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- W564201130 abstract "Beamforming techniques have been studied extensively due to its applications in various areas. However, most of the efforts have been focused on the narrowband case. For wideband signals, this problem has not been thoroughly investigated. This thesis aims is to highlight potentials and the limitations of the conventional beamforming techniques. In the first chapters, the fundamental array processing theory and the most widely used beamforming techniques are presented. In the last chapter, different real-world acoustic scenarios are simulated according to ETSI EG 202 396-3 standard. In the simulations, the reverberant model is assumed and real audio signals are captured by a linear microphone array. The coefficients of the spatial filter are computed with the MVDR criterion. Moreover, acoustic impulse responses measurements are presented and performed for the construction of the steering vector. The speech quality in presence of background noise is measured by the 3-QUEST model." @default.
- W564201130 created "2016-06-24" @default.
- W564201130 creator A5019536479 @default.
- W564201130 date "2015-01-28" @default.
- W564201130 modified "2023-09-24" @default.
- W564201130 title "Τεχνικές προσανατολισμένης λήψης για μη στάσιμα ακουστικά σήματα : συγκριτική πειραματική αξιολόγηση σε πραγματικές συνθήκες" @default.
- W564201130 hasPublicationYear "2015" @default.
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