Noise Reducer: Denoise Audio

KnotSmith Ltd

In-app purchases

About this app

Denoise Pro is an AI audio and video noise reduction app that helps you remove background noise, enhance vocals, and improve sound clarity in seconds.

If you are searching for a way to remove noise from video, denoise audio recordings, reduce microphone hiss, or clean podcast sound, Denoise Pro is built for exactly that.

Professional-grade stability for large-file workflows:
- Stable processing for video files over 4GB
- Stable processing for audio files over 2 hours

Remove common noise types:
1. Background and environmental noise: wind noise, fan noise, hum, hiss, buzz, whine, room noise.
2. Sudden unwanted sounds: car horns, dog barks, baby crying, phone ringing, footsteps.
3. Device interference: microphone noise, speaker artifacts, headphone interference.
4. Other distractions: echo and unwanted background music.

Key Features:
1. Universal audio and video import: Gallery/Files, the built-in recorder, Share from other apps, and Wi-Fi transfer from a computer.
2. One-tap AI noise removal for audio and video.
3. Voice-preserving denoise that keeps speech natural, clear, and non-robotic.
4. Vocal clarity and volume enhancement for louder, cleaner output.
5. On-device AI processing for privacy-first noise reduction.
6. High-quality export with lossless, 320kbps, and other high-bitrate options.
7. Fast workflow for creators, interviews, meetings, and voice recordings.

Perfect for:
- Podcasters: clean podcast recordings, remove room noise and mic hiss, and improve spoken voice clarity for episodes and interviews.
- YouTubers: remove background noise from YouTube videos, fix voice audio, and make commentary or tutorial sound more professional.
- Vloggers: reduce wind noise and street noise in travel or daily vlogs for clearer outdoor video audio.
- Content creators: improve audio quality for reels, shorts, livestream clips, and social media video content.
- Musicians: denoise vocal takes, demo tracks, and rehearsal recordings while preserving natural tone and detail.
- Journalists: clean field interviews, press recordings, and voice notes captured in noisy environments.
- Students and online teachers: improve lecture recordings, online class videos, and study notes for better speech intelligibility.
- Remote workers and teams: reduce meeting noise in Zoom or webinar recordings for clearer call replays and presentations.
- Anyone who needs professional audio cleanup: quickly remove unwanted noise from voice recordings, videos, and long-form audio files.

Supported formats:
1. Audio: mp3, wav, aac, m4a and more.
2. Video: mp4, mov, m4v, avi, mpeg and more.

How to clean noisy audio or video in 3 steps:
1. Import your recording.
2. Tap once to remove noise and enhance voice.
3. Export clean, high-quality audio.

Frequently asked:

How can I remove background noise from a video?
Denoise Pro automatically detects and reduces wind, hum, hiss, and other background sounds while preserving speech.

Can I clean long recordings like podcasts or interviews?
Yes. Denoise Pro supports audio files over 2 hours and video files over 4GB.

Does Denoise Pro protect privacy?
Yes. Processing runs on-device, so your files stay on your phone.

Can I use it for podcast editing and YouTube audio cleanup?
Yes. Denoise Pro is designed for podcast noise reduction, YouTube voice cleanup, and creator workflows.

Terms of use: https://denoise.knotsmith.app/terms_of_use/
Privacy policy: https://denoise.knotsmith.app/privacy_policy/

What’s new

Much faster noise reduction. Enjoy excellent noise reduction even with the fastest model.