Capturing and Reproducing Spatial Audio Based on a Circular Microphone Array

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="718574.fig.005a" src="https://static.hindawi.com/articles/jece/volume-2013/718574/figures/718574.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Classical music recording (6 sources)</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="718574.fig.005b" src="https://static.hindawi.com/articles/jece/volume-2013/718574/figures/718574.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Rock music recording (5 sources)</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="718574.fig.005c" src="https://static.hindawi.com/articles/jece/volume-2013/718574/figures/718574.fig.005c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Speech recording (2 moving sources) </td></tr></table></td></tr></table>

<table>Energy ratio in the time-frequency domain of the beamformer output signals of the source with the second largest energy over the source with the largest energy for the simulated microphone array recordings. </table>

Journal of Electrical and Computer Engineering

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Figure 5

Figure 5: Capturing and Reproducing Spatial Audio Based on a Circular Microphone Array 