Beats are used in tuning
{"Image DocumentName": "Beats are used in tuning", "Image ImageDescription": "when tuning a guitar a beat frequency of 3 Hz is heard when comparing the sound from the guitar to 256 Hz tuning fork. What is the guitar string\u2019s frequency?", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}