A phonograph, in its later types also called a gramophone (as a trademark because 1887, as a generic name in the UK given that 1910) or given that the 1940s called a document gamer, is a device for the mechanical and also analogue recording as well as reproduction of sound. The sound vibration waveforms are videotaped as equivalent physical inconsistencies of a spiral groove inscribed, engraved, incised, or satisfied into the surface of a turning cyndrical tube or disc, called a record . To recreate the noise, the surface is in a similar way rotated while a playback stylus pen traces the groove and is consequently shaken by it, extremely faintly replicating the videotaped noise. In very early acoustic phonographs, the stylus pen shook a diaphragm which produced audio waves which were coupled to the open air with a flaring horn, or straight to the audience s ears through stethoscope-type earphones. The phonograph was developed in 1877 by Thomas Edison. Alexander Graham Bell s Volta Labo...