| 摘要 |
Method for producing music in cars which consists in applying, to portions of the carriageway, modifications 1 to the road surface, which modifications run transversely to the direction of the cars, in the form either of indentations or of reliefs separated by selected regular intervals 2, forming sound tracks 3 in such a way that two successions of sounds of particular pitch, duration and strength are heard inside the car, one under the right-hand wheels and another under the left-hand wheels. <IMAGE> |
