High-pitched sine wave tone at 10kHz, the kind of sound you might hear from old CRT monitors or certain testing equipment. People use it for audio tests, ringtones, or just to mess with their friends since some of it’s in the ultrasonic range.
High-pitched sine wave tone at 10kHz, the kind of sound you might hear from old CRT monitors or certain testing equipment. People use it for audio tests, ringtones, or just to mess with their friends since some of it’s in the ultrasonic range.