How To: Higher-Order Ambisonics (HOA) on a Mac

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This tutorial describes how to render sound files into higher-order Ambisonics (up to seventh order) using the Reaper DAW and the IEM Suite plugins. Install the Software Download and install Reaper: https://www.reaper.fm/download.php The version I downloaded was: Reaper is a … Read More

Tree of Life Featured

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Tree of Life was featured in the Come, Follow Me (Art Companion) during the week of January 15–21, 2024! (It was also previously featured during the week of January 13–19, 2020!) The Come, Follow Me (Art Companion) is produced by … Read More

2018 Community Christmas Concert

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We had a great Community Christmas Concert this year! The concert took place 7:00–8:15 PM on Saturday, December 8, 2018 at the Church of Jesus Christ of Latter-day Saints meetinghouse in College Station, TX. From a spatial music perspective, there … Read More

Article Published

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My latest article “Multichannel Works for Nonstationary Audiences” has been published in the Fall 2018 issue of the Computer Music Journal: John D. Moeller, “Multichannel Works for Nonstationary Audiences,” Computer Music Journal, 42:3 (Fall, 2018), pp. 17-27. © 2018 Massachusetts … Read More

Getting Stats on a Sound File

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Here are a few ways to obtain stats and other useful info about a sound file using a Mac. Use libsndfile How to install libsndfile. Run the following command in the Terminal app (tips: make sure the sound file is … Read More

Selecting Scent

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I am in the process of selecting a scent to diffuse through the performance space for my new work. These are samples from a few scent companies. Each bag contains a paper strip that was dipped into a scent that … Read More

Binaural Recording of Helicopters

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We had an unexpected fly-over of two helicopters during a performance of First Vision on the morning of July 9, 2016. They flew over the performance area about 150 feet above the ground. First Vision is designed to be performed … Read More

Life Performed in France

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On April 1, 2018 my work Life (2008, binaural version) was part of the first Festival Eurek’art in Bordeaux, France. The festival took place over three days at the Marché des Douves in Bordeaux (3/30/18 to 4/1/18). Octandre, a composers’ … Read More

Tuning

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12-TET 12-tone equal temperament (12-TET) is the tuning system most commonly used today in Western Music. It refers to a tuning system that divides the octave into 12 divisions. The divisions are equal on a logarithmic scale and are perceived … Read More

Converting Amplitude Representations

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This is a tutorial on how to convert between different amplitude scales.   Convert dBFS to a percentage Use the following formula (where x is dBFS): 10(x/20) For example: 10(-6dBFS/20) = 0.5 This shows that -6dBFS is 0.5, or 50% … Read More

AC Toolbox

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AC Toolbox is a stand-alone software package for algorithmic composition developed by Paul Berg. It was implemented in the Lisp programming language. It has numerous generators, transformers, and tools, and can be extended by the user. It is well-documented and … Read More

How to Record Sound Samples

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This is a tutorial on how to record sound samples. It is primarily intended for people who want to record sound samples in a variety of locations for use in electroacoustic music. Find a good place to record Acoustics and … Read More

Creating a Shell Script

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This is a brief tutorial on how to create a shell script using a Mac.   Create a new blank file in a text editor such as TextEdit. Put the following as the first line: #!/bin/bash Put the desired command(s) … Read More

Sonic Visualiser

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Sonic Visualiser is an application for viewing, analyzing, and annotating audio files. It was developed at the Centre for Digital Music, Queen Mary, University of London and is available at: https://sonicvisualiser.org. This is a short guide to get you started … Read More

How to Use Afconvert

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Afconvert is a command-line utility built into the Mac OS. I find it useful for batch converting the sampling rate and format of audio files. Examples Note: All of these examples assume that the files you wish to convert are … Read More