NDLI: Robust ITD error estimation for crosstalk cancellation systems with a microphone-based head-tracker

Content Provider	IEEE Xplore Digital Library
Author	Lacouture-Parodi, Y. Habets, E.A.P.
Copyright Year	2013
Description	Author affiliation: Int. Audio Labs. Erlangen, Erlangen, Germany (Lacouture-Parodi, Y.; Habets, E.A.P.)
Abstract	Previously, we proposed a crosstalk cancellation system with a microphone-based head-tracker. The head-tracker estimates the orientation of the head using the interaural time difference (ITD) error between the desired binaural signal and the signals at the microphones, which are placed near the listener's ears. In the presence of noise and multiple virtual sound sources, simple cross-correlation based techniques will fail to find the true ITD error value. In this study, we propose a method to estimate the ITD error from multiple competing sources in a noisy environment. We use relative transfer functions (RTFs) to estimate the ITD error in subbands and apply a weighting function based not only on the coherence, but also on the magnitude of the RTFs in each subband. Experiments show that in the presence of multiple sources and noise, the proposed weighting function yields better results compared to a weighting function that depends only on the coherence.
Starting Page	1
Ending Page	5
File Size	666593
Page Count	5
File Format	PDF
ISBN	9780992862602
ISSN	20761465
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-09
Publisher Place	Morocco
Access Restriction	Subscribed
Rights Holder	EURASIP
Subject Keyword	Loudspeakers Estimation error Time difference of arrival Noise Crosstalk Ear Coherence Crosstalk cancellation Interaural time differences Acoustic transfer functions ratio Microphones
Content Type	Text
Resource Type	Article

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