Apple Opens Doors to Its iPhone Audio and Video Testing Chambers

Apple recently invited CNET's Patrick Holland to tour its specialized laboratories in Cupertino where company engineers test and calibrate the iPhone 16's audio and video capabilities.
Holland's visit centered on a long wave anechoic chamber, where walls, ceiling, and floor are covered with foam wedges to eliminate echoes. The facility is used for testing the iPhone 16's four microphones, which despite their small size, are engineered to deliver professional-grade audio quality.
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