Description
Many car owners like to listen to the radio while driving, or prepare some favorite CDs in the car to relieve driving fatigue while listening to music. However, have you ever thought of listening to the wonderful music from the road? An invention by Japanese engineers will make dreams come true.
Melody Road has two roads, which are located in Gunma and Wakayama. These two roads are marked with distinctive color staff. When drivers pass by, Melody Road can play the Japanese song "See the Last Night and the Stars" as long as the speed is kept at 4 kilometers per hour! Isn't it amazing? In fact, its principle is very simple. When the car passes through the grooves on the highway at a certain speed (commonly known as washboard road ~), the friction between the tire and the ground will make a specific sound, which is related to the spacing between the grooves. The smaller the spacing, the higher the tone. That is to say, as long as we have enough patience to make enough grooves on the road, we can also let Chang 'an Avenue in China play "Xi Shua".
How it works
The working principle of Music Highway is very simple. Divide the trajectory left on the ground during the driving of the car into several sections according to certain standards, and set small deceleration ridges or ground markings on the ground. When a car passes by, the space between the car chassis and the road surface will rumble. According to the distance of the driving track, when the car passes by, it can produce different and patchy music and melody, so that a piece of music can be played. However, people must control the speed at 45 kilometers to enjoy wonderful music. Too fast or too slow will produce the effect of playing fast or slow.
The idea that creativity comes from the "music highway" of life was originally put forward by a man named Tomio Tada. He accidentally used a bulldozer to crush some engineering debris on the road surface. When he drove through here again, he accidentally heard various sounds coming from under the car. Later, engineers in Sapporo, Japan, perfected the design of the strip field and developed this new technology, including using infrared rays to detect uneven and dangerous roads. If you want to get a beautiful melody, people must close the window and control the speed at 45 kilometers per hour to make the "Music Highway" sing heartily. Driving fast will produce the sound of fast forward, and as low as 2 kilometers per hour will produce the effect of slow playback.
application case
three "music highways" have been born in central and northern Japan. The road surface of this kind of highway is marked with different colors of music notation, and when cars drive in, the road will make a pleasant sound.
The first music road pavement in China was built in an ecological community in changge city New District. This road is a combination of physics, acoustics and music. When the vehicle passes by at a constant speed, the air impact sound generated when the tire contacts the kerf of the road surface and the slight vibration generated when passing through the groove are combined into music and melody with different heights and rhythms, and the corresponding music is played.
Practical application needs to be improved
Because people have different tastes, their preferences for music are of course different. But as far as the current technology is concerned, the "Music Highway" can only play a fixed piece of music according to the designed mode. At the same time, it is not easy to get a beautiful melody. People must close the windows and control the speed at 45 kilometers per hour to make the "Music Highway" sing to the fullest. Driving fast will produce the sound of fast forward, and if the speed is less than 2 kilometers per hour, it will produce the effect of slow playback. For those passionate rock enthusiasts who want to seek dynamic and people who advocate music DIY, the practical application of "Music Highway" is far from meeting their needs.
The above is the introduction of the working principle and application cases of "Music Highway" provided by Construction Network.
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