Difference between revisions of "MakerFaire"

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Colin Sullivan
“Jnana” is a generative musical accompaniment system integrated into Ableton Live. It has the ability to analyze MIDI input and generate new material in a similar style. It can analyze input in real-time or from desired clips within Ableton and can populate Ableton clips with new material.

Revision as of 04:40, 27 February 2014



The Center for Computer Research in Music and Acoustics (CCRMA -- pronounced "karma") is an interdisciplinary center at Stanford University dedicated to artistic and technical innovation at the intersection of music and technology. We are a place where musicians, engineers, computer scientists, designers, and researchers in HCI and psychology get together to develop technologies and make art. In recent years, the question of how we interact physically with electronic music technologies has fostered a growing new area of research that we call Physical Interaction Design for Music. We emphasize practice-based research, using DIY physical prototying with low-cost and open source tools to develop new ways of making and interacting with sound. At the Maker Faire, we will demonstrate the low-cost hardware prototyping kits and our customized open source Linux software distribution that we use to develop new sonic interactions, as well as some exciting projects that have been developed using these tools. Below you will find photos and descriptions of the projects and tools we will demonstrate.

The Siren Organ

Gina Collecchia, Kevin McElroy, Dan Somen

Description: The Siren Organ is an electro-mechanical instrument consisting of compressed air and motor-driven disks with evenly spaced perforations. Three different controllers were designed, each with a dedicated disk (the siren). These controllers contain a network of air tubes to direct air flow from a compressor to individual rings on the sirens. These rings have different numbers of equally spaced holes to create a fundamental frequency, and varying radii of the holes to create harmonics.

The motor speed can be controlled by a fader, creating frequency sweeps that are classic to the siren sound. A custom manifold of valves, buttons, and air pathways as well as ball valves and blow guns control the pressure of the compressed air. Hence, the performer can control volume in addition to pitch. A master valve connects to each controller and splits into 4 hoses + valves, to provide an upper limit of the possible pressure. The hose leading from the compressor is also split into 3 channels, feeding each controller.


Sonic Drop

Elliot Kermit-Canfied, Pablo Castellanos, Cooper Newby, Justin Li

Sonic Drop is an interactive and integrated audio-visual sculpture. Comprised of water activated sensors mounted on a suspended, internally lit cube that glows in response to human interaction with the device. Synthesizing visual art with sound, when the water sensors are activated, Sonic Drop generates beautiful music. Sonic Droplet will be an art installation at Stanford that invites its viewers to wield water toys to collaboratively create mesh of sound and light.


The Blade Axe

Romain Michon

The Blade Axe is a guitar physical model controller. It provides the same kind of interaction than the one offered by a real guitar. The sound of the instrument is computed on an embedded Linux board.



Romain Michon

Mephisto is a small battery powered open source Arduino based device. Up to five sensors can be connected to it using simple 1/8" stereo audio jacks. The output of each sensor is digitized and converted to OSC messages that can be streamed on a WIFI network to control any Faust generated app. The goal of Mephisto is to provide an easy way for musicians to interact with the different parameters of a Faust object or any other OSC compatible software during a live performance. As a "DIY" open source project, Mephisto only uses open source hardware (Arduino, etc.) and was designed to be easily built by anyone.

Mephisto1.jpg Mephisto2.jpg


Pryiyanka Shekar

Gong is a musical implementation of the classic arcade game, Pong.This is a solo endeavor, playing against the wall. The user can actively control a paddle to deflect balls, selecting and sounding them prominently over the colliding chimes of the other balls. The user can also just sit back, relax, and enjoy the generative system of sound and art.

FigD.jpg FigE.jpg


Chet Gnegy

CollideFx is a real-time audio effects processor that integrates the physics of real objects into the parameter space of the signal chain. Much like in a traditional signal chain, a user can choose a series of effects and offer realtime control to their various parameters. In this work, we introduce a means of creating tree-like signal graphs that dynamically change their routing in response to position changes of the unit generators. The unit generators are easily controllable using the click and drag interface and respond using familiar physics, including conservation of linear and angular momentum and friction. With little difficulty, users can design interesting effects, or alternatively, can fling a unit generator into a cluster of several others to obtain more surprising results, letting the physics engine do the decision making.


O^3: A Controller Based Around Concentric Circles

David Bordow, Erich Peske

Our controller is a prototype based around one of the most fundamental controls: a turntable. Our goal is to implement the turntable in a way that has never been done. Using a stacked-gear mechanism, we are able to put one disk on top of another on top of another. The user will theoretically be able to hook up the O^3 to any editable parameter allowing fluid, tactile, and precise control for use in sampling, ambient, or whatever the imagination creates. We hope to continue our work on the controller into the next quarter and will strive to improve the product over time.


Busk Box

Sasha Leitman

The Busk Box is a street performance system that combines the traditions of wandering street performers and musicians with the modern technologies. Inside of a 1911 wooden trunk, 2 6" speakers, 1 10" subwoofer, 2 class-T amplifiers and a portable mixer are all powered by lithium-ion batteries. In addition, the box is supported by folding wheels and legs which enable the box to be set up and torn down in less than 3 minutes. This platform was designed to bring experimental and electronic music to the San Francisco Fisherman's Wharf district.


Satellite CCRMA

Ed Berdahl, Wendy Ju Satellite CCRMA promotes rapid prototyping of new media. Used by artists and engineers alike, Satellite CCRMA integrates together open-source software and hardware projects. Most importantly, it comes with examples that make it possible for new users to get up and running within a matter of minutes.  For more info, please see https://ccrma.stanford.edu/~eberdahl/Satellite/

Satellite CCRMA2.jpg

Software Tools

Planet CCRMA at Home is a collection of open source programs that you can add to a computer running Fedora Linux to transform it into an audio/multi-media workstation with a low-latency kernel, current audio drivers and a nice set of music, midi, audio and video applications (with an emphasis on real-time performance). It replicates most of the Linux environment we have been using for years here at CCRMA for our daily work in audio and computer music production and research. Planet CCRMA is easy to install and maintain, and can be upgraded from our repository over the web. Bootable CD and DVD install images are also available. This software is free.


Ardour sm.png

Ardour - Multitrack Sound Editor

[[Image: Hydrogen sm.png]]

Hydrogen - Drum Sequencer

Pd-jack-jaaa sm.png

Pd, Jack and Jaaa - Real-time audio tools