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JAMin is a mastering suite for Linux. It is a standalone program but can, via JACK, can be inserted into any programs signal path.

Some of JAMin's features include:
30 band graphic EQ
1023 band hand drawn EQ with parametric controls
Spectrum analyser
Multiband compression
Lookahead brickwall limiter



Ardour is a fully featured audio and MIDI multi-track recording and editing program. Ardour supports LADSPA, LV2 and LinuxVST plugin formats.

Features include powerful anything to anywhere signal routing, video timeline, direct import of freesound files, dedicated monitor section, meterbridge, inline plugin control and extensive export options, including exporting multiple formats at once.


LFO stands for Low-frequency oscillation. The name comes from the fact that it is an electronic signal with a low frequency, which oscillates to create a rhythmic pulse, or wobble. LFO's are common in synths and help vary their sound capabilities.

A number of popular effects are based around low frequency oscillation, namely chorus, vibrato, phasing, flanging and rotary speaker effects.



Sorcer is a polyphonic wavetable synth LV2 plugin from OpenAV. Its sonic fingerprint is one of harsh modulated sub-bass driven walls of sound. Two morphing wavetable oscillators and one sine oscillator provide the generation routines. The LFO can be mapped to wavetable modulation as well as filter cutoff. An ADSR allows for shaping the resulting sound, while a master volume finishes the signal chain.



Fabla is an open-source LV2 drum sampler plugin instrument from OpenAV. It is ideal for loading up your favorite sampled sounds and bashing away on a MIDI controller. Or if it’s crafty beat programming your after that’s cool too! The ADSR envelope allows the shaping of hi-hats and kicks while the compressor beefs up the sound for those thumping kicks!

MIDI keyboard

A MIDI keyboard is a piano-style keyboard used for sending MIDI data to a computer, or other MIDI devices. MIDI keyboards are a type of MIDI controller. You can think of a MIDI keyboard as a dummy keyboard. They don't produce any sounds themselves but rather, via MIDI data, control sounds in other devices, such as a synth on your computer or an external hardware synth.

Image of an M-Audio Keystation keyboard

Recording audio and using MIDI in Ardour 3

This video series features a basic overview of recording and editing audio, plus basic recording and editing of MIDI, using Ardour 3. We start by setting up Ardour and creating a new session. After that, we add MIDI tracks, connect our MIDI keyboard, record, and edit MIDI.

Next we add a few audio tracks and record some short segments of guitar. Finally, we do some basic editing of that recording, and some basic arrangements.

This video uses the following gear and software:

Sample-based synthesis: Petri-Foo

A common approach to sound synthesis is to use samples of sounds together with a sampler. In this short video series, we show you how you can use the sampler Petri-foo to create your own interesting sounds, based on samples.

You can read more about Petri-foo and find downloads for it at the official Petri-foo website.

Sound Synthesis: TAL NoizeM4k3r

TAL NoizeM4k3r is a popular and very capable open source synth, with excellent presets and great features. In this small video series, we will take you through the synth's entire interface, explaining what each setting does, and how you can use it to create interesting sounds.

Basic mixing in Ardour 3

In this video series, LMP invites you to mix an entire track together with us. The stems for the track used in this tutorial can be downloaded below. We'll start with importing the stems into Ardour and editing the song material. Next we will arrange the song before doing a basic balanced mix. Finally, we'll throw on some basic mastering effects, and do a few final touches.

Download the stems used in this tutorial series from this link.


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