'Gentle humming noise generated' presentation slideshows

When you are soundproofing a room, you opt for sound absorbent materials. Likewise, to silence the sounds coming from the duct system, you can choose from a number of sound cancellers.

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If you have an AC installed in your home, then you must be familiar with the gentle humming noise generated by these devices. Just as soundproofing a studio is necessary for avoiding noise and echo, a duct system needs soundproofing too.

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