Koala Noise Suppression

Remove noise and improve call quality with crisp and clear audio.

Production-ready noise suppression powered by deep learning, enhancing audio quality across platforms

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to start removing noise with Koala
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What is Koala Noise Suppression?

Koala Noise Suppression is noise cancellation software that removes background noise from audio in real time while preserving human speech.

Powered by deep learning, Koala Noise Suppression enables developers to enhance the quality of conversations on any platform.

Cross-platform Noise Suppression with native SDKs in seconds

Python
Android
iOS
JavaScript
C
koala = pvkoala.create(access_key)


while True:
  enhanced_audio = 
    koala.process(get_next_audio_frame())
Build with Python

Why Koala Noise Suppression?

The trade-off between quality and latency makes noise suppression challenging, leaving developers with only a few choices, all of which force a compromise.

Koala Noise Suppression is the only high-quality, real-time, cross-platform, and production-ready noise cancellation software available to any developer.

Never compromise on high-quality conversations

Elevated experiences with enhanced voice quality

Other Engines

  • 📶
    Traditional DSP
  • 🛑
    Behind “talk to sales”
  • ⚙️
    Hardware-centric
  • 🎞
    Post-production only
  • 💰
    “Low-cost” eval models

Koala Noise Suppression

  • 🧠
    Powered by deep learning
  • 🚀
    Ready to deploy
  • 🤸
    Cross-platform
  • ⏱
    Real-time
  • 💪
    Free Plan
Powered by deep learning

Scientifically proven speech quality

Make a decision based on numbers, not subjective claims. Koala Noise Suppression is five times more effective than Mozilla’s well-known RNNoise, as proven by the open-source benchmark.
Cross-platform

Scale Confidently

Expand without worrying about platform support. Koala Noise Suppression runs anywhere - including the web, mobile, desktop, single-board computers, on-premise, or the public cloud.
Real-time

Remove noise in real time

Enable high-quality real-time conversations with the efficient Koala Noise Suppression, achieving zero network, and minimal compute latency. Try the demo and see how Koalafied sound waves differ from the original as you speak.
Press the button
to start removing noise with Koala
Get started with

Koala Noise Suppression

Embed Koala Noise Suppression into your product in less than 10 minutes.

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  • Production-ready
  • Cross-platform SDKs
  • Real-time

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Choosing the Best Noise Cancellation: NVIDIA RTX Voice, Krisp, or Your Own?

Noise Suppression in Web Browsers

Babble Noise and the Cocktail Party Effect

Measuring Speech Intelligibility

Learn more about

Koala Noise Suppression

What is noise suppression?

Noise suppression, also known as noise reduction, noise cancellation, noise removal, speech enhancement, or speech denoising, combines techniques and tools to reduce or altogether remove unwanted sounds in the background while preserving human voice.

How can I select the best noise suppression software for streaming?

Choosing the best noise suppression software depends on the priorities such as:

  • Noise reduction quality,
  • Real-time vs offline availability,
  • OS compatability,
  • Support in case of questions, bugs, and issues,
  • Time-to-market.

Koala Noise Suppression is the only production-ready high-quality option that runs across platforms and is available in minutes, crossing off all items on the list.

Can I use Koala Noise Suppression for offline (post-production) noise reduction?

Yes. You can use Koala Noise Suppression for offline noise reduction, as well.

Which platforms does Koala Noise Suppression support?

How do I get technical support for Koala Noise Suppression?

Picovoice docs, blog, Medium posts, and GitHub are great resources to learn about voice AI, Picovoice technology, and how to enhance speech quality. You can report bugs and issues on GitHub. If you need help with developing your product, you can purchase the optional Support Add-on or upgrade your account to the Developer Plan.

How can I get informed about updates and upgrades?

Version changes appear in the and LinkedIn. Subscribing to GitHub is the best way to get notified of patch releases. If you enjoy building with Koala Noise Suppression, show it by giving a GitHub star!