Lam Wai-shan and his BACCH system. Photo: May Tse

Lam Wai-shan and his BACCH system. Photo: May Tse

Princeton professor invents a sound system that plays music in 3D

Edgar Choueiri's invention cuts out crosstalk

Bernice Chan

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Published: 10:45am, 7 Nov, 2014

Updated: 11:52pm, 8 Nov, 2014

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Lam Wai-shan and his BACCH system. Photo: May Tse

Lam Wai-shan and his BACCH system. Photo: May Tse

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