Automatic noise gate settings for drum recordings containing bleed from secondary sources

Authors:
Michael Terrell;Joshua D. Reiss;Mark Sandler
Affiliations:
School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK;School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK;School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK
Venue:
EURASIP Journal on Advances in Signal Processing - Special issue on digital audio effects
Year:
2010

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Abstract

An algorithm is presented which automatically sets the attack, release, threshold, and hold parameters of a noise gate applied to drum recordings which contain bleed from secondary sources. The gain parameter which controls the amount of attenuation applied when the gate is closed is retained, to allow the user to control the strength of the gate. The gate settings are found by minimising the artifacts introduced to the desirable component of the signal, whilst ensuring that the level of bleed is reduced by a certain amount. The algorithm is tested on kick drum recordings which contain bleed from hi-hats, snare drum, cymbals, and tom toms.