scholarly journals On the Contribution of Target Audibility to Performance in Spatialized Speech Mixtures

2016 ◽  
pp. 83-91 ◽  
Author(s):  
Virginia Best ◽  
Christine R. Mason ◽  
Jayaganesh Swaminathan ◽  
Gerald Kidd ◽  
Kasey M. Jakien ◽  
...  
Keyword(s):  
Speech Mixtures

scholarly journals Localization in speech mixtures by listeners with hearing loss

2011 ◽  
Vol 129 (5) ◽  
pp. EL210-EL215 ◽  
Author(s):  
Virginia Best ◽  
Simon Carlile ◽  
Norbert Kopčo ◽  
André van Schaik
Keyword(s):  
Hearing Loss ◽  
Speech Mixtures

Implementation of Frequency Domain Approach Using Instantaneous Mixing Auto Recursive for Separation of Speech Signals

2016 ◽  
Vol 13 (10) ◽  
pp. 6576-6584
Author(s):  
C. Anna Palagan ◽  
K. Parimala Geetha
Keyword(s):  
Frequency Domain ◽  
Likelihood Estimation ◽  
Model Parameters ◽  
Speech Signals ◽  
Single Room ◽  
Sound Unit ◽  
Frequency Domain Approach ◽  
Speech Mixtures ◽  
Complete Frequency ◽  
Algorithmic Rule

In the present work a novel algorithmic rule by taking the speech from two different microphones and separate these speeches by prediction of separating speech mixtures that is predicated on separation matrices is planned. In multi-talker applications so as to boost individual speech sources from their mixtures is done by Blind source Separation (BSS) ways. From the previous published works of separation of speech signals, the main disadvantage is that the incidence of distortion present within the signal that affects separated signal with loud musical noise. The idea for speech separation in standard BSS ways is simply one sound source in a single room. The proposed methodology uses as a network that has the parameters of the IMAR model for the separation matrices over the complete frequency vary. An attempt has been made to estimate the best values of the IMAR model parameters, ΦW and ΦG by suggests that of the maximum-likelihood estimation methodology. Based on the values of these parameters, the source spectral part vectors are estimated. The entire set of TIMIT corpus is employed for speech materials in evolution results. The Signal to Interference magnitude Relation (SIR) improves by a median of 6 dB sound unit over a frequency domain BSS approach.

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