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
Android Debug Bridge (ADB) is a command-line tool that enables access to connected Android devices. This tutorial explains how to obtain and install ADB on a Mac. ADB is useful for accessing one or many connected devices (see the above … Read More
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
The command listed below enables you to carry out the following processes to a batch of mono sound files: Normalize the sound file to -3 dBFS. Trim the audio at the beginning of the sound file up to the point … Read More
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
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
Rsync is a utility for keeping files synced in two locations. This is a quick tutorial on how to use it to back up your files and keep them synchronized (i.e., after the initial full backup, it will write only … Read More
libsndfile is a C library written by Erik de Castro Lopo. It is used in a variety of software packages. It includes a collection of command-line programs. Obtaining and installing libsndfile Note: Xcode may need to be installed on your … Read More
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
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 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
Reading a file’s permissions To see a file’s permissions, invoke the following in the Terminal: ls -l “name of file” Note: If the file is not in your home directory, you will need to provide the path to the file. … Read More
Try the command-line programs sndfile-deinterleave and sndfile-interleave. They are packaged in Erik de Castro Lopo’s C library libsndfile. See this post for details. The programs can be used to split a single, multi-channel file into multiple mono files, and combine … Read More
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
This is how to calculate the size of an uncompressed (i.e., PCM) audio file: (sampling rate * bit depth * duration in seconds * number of channels) / (8 bits per byte) = total number of bytes For decimal: /1,000 … Read More
Sound eXchange (SoX) is a command-line audio editing utility. I find it useful for quickly editing large batches of audio files. This is how to install it on a Mac, with a few examples on how to use it. Obtaining … Read More