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A noise gate is similar to a compressor in the sense that, it is used to control the loudest and the quietest part of an audio signal, but specifically, a noise gate reduces audio signals that are below a certain threshold, so, when the signals are above a threshold, it let the signal pass-through (opens the gate). on the other hand, if the signals fall below the threshold, no signal is allowed to pass (closed the gate) or the signal is attenuated with respect to the settings dialed.

Dynamics – A combined Compressor/Limiter and Expander/Gate (function is determined by Ratio control) Phaser – A classic multi-stage all pass based Phaser effect, which can be controlled via LFO or Envelope; Reverb – A room Reverb designed with high echo density, imparting a fast and smooth build-up of reflections. This pairs nicely with. We have collected for you the top 9 VST plugins Gate according to PluginBoutique. VST list navigation: Gatekeeper MRhythmizer Trance Gate Snapin Gatey Watey Oxford Drum Gate SSi Pro Analogue Modelled Gate Gate Snapin Doepfer A-101-2 Vactrol LPG FabFilter Pro-G 1. Gatekeeper by Polyverse Fast, Accurate, Flexible Gatekeeper is the cutting edge of volume modulation. Capable of sample-fast.

Practically, noise gates are used to remove noises in an audio signal, for example, if you have some unwanted noise you would love to attenuate, you can use a noise gate plugin to find the threshold where that noise becomes annoying and adjust your settings to quiet everything below that.

Also, it can be used for sidechaining, gluing bass & kick drum together, and in fact, most producers I know use it for stuttering effect, where you can turn a sound e.g an ‘Ah’ sample sound into the same rhythm as the drumbeat, which in turn makes it groovy and danceable on the dance floor 😉

Since Noise gate works similarly to a compressor, you can read the guide on how compression works to understand some of its parameters. In this guide, I will be recommending the best Noise Gate VST/AU/AXX Plugin for use in your DAW, let’s get started…

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• 5.) FabFilter Pro-G – Fabfilter ($179.00)

1.) Gatekeeper – Polyverse ($49.00)

The first Gate plugin on our list is Gatekeeper plugin by Polyverse, which is not only easy to use but also intuitive and allows for drastic, punchy gating and sequencing while keeping the output smooth.

Whether you plan on using gate as an LFO, envelope, step sequencer, volume automation, Gatekeeper is capable of all that, plus it has 8 MIDI programmable envelopes, CV output for external hardware, and hundreds of presets that will spice up your sounds.

Note that, Gatekeeper doesn’t work well for denoising, so, if you want a gate plugin that would attenuate noise at a certain threshold, I’ll highly recommend using Gatey Watey by Boz Digital Labs, which is what I am reviewing next.

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Key Features:

• Sample fast and precise volume modulation
• Expressive and fun envelope drawing tools
• Boost and clip features for extra punch
• Smoothing algorithm to eliminate clicks and pops
• 8 independent volume envelopes
• Fully customizable midi-triggering
• Panning tools
• Tempo mapped looping
• CV output for Modular synths
• Hundreds of presets

System Requirements:

• OS – Mac/PC
• Bit Depth 32/64
• Format – AAX, VST, AU
• Hardware Requirements – Mac: Intel Core 2 Duo or higher, 4GB RAM minimum
• Hardware Requirements – PC: Intel Core 2 Duo/AMD Athlon 64×2 or higher, 4GB RAM minimum
• OS Requirements – Mac: OS X 10.6 or later
• OS Requirements – PC Windows 7 SP1 or later

2.) Gatey Watey – Boz Digital Labs ($49.00)

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Gatey Watey is a simple and easy to use gate plugin, it lets you choose which frequencies you want to attenuates when the signal falls below the threshold, similar to the way the threshold kicks in compression settings. Gatey Watey works well for de-noising annoying signal without affecting the main audio signal, a use case is getting rid of drum bleed without cutting off your drums.

Unlike Gatekeeper that isn’t suitable for denoising, Gatey Watey has a frequency selective attenuation, which means you can tell it to only attenuate a certain frequency when the input drop below the threshold. This feature can be really powerful if you know what you are doing, for example, if you want to cut the high hat bleed out of a snare without killing the ring of the snare, Gatey Watey is your preferred choice.

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Key Features:

• Frequency selective gating
• Lookahead
• Simple Interface
• No Learning Curve

System Requirements:

Mac

• AAX/AU (Audio Units)/RTAS/VST/VST3

Windows

• AAX/RTAS/VST/VST3

3.) Gate Snapin – kiloHearts ($19.00)

This is my favorite gating plugin, and I highly recommend this for producers or mixing engineer that love simple and straight to the point plugins. The Gate Snapin by kiloHearts helps to get rid of low hum and noise from your audio signal, cut reverb tails short or exaggerate the dynamics in a beat.

If for some reason, you want a ducking effect/sidechaining, it can be easily driven by an external sidechain signal, However, I’ll highly recommend sidechaining through your stock plugins, it’s a matter of preference anyway, use what suits your style.

System Requirments:

• CPU: 2 GHz or faster
• Memory: 1 GB or more
• Operating System: Windows (7 or newer) or Mac OS X (10.7 or newer)
  Supported formats: AAX/AU/VST2/Snapin

4.) Trance Gate Snapin – kiloHearts ($39.00)

This is another gating plugin by kiloHearts, Trance Gate Snapin can be used to chop up any sort of sound, think of it as a gate sequencer where you chop up an audio signal, and turn it into an arpeggio or rhythmical groove.

System Requirments:

• CPU: 2 GHz or faster
• Memory: 1 GB or more
• Operating System: Windows (7 or newer) or Mac OS X (10.7 or newer)
  Supported formats: AAX/AU/VST2/Snapin

5.) FabFilter Pro-G – Fabfilter ($179.00)

Fabfilter Pro G features 6 awesome expander/gate algorithms, including upward expansion and ducking or sidechaining.

One feature I love about the Fabfilter Pro G is the way you can route signals, also, you can choose between mono, stereo or mid/side processing and in expert mode, external side chain input is available with completely customizable channel linking and routing.

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Key Features:

• Six meticulously tuned expander/gate algorithms, including upward expansion and ducking
• Program dependent attack and release curves
• Low CPU usage
• Adjustable range, hold time and knee settings
• Optional look-ahead time up to 10 ms
• Precise and helpful metering, including a real-time level display
• An expert mode that offers highly customizable side chain options
• Mono, stereo or mid/side processing
• Up to four times linear-phase oversampling
• Zero-latency operation mode
• MIDI triggering: open the gate/expander with your MIDI keyboard
• External side chain option
• Separate dry/wet level settings
• Easy to set up for common gating/expansion scenarios with the included factory presets
• GPU-powered graphics acceleration
• Double-click text entry of parameter values
• Stereo and mono plug-ins available
• Supports common Pro Tools hardware control surfaces
• Extensive help file with interactive help hints

System Requirements:

Windows:

• 32-bit: Windows 8, 7, Vista or XP
• 64-bit: Windows 8, 7 or Vista(x64)
• VST 2/3 host or Pro Tools

Mac OS X:

• 32-bit: OS X 10.5 or higher
• 64-bit: OS X 10.6 or higher
• AU or VST 2/3 host or Pro Tools
• Intel processor

Having trouble getting rid of noise in your audio, but don’t have the cash to spare for a payware noise reduction plug-in?

You might find what you need in this selection of the best free noise reduction plug-ins available. You’d be surprised that they’re capable of what they can do, with a variety of functions that can deliver performance that is at least equal to that of their paid counterparts.

Let’s take a closer look!

Free Noise Reduction Plugins

Also check out our Top VST Plugin Roundup

ReaFIR by Cockos

Cockos is known primarily for Reaper, an excellent shareware–practically freeware–DAW that can stand toe-to-toe with the best fully-fledged DAWs costing hundreds of dollars more. The company also has a line of very capable plug-ins, one of which is the ReaFir dynamics processor.

Specs and useful features

An FFT-based plug-in, ReaFIR is a dynamics processor that pulls off some need tricks. The “FIR” in the name stands for “Finite Impulse Response”, which refers to a variety of functions revolving around FFT spectrum analysis.

Most of these functions have to do with EQing and dynamics processing, both of which are typically employed in noise reduction circuitry. But ReaFIR can do more than clean up hissy signals. It also serves as a gate, a compressor, and a dedicated EQ. It is especially capable of precise EQing and compression, so you could expect to get much more use out of it than from most any noise reduction plug-in on the market.

User impressions

Unsurprisingly, many users found ReaFIR to be more effective at removing noise than many other dedicated noise reduction plug-ins. The onboard features makes it a very capable and versatile EQ that can be used for ultra-precise sound shaping and even for mastering. In fact, many users have found it to be useful at various stages of the production and mixing processes.

Bottom-line

ReaFIR stands apart from most other noise reduction plug-ins with its wealth of pro features and flexible capabilities. Even if this were a paid plug-in, we would still recommend adding it to your arsenal of sonic enhancement tools.

Redunoise by Voxengo

Voxengo Redunoise is a high-resolution noise reduction plug-in that provides a wide range of controls for reducing and eliminating noise. A comprehensive noise reduction system that goes beyond the capabilities of your average noise-ridding plug-in, it is a versatile solution that should find many uses in your productions.

Redunoise is especially effective at dealing with noisy single tracks, although it will work on full mixes as well. Results are always musically pleasant, which is rarely the case with broadband noise reduction solutions.

Specs and useful features

High-resolution spectrum analysis is the key to the effectiveness of Redunoise. This feature precisely identifies the offending area of audio material, enabling the plug-in to eliminate it without affecting the rest of the signal.

Redunoise comes with two flavors of filtering: analog-prototype and linear-phase. Between these two, you can handle pretty much any flavor of noise, from fairly simple hisses to more complex noises that cover different bands of the audio spectrum. There is even a noise learn function for quick and easy cleanup of audio material.

User impressions

Redunoise has found plenty of avid fans among those that routinely work with outdoor recordings. Useful for reducing many types of background noise, the plug-in is also effective at separating sounds according to frequency range.

Surprisingly, some users found Redunoise to be quite an effective EQ unit. With its many controls suited for creative EQing, Redunoise is way more than just your run-of-the-mill noise reduction plug-in.

Bottom-line

Redunoise is a versatile noise reduction plug-in that has some surprising tricks up its sleeve, particularly in the realm of creative EQing. Although it is free, it definitely measures up to even some of the best payware offerings available.

Sound Recovery by Bitsonic

If you have ever had to struggle with restoring signals from poorly recorded or severely degraded audio, Bitsonic Sound Recovery might be exactly what you need, and for free. It’s designed specifically for repairing extremely low-quality audio.

Sound Recovery fills a gap in the audio editing world that most EQs and noise reduction systems simply cannot fill. With a unique set of features onboard, this plug-in should find value among audio restorers and even forensic professionals.

Specs and useful features

Sound Recovery essentially recreates mid-frequency content from low-frequency harmonics. By adding subtle levels of harmonic distortion, this process makes audio clearer and more understandable, even with most of the mid-frequency content missing.

Sound Recovery also has a multiband denoiser feature that makes it a very capable noise reduction solution. Effective at reducing the noise from the low-mid and mid-high frequencies, this provides a much more subtle alternative to heavy-handed EQing that often thrashes the entire audio signal.

Other features let you further restore audio with depth and precision. The “split freq” feature lets you define the most troublesome frequency range, while the dedicated “recovery” feature adds even more distortion for enhanced clarity.

User impressions

Sound Recovery is a fairly capable noise reduction plug-in. The low pass filter and the denoiser feature effectively reduce noise in a broad range of frequencies. But most users seem to use the plug-in for restoring lost audio content, which is hardly surprising given its capabilities in that area.

Bottom-line

Sound Recovery might not be your first choice if you need a comprehensive range of noise reduction features. But if your focus is on restoring the intelligibility of recorded audio, this plug-in is a must-have.

Noise Reduction by Christian Budde

Christian Budde Noise Reduction is a spectral noise gate designed for removing unwanted noise from a variety of audio sources. By targeting specific frequency ranges, its spectral gate effectively filters out noise with a fair degree of customizability over attack and release times.

Specs and useful features

Mscal ocx 64 bit windows. Noise Reduction goes beyond the capabilities of most spectral noise gate plug-ins by offering a good range of customization options. The soft knee control is fully adjustable over a very wide range, so you can avoid many of the sonic anomalies that other spectral noise gates impart to audio material.

The plug-in comes with a few different options for FFT sizes, and you could even choose from many window functions.

Noise Reduction sets itself apart from other plug-ins of its kind with its continuous and consistent characteristic. The plug-in’s various features let you clean up only the offending bands of noise without introducing artifacts that are often more bothersome than hissing and crackling.

Noise elimination plug-ins generally have low CPU requirements, but Noise Reduction places especially low demands on computer resources. You could easily strap on as many instances as you need for your various tracks, and still have enough CPU power for your other plug-ins.

User impressions

Users found Noise Reduction to be effective at getting rid of noise from problematic soundboard recordings and audio transferred from tape. For many users, the ability to identify the noise from a quiet section of audio is useful for treating the rest of the material.

Bottom-line

Like all plug-ins of its kind, Noise Reduction is most effective when used sparingly at moderate settings. It won’t win any awards for precision and total control, but it will be enough to get the job done in most cases.

FFT Tools by Smart Electronix

Smart Electronix FFT Tools turns to the graphics world for inspiration in dealing with unwanted noise in audio material. Based on the image-processing technique employed in graphics programs such as Adobe’s Photoshop, it utilizes spectral-based processing along with a slew of intriguing features.

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FFT Tools makes it possible to clear out the hash from specific audio frequency ranges while leaving the surrounding frequencies unscathed. The plug-in can also be used to warp sound in numerous interesting ways, many of which go beyond the capabilities of even dedicated sound-mangling plug-ins.

Specs and useful features

One of the most intriguing features of FFT Tools is “Warp”, which swaps high and low frequencies with each according to a defined frequency band. The results can be pretty wild, to say the least, although moderate settings can produce more musical results.

Noise reduction functions are mostly handled by the “Levels” feature, which gives you a good degree of control over the spectral dynamics. This feature lets you liven up dull audio or remove background noise equally well.

FFT Tools also comes with a “Kontrast” control for saturating specific bands of the frequency range. If more robotic sounds are your thing, the aptly-named “Robotizer” should find plenty of use in your productions.

User impressions

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Most people seem to use FFT Tools for generating weird textures and alien-sounding sonic landscapes. Although it does a decent enough job at noise reduction, it seems better suited for creative sound design than cleaning up noisy material.

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Bottom-line

FFT Tools probably won’t be the first thing that comes to mind if you need to clean up noisy audio. Although it will work as a noise reducer in a pinch, this plug-in is more useful as a tool for generating unusual sounds and textures.