Clear Speech
for your
Voice Agents

Voice AI breaks in the real world.
Background Noises. Side Talks. Mumbles.
We fix that.

Try it Free

ICCSMegaaopesCreed InfotechIkarus 3DGrassrootsDiverse Line ImpexICCSMegaaopesCreed InfotechIkarus 3DGrassrootsDiverse Line ImpexICCSMegaaopesCreed InfotechIkarus 3DGrassrootsDiverse Line ImpexICCSMegaaopesCreed InfotechIkarus 3DGrassrootsDiverse Line ImpexICCSMegaaopesCreed InfotechIkarus 3DGrassrootsDiverse Line ImpexICCSMegaaopesCreed InfotechIkarus 3DGrassrootsDiverse Line Impex

Better Audio.
Better Outcomes.

57%
Reduction in WER
10ms
Processing Latency
90%
Fewer wasted LLM calls

Multiple voices.
Only the Primary speaker gets through.

BACKGROUND NOISECROSS-TALKMURMURECHOPRIMARY SPEAKERWhat is my order status?What is my order status?arctanVOICE ISOLATIONVoice Agent

Every model.
Half the errors.

Only STT
With Arctan
AssemblyAI Universal-2
27.2%
15.8%
Cartesia Ink-Whisper
28.3%
14.4%
Deepgram Nova 3
24.1%
12.7%
Soniox STT Async v4
27.1%
11.9%
Speechmatics
25.9%
11.7%
Tested on real-world voice agent calls with background noise, side-talk, and mumbles. Full methodology available on request.

The industry's lowest WER.

Word Error Rate : lower is better

ArctanArctan
13.3%
ai-cousticsai-coustics
15.9%
KrispKrisp
16.7%
0%5%10%15%20%
Compared against other noise-suppression providers on real-world voice agent calls with background noise, cross-talk, and mumbles.

Enterprise-grade security.
From Cloud to Local.

SOC 2
SOC 2 Type 2
ISO 27001
ISO 27001

Native in the language
you ship in.

First-party SDKs for Node, Python, Rust, and C++.

LiveKitPipecat
View Docs
Python
from arctan import arctan_enhancer
await session.start(
agent=Assistant(),
room=ctx.room,
room_options=room_io.RoomOptions(
audio_input=room_io.AudioInputOptions(
noise_cancellation=arctan_enhancer.noise_canceller(
key=os.environ["ARCTAN_KEY"]
),
),
),
)
Arctan

Ready to ship Voice AI
that works?

Get started with Arctan for free, no credit card required. Or book a 30-minute call with our team.

Get a Demo