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

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

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