# ai-coustics > B2B audio infrastructure for voice AI. Provides real-time speech enhancement, voice isolation, > and audio preprocessing via on-device SDK. Designed to run before VAD and ASR in voice agent > pipelines (LiveKit, PipeCat, custom stacks) to improve transcription accuracy, reduce latency, > and stabilize turn-taking. ## Products - [Quail](https://ai-coustics.com/quail): Real-time enhancement optimized for machines (ASR + VAD). Reduces noise, isolates foreground speaker (Voice Focus), improves WER. <30ms latency, CPU-only, language-agnostic. - [Rook](https://ai-coustics.com/rook): Enhancement optimized for human listening (call recordings, media). - [Benchmarks](https://ai-coustics.com/benchmarks): Performance comparisons across noise conditions, ASR accuracy, and latency. ## Integration - SDK: C++, Rust, Python, Node.js, WebAssembly - Drop-in layer before VAD and ASR in existing pipelines - Compatible with LiveKit (cloud + self-hosted), PipeCat, custom stacks - Runs fully on-device — no audio leaves the system ## Developer Resources - [SDK Tutorial](https://ai-coustics.com/blog/ai-coustics-sdk-tutorial-four-steps): Step-by-step integration guide - [SDK for Voice Agents](https://ai-coustics.com/blog/sdk-fixing-audio-input-for-voice-agents): Improving voice agent input quality ## Company - [About](https://ai-coustics.com/about) - [Pricing](https://ai-coustics.com/pricing) - [Book a Demo](https://ai-coustics.com/book-demo) - [Contact](https://ai-coustics.com/contact) - [Blog](https://ai-coustics.com/blog) - [Voice AI Glossary](https://ai-coustics.com/glossary) ## Legal - [Privacy Policy](https://ai-coustics.com/legal/privacy-policy) - [Terms of Service](https://ai-coustics.com/legal/terms) - [Legal Notice](https://ai-coustics.com/legal/legal-notice)