Noise Suppressor Vst Free

22.12.2020 admin

A real-time noise suppression plugin for voice based on Xiph's RNNoise. More info about the base library.

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About

Silent vst plugins. The plugin is meant to suppress a wide range of noise origins (from original paper): computer fans, office, crowd, airplane, car, train, construction.

Vst GGate is a noise gate which silences the incoming signal once it drops below a user-defined threshold. This kind of effect is useful when source material contains background noise during 'silent' passages, such as the hum of an amplifier or artefacts from an effect chain.

From my tests mild background noise is always suppressed, loud sounds, like clicking of mechanical keyboard, are suppressed while there is no voice however they are only reduced in volume when voice is present.

WNS Waves Noise Suppressor is a real-time noise reduction plugin for cleaning dialog tracks. Unsurpassed for noise suppression on both indoor and location recordings with constant or modulating environment noise, WNS was precision-engineered to reduce noise.
Further, you can turn off the plugin whenever you don’t need the noise cancellation by clicking the on/off button against the VST plugin. This method removes the background noise almost to zero.

The plugin is made to work with 1 channel and/or 2 channels (ladspa plugin), 16 bit, 48000 Hz audio input. Other sample rates may work, or not..

How-to

Windows + Equalizer APO (VST2)

To check or change mic settings go to 'Recording devices' -> 'Recording' -> 'Properties' of the target mic -> 'Advanced'.

To enable the plugin in Equalizer APO select 'Plugins' -> 'VST Plugin' and specify the plugin dll.

Linux

Pulseaudio

The idea is:

Create a sink from which apps will take audio later and which will be the end think in the chain.
Load the plugin which outputs to already created sink ('sink_master' parameter) and has input sink ('sink_name' parameter, sink will be created).
Create loopback from microphone ('source') to input sink of plugin ('sink') with 1 channel.

This should be executed every time pulse audio is launched. This can be done by creating file in ~/.config/pulse/default.pa with:

For stereo input use:

label=noise_suppressor_stereo

and

channels=2

You can get librnnoise_ladspa.so either by downloading latest release or by compiling it yourself.

Your mic name can be found by:

You may still need to set correct input for application, this can be done in audio mixer panel (if you have one) in 'Recording' tab where you should set 'Monitor of Null Output' as source.

Useful detailed info about pulseaudio logic toadjaune/pulseaudio-config.

The thread which helped me with how to post-process mic output and make it available to applications.

MacOS

You will need to compile library yourself following steps below.

It is reported that VST plugin works with Reaper after removing underscore from lib name.

Status

The plugin is tested with Equalizer APO v1.2 x64 (open source system-wide equalizer for Windows) and tested with pulse audio on arch linux.

I'm not associated with the original work in any way and have only superficial understanding of it. The original author will probably create something better out of their work but for now I don't see any analogs with similar capabilities so I have created a usable one.

Developing

VST sdk files aren't shipped here due to their license. You need to download VST sdk and copy several files to src/pluginterfaces/vst2.x/ and to src/vst2.x/. You can find sdk here.

LV2 and LADSPA sdk files are in repository.

All improvements are welcomed!

Compiling

For Windows you either need mingw or hope it works with visual studio cmake generator.

For MacOS steps are the same as for Linux.

If you did not download and place VST sdk files - VST plugin won't be built.

Compiling for x64:

Compiling for x32:

Cross-compiling for Windows x64:

License

This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.

Efektor Silencer

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