Soundproofing Panels with Air Passage

Received Patent in 2013
Improved version of High Ventilation Soundproofing is effective against music sound leaks

Improved Ventilation. Light penetration can be kept with transparent material
For restaurants, in addition to the window application, it can be used as partitions conserving air-conditioning cost by letting the air circulate.

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 also look at the Aerodynamic Noise application example at http://youtu.be/gfXG7YvO46Q

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