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INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS

Abstract: 

Live concert recordings consist in long multitrack audio samples with significant interferences between channels. For audio engineering purposes, it is desirable to attenuate those interferences. Recently, we proposed an algorithm to this end based on Non-negative Matrix Factorization, that iteratively estimate the clean power spectral densities of the sources and the strength of each in each microphone signal, encoded in an interference matrix. Although it behaves well, this method is too demanding computationally for full-length concerts lasting more than one hour. In this paper, we show how random projections of the data can be leveraged for effective estimation of the parameters. Interference reduction with these ideas can be achieved on full-length live multi-track recordings in an acceptable time and could be used by sound engineers. We demonstrate the efficiency of this approach on real full-length live recordings from the Montreux Jazz Festival and also provide an implementation of the method.

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Paper Details

Authors:
Diego Di Carlo, Antoine Liutkus, Ken Deguernel
Submitted On:
13 April 2018 - 3:57am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Diego Di Carlo
Paper Code:
1584
Document Year:
2018
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[1] Diego Di Carlo, Antoine Liutkus, Ken Deguernel, "INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2643. Accessed: Nov. 12, 2018.
@article{2643-18,
url = {http://sigport.org/2643},
author = {Diego Di Carlo; Antoine Liutkus; Ken Deguernel },
publisher = {IEEE SigPort},
title = {INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS},
year = {2018} }
TY - EJOUR
T1 - INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS
AU - Diego Di Carlo; Antoine Liutkus; Ken Deguernel
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2643
ER -
Diego Di Carlo, Antoine Liutkus, Ken Deguernel. (2018). INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS. IEEE SigPort. http://sigport.org/2643
Diego Di Carlo, Antoine Liutkus, Ken Deguernel, 2018. INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS. Available at: http://sigport.org/2643.
Diego Di Carlo, Antoine Liutkus, Ken Deguernel. (2018). "INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS." Web.
1. Diego Di Carlo, Antoine Liutkus, Ken Deguernel. INTERFERENCE REDUCTION ON FULL-LENGTH LIVE RECORDINGS [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2643