2010-11-11 TriLUG meeting Wall Port: bottom SVGA, monitor switch position down, knob shifts widthwise Signalfest.com - Next one is in October 2011 Signal - Music & Technology Music and Audio Production with Free and Open Source Software ============================================================= Adam Drew Has Worked on Windows, Mac & Linux using both proprietary and FOSS tools Thinks FOSS on Linux is best Terms & Concepts: ----------------- Low Latency Audio Subsystem (<5ms latency is needed) Digital Audio Workstation (a.k.a. DAW) Real-time Effects Sound Synthesis (Tone Generators | Filters | ?? ) Why is free software important for music? ----------------------------------------- You don't do ART by telling people they can't share! Software Demonstration ---------------------- Hardware: Computer: Core i5, 4G RAM, 1Tb hard disk Midi output keyboard: Monitor Speakers: Flat Sound (For headphones, use reference grade, or "monitor") Audio Interface (Analog-to-digital converter, USB audio hardware has great support in Linux. Brand: M-Audio) Cheap Guitar Software: Linux Distro: Fedora 14 w/custom kernel Most important part is the kernel (2.6.33.7-rt29 SMP PREEMPT RT i686) Must use a RT (Real-Time) kernel, but only for Music (dual boot -- RT for music, regular kernel for daily use) JACK - audio routing API, designed specifically for DAW use Factoid: Standing 6ft from a guitar amp at standard room temp. 12ms latency Hydrogen - drum machine ZynAddSubFX - Synthesizer for non-natural sounds (Electronic Sounds) rakarrack - pro grade multi-effects processor Ardour - DAW software: take audio sources and tie them together & add effects & such. qsynth - synthesizer that uses sound fonts (aka sf2) Linux Multimedia Studio Resources: www.linkedlistcorruption.com/audio-kbase/ freenode: #jack #opensourcemusicians #ubuntustudio google: fedora14 Musicians Guide ubuntustudio.org