Blog

Stay updated with the latest insights on AI-powered audio enhancement, speech clarity, and noise reduction.

Stay updated with the latest insights on AI-powered audio enhancement, speech clarity, and noise reduction.

All

Company updates

Research

Product

Case studies

Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient
Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

Introducing the new Quail VAD 2.0: Robust speech detection for real-time voice AI

Quail VAD 2.0 is a standalone, noise-robust voice activity detector built for production voice AI - a drop-in Silero alternative that holds steady where energy-based VADs misfire.

Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient
Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

How telli powers enterprise Voice AI with LiveKit and ai-coustics

At enterprise scale, bad audio becomes expensive. See how telli uses ai-coustics to improve voice agent reliability across millions of calls.

Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient
Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

Quail Voice Focus 2.1 brings 10x more efficient speaker isolation to voice agents — without the performance trade-off.

Header image for a blog titled ‘Voice Focus 2.0 + Native LiveKit Integration: Production-ready voice agents are here’ displaying jointly logos of ai-coustic and LiveKit
Header image for a blog titled ‘Voice Focus 2.0 + Native LiveKit Integration: Production-ready voice agents are here’ displaying jointly logos of ai-coustic and LiveKit

Voice Focus 2.0 + Native LiveKit Integration: Production-ready voice agents are here Copy

Quail Voice Focus 2.0 launches with native LiveKit integration, bringing foreground speaker isolation and reliable audio to production voice agents.

Dark background with ai-coustics logo and text: Behind Quail Voice Focus 2.0: Technical benchmark and evaluation
Dark background with ai-coustics logo and text: Behind Quail Voice Focus 2.0: Technical benchmark and evaluation

Behind Quail Voice Focus 2.0: Technical benchmark and evaluation

A technical deep dive into Quail Voice Focus 2.0. See benchmarks, training methods, and how foreground speaker isolation improves ASR and VAD.

Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient
Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

How Synthesia scaled voice cloning quality by improving audio at the source

When Synthesia reduced training data to 30 seconds, recording inconsistencies became critical. See how audio preprocessing improves voice clone stability.

Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient
Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

What Word Error Rate tells us about Voice AI quality in production

In Voice AI, sounding clean isn’t enough. We explain what’s Word Error Rate and why transcription accuracy matters more than perceptual audio quality.

Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient
Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

Simplifying audio enhancement for voice AI: Human vs. machine models explained

Speech enhancement for human perception is not the same as for machines. Learn the difference between Rook and Quail and how to choose the right SDK model.

Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient
Branded blog title image that says: Quail Voice Focus 2.1: New flagship speaker isolation, 10x more efficient

Get started with the ai-coustics SDK in four simple steps

Want to test speech enhancement in your pipeline? This guide shows how to set up the ai-coustics SDK and run your first Quail test.

Final logo

Bring real-time audio intelligence into your voice AI stack

Bring real-time audio intelligence into your voice AI stack

Bring real-time audio intelligence into your voice AI stack