Relative transfer function (RTF) estimation utilising peaks in time-domain RTF
- Authors
- Shin, M.; Kim, W.; Han, D. K.; Ko, H.
- Issue Date
- 7-7월-2016
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- ELECTRONICS LETTERS, v.52, no.14, pp.1264 - 1265
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 52
- Number
- 14
- Start Page
- 1264
- End Page
- 1265
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/88078
- DOI
- 10.1049/el.2016.0317
- ISSN
- 0013-5194
- Abstract
- An effective algorithm for a more accurate estimation of relative transfer function (RTF) to improve the directional-blind source separation-based RTF estimation is presented. The peaks in time-domain RTF (PTDR) as a feature of time-domain RTF to improve the conventional algorithm are utilised. The PTDRs contain important characteristics of RTF; however, they are smoothed due to the geometric constraint in the conventional algorithm. In the proposed algorithm, the PTDRs are recovered by employing the semi-non-negative matrix factorisation algorithm to effectively find the PTDRs from other peaks. A series of experiments using interfere and various noises demonstrates effectiveness of the proposed RTF estimation algorithm utilising the PTDR.
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