless dialogue.

Built by audio engineers

Built by audio engineers

Trained on real-world acoustic variability by audio and ML experts for reliable performance in live production systems.

Trained on real-world acoustic variability by audio and ML experts for reliable performance in live production systems.

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.

Test now

Drop-in

Try for free now in our Developer Platform

Test models, generate SDK keys and deploy from one dashboard.

SDK Keys interface

Test now

Drop-in

Try for free now in our Developer Platform

Test models, generate SDK keys and deploy from one dashboard.

Test now

Drop-in

Try for free now in our Developer Platform

Test models, generate SDK keys and deploy from one dashboard.

Meet our models

Meet our models

Meet our models

Best-in-class speech enhancement engineered for accuracy, reliability, and scale.

Best-in-class speech enhancement engineered for accuracy, reliability, and scale.

Best-in-class speech enhancement engineered for accuracy, reliability, and scale.

Quail

Speech-to-Text Primer

Speech enhancement designed to improve STT accuracy across challenging environments. Reduce your Word Error Rate by as much as 30%.

Quail

Speech-to-Text Primer

Speech enhancement designed to improve STT accuracy across challenging environments. Reduce your Word Error Rate by as much as 30%.

Quail

Speech-to-Text Primer

Speech enhancement designed to improve STT accuracy across challenging environments. Reduce your Word Error Rate by as much as 30%.

Quail VAD

Voice Activity Detection

Stronger, more robust VAD, designed to work without separate de-noising tools. Ensure your voice agent hears everything, even in complex, real-world environments.

Quail VAD

Voice Activity Detection

Stronger, more robust VAD, designed to work without separate de-noising tools. Ensure your voice agent hears everything, even in complex, real-world environments.

Quail VAD

Voice Activity Detection

Stronger, more robust VAD, designed to work without separate de-noising tools. Ensure your voice agent hears everything, even in complex, real-world environments.

Quail Voice Focus

Voice Isolation

Suppress competing voices and isolate your foreground speaker for the best voice agent results. Audio enhancement built for real-world acoustics.

Quail Voice Focus

Voice Isolation

Suppress competing voices and isolate your foreground speaker for the best voice agent results. Audio enhancement built for real-world acoustics.

Quail Voice Focus

Voice Isolation

Suppress competing voices and isolate your foreground speaker for the best voice agent results. Audio enhancement built for real-world acoustics.

Powering leading voice stacks

Powering leading voice stacks

Trusted by Voice AI teams to deliver production-ready speech enhancement in real-time.

Trusted by Voice AI teams to deliver production-ready speech enhancement in real-time.

Final logo

Bring real-time audio intelligence into your voice AI stack

Bring real-time audio intelligence into your voice AI stack