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SONO | Database for Advancements in Science and Technology
How do noise-canceling headphones actually cancel sound? - The Verge
25 Products For Anyone Who Lives In A Noisy Apartment
How do noise-cancelling headphones cancel sounds? - BBC Science Focus Magazine
Noisy Neighborhoods Made Quieter With Sono Noise Canceling Device - ABC News
SONO: For Peace and Quiet at Home - IPPINKA
Is it possible to build a noise cancelling speaker? - Quora
SONO A presentation of new technology by James Earthman CST300L Fall ppt download
How to reduce the noise in my living room electronically, perhaps with sound cancelling technology? It has hard surfaces, wood floors, and a high ceiling. We don't want rugs or drapes. Or