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Reseach Article
Usable Speech Assignment for Speaker Identification under Co-Channel Situation
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 59 - Number 18 |
| Year of Publication: 2012 |
| Authors: Wajdi Ghezaiel, Amel Ben Slimane, Ezzedine Ben Braiek |
10.5120/9646-4381
|
Wajdi Ghezaiel, Amel Ben Slimane, Ezzedine Ben Braiek . Usable Speech Assignment for Speaker Identification under Co-Channel Situation. International Journal of Computer Applications. 59, 18 ( December 2012), 7-11. DOI=10.5120/9646-4381
Abstract
Usable speech criteria are proposed to extract minimally corrupted speech for speaker identification (SID) in co-channel speech. In co-channel speech, either speaker can randomly appear as the stronger speaker or the weaker one at a time. Hence, the extracted usable segments are separated in time and need to be organized into speaker streams for SID. In this paper, we focus to organize extracted usable speech segment into a single stream for the same speaker by speaker assignment system. For this, we develop model-based speaker assignment method based on posterior probability and exhaustive search algorithm. Evaluation of this method is performed on TIMIT database. The system is evaluated on co-channel speech and results show a significant improvement.
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