active noise control

January 10, 2015

A cone of silence that works

You may remember the TV series Get Smart and the cone of silence that never worked. Well a company called Selentium demonstrated a new product called the Comfort-Shell at the CES 2015 show that uses active noise control to create a zone of quiet within a device that looks like one-quarter of sphere.

Read the press release on the Selentium web site, and images of the device are on theverge.com web site.

November 7, 2012

GM 2013 Cadillac Uses Active Noise Control

The new 2013 GM Cadillac ATS sports sedan uses active noise control from Bose to reduce noise inside the passenger cabin.

Three microphones on the interior door frame on the front driver and passenger and rear driver’s side monitor the sound quality. The loudspeakers from the audio system are used to cancel low frequency noise within the cabin between 40Hz-180Hz.