Robotization Effect Using Phase Vocoder Processing

Abstract

The basic principle of the robotic effect relies on the phase vocoder, which splits an input signal into bands before the processing, in order to achieve this, a representation in the frequency domain is achieved by using a window function in conjunction with the Short Time Fourier Transform. Although many robot-robot effect devices have been available during the years, none of the allowed for a wide variation of effects thanks to selection of window function, window sizes or hop sizes, which in conjunction create a vast variation in the resulting signal which then can be used for diverse purposes with great success.