Performance of time-delay estimation in the presence of room reverberation
Abstract
Synthetic microphone signals generated with the image model technique are used to study the effects of room reverberation on the performance of the maximum likelihood (ML) estimator of the time delay, in which the estimate is obtained by maximizing the cross correlation between filtered versions of the microphone signals. The results underscore the adverse effects of reverberation on the bias, variance and probability of anomaly of the ML estimator. Explanations of these effects are provided.
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Not much comparison has been made between correlation and system-identification-based algorithms for TDE performance in reverberant environments.
“A great deal of efforts have been devoted to analyzing the TDEperformance of the GCC technique in reverberant environments [66, 67]; but not much comparison has been made between correlation and system-identification-based algorithms.”
From Time Delay Estimation in Room Acoustic Environments: An Overview (2006) · cites this paper as [66]
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- Authors
- Champagne, B., Bedard, S., & Stephenne, A.
- Affiliations
- Institut National de la Recherche Scientifique (CA)
- Bell (Canada) (CA)
- ORCID
- Champagne, B.
- Venue
- IEEE Transactions on Speech and Audio Processing
- Published
- 1996-03
- Volume
- 4
- Issue
- 2
- Pages
- 148-152
- ISSN
- 1063-6676 (ISSN-L)
- OpenAlex
- W2168221202
- Cited by
- 177
- References
- 11
- Citations by year
- 2024: 4 · 2023: 1 · 2022: 3 · 2021: 3 · 2020: 4 · 2019: 7 · 2018: 6 · 2017: 8 · 2016: 4 · 2015: 6 · 2014: 8 · 2013: 14 · 2012: 2
- FWCI
- 5.97
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Speech and Audio Processing (publishedVersion)
- Topics
- Physical Sciences › Computer Science › Signal Processing › Speech and Audio Processing
- Physical Sciences › Computer Science › Artificial Intelligence › Speech Recognition and Synthesis
- Physical Sciences › Computer Science › Signal Processing › Direction-of-Arrival Estimation Techniques
- Keywords
- time delay estimation, room reverberation, maximum likelihood estimator, image source model, cross correlation function, estimator bias and variance
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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