Category Archives: Plug-ins

Free plug-ins to add new features and effects to Audacity.

FM Encoder Decoder

This is an experimental “proof of concept” plug-in for FM encoding and decoding. It was written as a bit of fun for the Audacity community – a competition in September 2016 for Audacity users, developers and support crew, and posted to the official Audacity facebook page. The plugin can be download here (right click to … Continue reading FM Encoder Decoder

Three band crossover filter (part 1)

What are crossover filters? Due to mechanical / physical constraints it is near impossible for a single speaker cone to accurately reproduce the full audio range. Carefully designed small speakers may work adequately for low power use such as portable radios, but for larger, higher power and higher sound quality speakers, multiple “driver” units are … Continue reading Three band crossover filter (part 1)

Distortion Effect

Audacity includes a wide range of built-in effects, but surprisingly there is no distortion effect. Time to remedy that… Here is a simple distortion effect with 10 types of distortion. Each preset modifies the shape of the waveform in its own particular way. There is also a slider control to set the amount, or “drive”. … Continue reading Distortion Effect

Isochronic Modulator Plug-in

This plug-in is based on the same code as the Variable Tremolo plug-in and was written in response to a request for a plug-in for making Isochronic Tones (Isochronic Beats). For anyone unfamiliar with the term (as I was), Isochronic beats are related to binaural and monaural beats and the idea of brainwave entrainment. At … Continue reading Isochronic Modulator Plug-in