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|Title: ||Spatial chorus effect with fractal modulation and enhanced user functions|
|Authors: ||Taylor, Robert Walter|
|Issue Date: ||8-May-2012|
|Abstract: ||The underlying aim of the stereo chorus effect is to emulate the combination of multiple like voices in unison and provide an extended stereo image. Like it’s close cousin the flanger, whose job is to ‘confuse the ear’s time-correlation mechanism’, it also uses a system whereby a signal is added to a dynamically delayed exact replica of itself. One important distinguishing factor between the two effects however lie in the way the delay line duration is modulated. For a chorus effect to attempt to recreate the realism and tiny discrepancies of a multi-layered ensemble, the modulation must be generally faster and random. Chorus effects in general give the user little control over both the modulation signal and the spatial aspects inherent in chorusing. In this paper I will be discussing a new design for a ‘spatial’ chorus effect that incorporates a modulation signal derived from a fractal algorithm with low-pass filter control, and the implementation of extensive user controls and parameters that center around the de-correlation of left/right signal paths resulting in a spatially enhanced outcome.|
|Description: ||Digital Audio Systems
DESC9115, Semester 1 2012
Graduate Program in Audio and Acoustics
Assignment 1: Initial technology review|
|Rights and Permissions: ||The author retains copyright of this work.|
|Appears in Collections:||Digital Audio Systems: Initial Review (2012)|
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|Spatial Chorus_DAS Tech review_ Robert W Taylor SID 311123392.pdf||Main article||2.66 MB||Adobe PDF|
|wotm_1.wav||Audio file||11.16 MB||WAV|
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