June 7, Xuancheng, Anhui, a square of citizens quietly dancing, without any music accompaniment, they are in order to let the college entrance examination students have a quiet environment, all wearing headphones jumping silent square dance, for the college entrance examination pressed the "mute button".
"Silent square dance" makes people moved, more people admire. In this group of square dance on the body, we see is not tension and confrontation, not hostility and behavior, but the valuable tolerance and understanding.
Principle of silent square dance
Silent square dance, also known as headphone square dance, refers to in order to avoid the sound used in the square dance to avoid disturbing the public, the square dance enthusiasts to wear headphones, so that the accompaniment played by the radio instead of sound.
To realize silent square dancing, you need an FM transmitter. With the transmitter plugged into the original amplifier and other audio equipment, the audio signal is converted into a wireless FM FM signal that is transmitted through the airwaves. Nearby dancers will be tuned to the radio to the same frequency band, wearing headphones can be synchronized listening.