@inproceedings{Eaton2015,
	address = {Brisbane, Australia},
	title = {Direct-to-reverberant ratio estimation using a null-steered beamformer},
	doi = {10.1109/ICASSP.2015.7177929},
	abstract = {Reverberation affects the quality and intelligibility of distant speech recorded in a room. Direct-to-Reverberant Ratio (DRR) is a useful measure for assessing the acoustic configuration and can be used to inform dereverberation algorithms. We describe a novel DRR estimation algorithm applicable where the signal was recorded with two or more microphones, such as mobile communications devices and laptops. The method uses a null-steered beamformer. In simulations the proposed method yields accurate DRR estimates to within +/- 4 dB across a across a wide variety of room sizes, reverberation times and source-receiver distances. It is also shown that the proposed method is more robust to background noise than a baseline approach. The best estimation accuracy is obtained in the region from -5 to 5 dB which is a relevant range for portable devices.},
	booktitle = {{ICASSP}},
	author = {Eaton, James and Moore, Alastair H. and Naylor, Patrick A. and Skoglund, J.},
	month = apr,
	year = {2015},
	note = {tex.owner= dje11},
	keywords = {beamforming, speech dereverberation, speech enhancement},
	pages = {46--50},
}

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