MP3 Arduino
This tutorial demonstrates how to develop a custom-built audio playback system using an Arduino and an MP3 Shield.
Spectrum Analysis Tool
Spectrum Analysis Tool is a software application created in Max that can be used for configuring listening spaces. It offers a number of different selections for sound sources that are helpful when setting up a sound system.
Reverb Unit
This example here demonstrates how to develop a DSP reverberation algorithm in Max/MSP.