2017
10/12
Brusfri Noise Reducer App
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Brusfri* is a highly advanced audio noise reducer, packed into a simple and straight-forward interface. It is very well suited for cleaning up noisy audio recordings, while retaining sound quality. Unlike many other noise reducers on the market, Brusfri doesn’t mess with audio phasing to suppress noise (a technique that often comes with audible side effects). Instead, multiple fine-tuned gates are used to silence unwanted noise.

*Brusfri means “Noise free” in Swedish.

IMPORTANT! Brusfri is currently AUv3 only, which means it won’t work in stand alone mode. It must be used as a plugin with Garageband, Cubasis, Auria, AUM, AudioBus 3 (not AudioBus 2) or any AUv3 compatible host. If you’re not sure what AUv3 is, do not buy this app.

Here are some examples of sound conditions that Brusfri handles well:

* Guitar amp
* Noisy vintage gear
* Boosted pre-amp
* iPhone/iPad and external mic hiss
* Room reverb removal
* Fan noise
* Background ambiance
* Mains hum / Electric hum

Press “Learn” during a couple of seconds of isolated noise to record a “profile” for noise.

Use:

Open Brusfri in any AUv3 compatible host.
Find a region in the recording that only contains noise and play it.
Tap and hold the “LEARN” button for a short while (a second will be enough)
When the LEARN button is released, Brusfri starts reducing noise.

There is also a bunch of parameters available that affects the noise reduction algorithm:

ATK / THRS / REL (Attack Time / Threshold / Release Time)

Threshold – basically determines how much noise to be removed. A lower value means more reduction

Attack and Release sets the time it will take for the reducer to start working.

EDGE

Controls the reduction aggressivity. A lower value gives a smoother reduction.

HPF

Reduces low frequencies.

HIGH

Compensates high frequencies by boosting them.

NOTE! Brusfri is CPU intensive and iPhone 6S / iPad AIR 2 or better is recommended. We highly recommend freezing/bouncing tracks to reduce CPU usage.

Get Brusfri

  • iPad Loops is a music app blog dedicated to exposing the best iPad apps for iOS musicians, producers, and Djs. This is not a database of every app. It is, however, one of useful recommendations from someone with many years in music production. I try to update it on a daily basis (ok sometimes every two days) and I do my best to post useful apps only. My name is Jason Donnelly (Dj Puzzle). You might know me from my royalty free loop packs and sound design. Some of the apps that contain my loops are Retronyms AudioCopy, LP-5, iPRO.DJSAMPLER, Looptastic, and Audio Elements. My work is published by Magix Soundtrack Loops, Sample Logic, Pakotec, Loopmasters, Acoustica, Xmix, Sound Trends, and many more. Subscribe to our RSS feed below to get updated when new apps are posted.

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