Soundproofing Panels with Air Passage

Received Patent in 2013
Applied Improved version of High Ventilation Soundproofing on a generator

Improved Soundproofing Effect
Allowing Air Passage, eliminated exhausting problem

If used as partitions at homes/restaurants, possible to conserve air-conditioning cost.

For Theoretical Explanation and Older Videos please visit http://youtu.be/bP4eS_U3DiE
Please look at the Bullet Train application example at http://youtu.be/rHzpH1GLexA

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