MULTIPLE CITIES: NBC may have violated federal rules with story about today’s test of the Emergency Alert System. The network ran the piece along with the audio tones that trigger the system on the ...

SYCAMORE, IL, APRIL 7, 2016 -- IDEAL is giving network installers and technicians all the tools they need to accurately identify wiring errors within virtually any type of VDV application with its ...

This surprisingly tough web game, from the Music Lab at the Harvard University Department of Psychology, tests how well you can distinguish tones by pitch. Put on your headphones and judge—as fast as ...

While it's usually the preserve of a more rarified breed of improviser, monthly concert series Test Tone always likes to get each new year off to a raucous start. This one will see underground indie ...