Fig. 1. Time delay estimation modeling by system identification approach.
Fig. 2. Time delay channel model between two received signals.
Fig. 3. Corrected time delay estimation system diagram for added noise sensors.
Fig. 4. Time delay estimation system diagram for added noise sensors.
Fig. 5. Performance comparison in case of white gaussian signal source (-o-: proposed algorithm, -x-: GCC-PHAT, -□-: Adaptive eigenvector decomposition method).
Fig. 6. Performance comparison in case of colored signal source (-o-: proposed algorithm, -x-: GCCPHAT, -□-: Adaptive eigenvector decomposition method).
Fig. 7. Comparison of TDE in T60 = 250 ms and SNR = 10 dB. (a) proposed algorithm (b) GCC[9] (c) adaptive EVD[12].
Fig. 8. Comparison of TDE in T60 = 610 ms and SNR = 10 dB. (a) proposed algorithm (b) GCC[9] (c) adaptive EVD[12].
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