... Error! sources + 1000 2000 3000 + 4000 5000 6000 x (c) Figure 13: Source localization using SRP-PHAT (a) Single source, (b) single source (2D projection), and (c) multiple sources Estimated source ... and R Rabenstein, Joint audio- video signal processing for object localization and tracking,” in Microphone Arrays: Signal Processing Techniques and Applications, M S Brandstein and D B Ward, Eds., ... [30] [31] [32] using constrained adaptive filters,” IEEE Transactions on Signal Processing, vol 47, no 10, pp 2677–2684, 1999 A Abad and J Hernando, “Integrated adaptive beamforming and Wiener filtering...