Physics Of Vinyl Records

It will create the exact ups and downs on the vinyl record surface.

Physics of vinyl records.

Sound is recorded on a vinyl record by copying the shape of the sound wave onto a groove on the record. I don t get how after this when reproducing the exact same ups and downs the vinyl record recreates the different voice timbers. People in the former soviet union made records out of discarded x ray film they played well but didn t last long. At first the discs were commonly made from shellac with earlier records having a fine abrasive.

Vinyl not only holds the imprint of the sound wave well it s also cheap and durable. Various materials will do this better than others. The groove usually starts near the periphery and ends near the center of the disc. The shape of the groove mimics the shape of the pressure wave just like the plots i ve shown you above.

Shop for vinyl cds and more from physics at the discogs marketplace. In this post we ll go over a number of factors that may determine the value of a particular. Because all sound is vibration edison knew if he. The first functioning record player called a phonograph was made by thomas edison in the late 19th century.

Though his machine looked different than modern record players it operated on the same principal. Explore releases from physics at discogs. Get youtube without the ads. Establishing vinyl records value is an inexact science and there are a number of factors that go into determining whether a given record is something that will bring a lot of money from a collector or something that would best be used as a place mat.

Let s say two people with different voice timbers say i like vinyl records with the same level of voice. The resolution is given by the recording device s precision when it cuts the groove. Engineer amanda ghasshaei who has a b s.