Mixing multi track recording in Linux with Audacity
Monday, March 30th, 2009
I struggled to get Audacity to record in Ubuntu Hardy Heron. Then I discovered that all I needed to do was install the previous version of ubuntu (Gutsy Gibbon) and Audacity recorded fine. A simple great easy to use multi-track recorder. My struggles to get the recording function to work caused me to overlook the potential of Audacity to be used as a mixdown app.
My usual workflow is to record to a mult-track digital recorder and transfer the files as wav files to the computer to process and mix. I’ve used ACID to mix the various tracks together and other programs to add compression, EQ, or reverb. I generally don’t need other effects, one would hope that a good studio recording did not need noise reduction! Then I discovered the list of effects available in Audacity. How nice to apply effects without exiting an application!
The EQ effect is incredibly flexible and intuitive. Just click on the line and a point or “anchor” is added. Click at another point and adjust. You can quickly draw the EQ shape that you want. Quick, intuitive, and all open source! As I’m preparing to create my next album tentatively titled “The Coffeehouse Chronicles” I now plan on making it a Windows free album, mastered entirely in Linux using Audacity. Though Audacity has a version available for Windows users as well.
In addition to the EQ, other useful functions included are the normalize function, fade in, fade out, invert, compressor. The tremolo, delay, high pass and low pass filters, and pitch change functions may also be handy occasionally.
Audacity is one of the most intuitive and stable multitrack mix software applications I’ve tried, and it is open source!
- the Muse
I’ll explain why in just a few lines, but what follows will be MP3s of the Bluebird condenser microphone and my trusty SM58 dynamic microphone in a studio setting that will let you decide for yourself if you agree with my conclusions. I came to the conclusion that the Bluebird has clearer sound for my vocals, which becomes especially important when mixing. But I’m still going to use my SM58 for live performance. And as I’ll explain, the disappointing sound that led me to purchase the Bluebird in the first place was mostly due to stuff other than the choice of microphone.
I used Gimp to understand and set the initial color palette for “Drummer and Graffiti”. The painting was loosely based on this photo.
As shown in the triangular color plot from Gimp, the bricks are toward the red end of the orange range (noted by the circle on the outer perimeter). The top edge of the triangle would indicate all black mixed with the red/orange. The circle inside the triangle just off the top edge indicates that the color of the bricks will be obtained by adding dark gray (or mostly black with some white) to the red/orange. This knowledge allowed me to quickly mix colors I liked.
Black Hat played at the Raven Friday night. Frankie the K, Caroline and Jim were great fun and very entertaining. With their jazzy bluesy style I was able to sit in and have some fun on harmonica. Jim Hart on drums laid down a cool groove. Frankie on keys filled it up and has me thinking about a Nord keyboard that played some excellent Hammond sounds. Caroline Maun adds vocals and percussion and writes the lyrics for originals like “Why You Wanna Do Me Like That”, one of my favorites from their repertoire. With their kind permission, I’ve included a live recording of it from the midst of the crowd so you can hear the cool jazzy vibe.