Tag Archives: Tech Reviews

Tech Products: Noise-Cancelling Headphones

Wall Street Journal (June 10, 2023) – Noise canceling is a hallmark feature of top headphones across brands, from Apple and Beats to Sony and Bose. Behind the simplicity of the technology from a user perspective, though, is cutting-edge hardware running sophisticated algorithms.

Video timeline: 0:00 A sound wave and its inverse 0:32 Destructive interference 1:30 Noise-canceling headphones’ origins 3:17 What background noise to remove 4:46 Transparency modes or aware modes

What kind of audio processing is necessary to eliminate background noise when listening to music or watching a movie? WSJ dives into how noise canceling works, how the technology has changed and where things are headed.

#NoiseCanceling #Headphones #WSJ

Tech Reviews: The iPhone 14 + Dynamic Island (2022)

Apple’s iPhone 14 Pros have a new multitasking feature called the “dynamic island.” WSJ’s Joanna Stern went out to a real island to test the Pros’ new always-on screen cameras, including the new 48-megapixel main camera and the new action mode.

She also compares them to the more affordable iPhone 14. 0:00 Welcome to Joanna’s dynamic island 1:07 iPhone 14 screen size and tests: always-on and dynamic island 3:41 iPhone 14 camera specs and tests 4:58 iPhone 14 action mode tests 5:35 Emergency SOS and crash detection: the iPhone 14 features Joanna couldn’t test