Real-Time Beat-Synchronous Audio Effects

Stark, Adam M. and Plumbley, Mark D. and Davies, Matthew E.

Proceedings of the International Conference on New Interfaces for Musical Expression

We present a new group of audio effects that use beat tracking, the detection of beats in an audio signal, to relate effectparameters to the beats in an input signal. Conventional audio effects are augmented so that their operation is related tothe output of a beat tracking system. We present a temposynchronous delay effect and a set of beat synchronous lowfrequency oscillator effects including tremolo, vibrato andauto-wah. All effects are implemented in real-time as VSTplug-ins to allow for their use in live performance.