Developers' choice for integrating crystal-clear audio into audio and video calling apps, eliminating background noise while preserving speech quality.
Koala Noise Suppression is a noise suppression software that removes background noise from audio in real time while preserving and enhancing human speech.
Designed for communication apps, Koala Noise Suppression improves voice clarity during calls, meetings, recordings, and streams running across mobile, web, desktop, and embedded.
1koala = pvkoala.create(access_key)2
3while True:4 enhanced_audio = 5 koala.process(get_next_audio_frame())1Koala koala = new Koala.Builder()2 .setAccessKey(accessKey)3 .build(appContext);4
5while true {6 short[] enhancedAudioFrame =7 koala.process(getNextAudioFrame());8}1let koala = try Koala(accessKey)2
3while true {4 let enhancedAudio =5 try koala.process(getNextAudioFrame())6}1const koala = await KoalaWorker.create(2 accessKey,3 (enhancedPcm) => {4 // callback5 },6 {7 base64: koalaParams,8 // or9 publicPath: model_relative_path,10 }11);12
13WebVoiceProcessor.subscribe(koala);1pv_koala_init(2 access_key,3 model_path,4 &koala);5
6while (true) {7 pv_koala_process(8 handle,9 pcm,10 enhanced_pcm);11}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.
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.
Healthcare communication demands the highest audio clarity standards, where miscommunication can have serious consequences. Noise suppression technology supports telemedicine by ensuring clear transmission of patient symptoms and clearer patient communication, eliminating background noise from busy households during consultations, and improving audio quality for elderly patients who may have hearing difficulties.
Although Noise Suppression improves providers’ efficiency and reduces appointment time by eliminating audio-related communication delays, it shouldn’t jeopardize patient privacy. Koala Noise Suppression, with its minimal resource utilization, processes audio data locally on the device without sending it to 3rd part remote servers or introducing any additional latency, protecting the user data and guaranteeing natural conversations.
Choosing the best noise suppression software depends on the priorities such as:
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.
High-quality noise suppression actually improves overall voice quality by removing distracting background elements. However, when it’s not chosen or implemented right, it can fail to remove the noise, remove parts of speech along with noise, introduce artifacts or audio glitches, or cause robotic and muffled voice quality.
Koala Noise Suppression
Yes, Koala Noise Suppression is specifically designed for real-time applications.
Real-time noise suppression is essential for applications like video conferencing, live streaming, and voice calls, where any delay would disrupt the user experience. However, enterprises have to rely on hardware or OS vendors to offer noise suppression. In most cases, users need to enable noise suppression on their hand, leaving real-time app developers at the mercy of users’ ability to enable it. Koala Noise Suppression offers everything that effective real-time noise suppression should do:
Yes. You can use Koala Noise Suppression for offline noise reduction, as well.
Koala is designed and optimized to improve the quality of speech in real-time communication applications. Out-of-the-box features and performance may not meet the expectations for other use cases and applications. If you’re a Picovoice Enterprise Plan customer, reach out to your Picovoice Contact to work with Picovoice Consulting to get it optimized for your use case.
Picovoice docs, blog, Medium posts, and GitHub are great resources to learn about voice AI, Picovoice technology, and how to enhance speech quality. Enterprise customers get dedicated support specific to their applications from Picovoice Product & Engineering teams. While Picovoice customers reach out to their contacts, prospects can also purchase Enterprise Support before committing to any paid plan.