Pitch shift · 7L · Recording or processing technique in which the original pitch of a sound is raised or lowered
Digital-to-analog converter · 3L · electronic device that converts a digital signal into an analog signal (mixed signal device), mostly realized as part of an integrated circuit (IC)
Analog-to-digital converter · 4L · system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal; device converting a physical quantity to a digital number
Talk box · 8L · effects unit that allows musicians to modify the sound of a musical instrument
Digital signal processor · 8L · specialized microprocessor optimized for digital signal processing in real time, mainly used for audio and/or video applications