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A double talk detector based on coherence

Gänsler, Tomas; Sandsten, Maria LU ; Ivarsson, Carl-Johan and Salomonsson, Göran (1997) In IEEE Transactions on Communications 44(11). p.1421-1427
Abstract
We address the problem of detecting double-talk in a full duplex transmission line. A new double-talk detector (DTD) based on measuring the similarity between the far- and near-end speech signals is proposed. The detector is block oriented and operates in the frequency domain where the similarity between the signals is measured by means of the coherence function. The coherence is estimated with a short sequence of data by exploiting the multiple window spectrum estimation technique. Theoretical evaluation and examples of its performance are presented. The proposed DTD operates accurately in a wide range of situations, i.e., a difference in speech levels and hybrid attenuations ranging from 0 to 20 dB.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
IEEE Transactions on Communications
volume
44
issue
11
pages
1421 - 1427
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
ISSN
0096-1965
DOI
10.1109/26.544458
language
English
LU publication?
yes
id
21e4c138-ad4b-4c34-a546-bac783a8a6e4
date added to LUP
2018-03-23 15:49:51
date last changed
2018-12-31 07:24:43
@article{21e4c138-ad4b-4c34-a546-bac783a8a6e4,
  abstract     = {We address the problem of detecting double-talk in a full duplex transmission line. A new double-talk detector (DTD) based on measuring the similarity between the far- and near-end speech signals is proposed. The detector is block oriented and operates in the frequency domain where the similarity between the signals is measured by means of the coherence function. The coherence is estimated with a short sequence of data by exploiting the multiple window spectrum estimation technique. Theoretical evaluation and examples of its performance are presented. The proposed DTD operates accurately in a wide range of situations, i.e., a difference in speech levels and hybrid attenuations ranging from 0 to 20 dB.},
  author       = {Gänsler, Tomas and Sandsten, Maria and Ivarsson, Carl-Johan and Salomonsson, Göran},
  issn         = {0096-1965},
  language     = {eng},
  number       = {11},
  pages        = {1421--1427},
  publisher    = {IEEE--Institute of Electrical and Electronics Engineers Inc.},
  series       = {IEEE Transactions on Communications},
  title        = {A double talk detector based on coherence},
  url          = {http://dx.doi.org/10.1109/26.544458},
  volume       = {44},
  year         = {1997},
}