Authors: | Velimirović, Lazar Perić, Zoran Stanković, Miomir |
Affiliations: | Mathematical Institute of the Serbian Academy of Sciences and Arts | Title: | Approximation of the optimal compressor function combining different spline functions in segments | Journal: | 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services, TELSIKS 2013 | Volume: | 2 | First page: | 541 | Last page: | 544 | Conference: | 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services, TELSIKS 2013; Nis; Serbia; 16-19 October 2013 | Issue Date: | 1-Dec-2013 | Rank: | M33 | ISBN: | 978-1-479-90902-5 | DOI: | 10.1109/TELSKS.2013.6704436 | Abstract: | In this paper the companding quantizer design using the approximative spline functions of the first and the second degree is done. The spline function of the first degree and the second degree is used for the approximation of the optimal compressor function. In order to reduce realization complexity of the designed model, in this paper it is proposed that the optimal compressor function in different segments is approximated by different spline functions, which means that the approximation of the optimal compressor function is done by combining the spline function of the first degree and the second degree. Comprehensive analysis of the results obtained for the proposed companding quantizer for the number of segments 2L = 4 i 2L = 8 is done. |
Keywords: | Companding quantizer | Optimal compressor function | Spline functions | Publisher: | IEEE | Project: | Development of new information and communication technologies, based on advanced mathematical methods, with applications in medicine, telecommunications, power systems, protection of national heritage and education |
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