This paper describes the comparison of two different approaches for fast and simple sound tracks separation of multiple musical instrument records. An uniform circular microphone array is used in a rehearsal room for recording of musical instruments being played simultaneously. A beamforming algorithm and additional signal post-processing is used to separate the individual instrument tracks. The separated tracks are compared to tracks recorded with dedicated highly directive microphone (shotgun). The objective evaluation of results is made by calculation of signal-to-interference ratio (SIR). Additionally the subjective test are performed where listeners had to asses the quality in terms of level of interference signals.

Authors: Zernicki, Tomasz; Januszkiewicz, Lukasz; Chryszczanowicz, Marcin; Makaruk, Piotr; Zamojski, Jakub
Affiliation: Zylia sp. z o.o., Poznan, Poland
AES Convention: 139 (October 2015) eBrief:234
Publication Date: October 23, 2015

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