Gramophone PNG pictures HD - Download Free PNG Here !!
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Gramophone PNG pictures HD

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A phonograph, in its later forms also called a gramophone (as a trademark since 1887, as a generic name in the UK since 1910) or since the 1940s called a record player, is a device for the mechanical recording and reproduction of sound. The sound vibration waveforms are recorded as corresponding physical deviations of a spiral groove engraved, etched, incised, or impressed into the surface of a rotating cylinder or disc, called a “record”. To recreate the sound, the surface is similarly rotated while a playback stylus traces the groove and is therefore vibrated by it, very faintly reproducing the recorded sound. In early acoustic phonographs, the stylus vibrated a diaphragm which produced sound waves which were coupled to the open air through a flaring horn, or directly to the listener’s ears through stethoscope-type earphones.

The phonograph was invented in 1877 by Thomas Edison. Alexander Graham Bell’s Volta Laboratory made several improvements in the 1880s and introduced the graphophone, including the use of wax-coated cardboard cylinders and a cutting stylus that moved from side to side in a zigzag groove around the record. In the 1890s, Emile Berliner initiated the transition from phonograph cylinders to flat discs with a spiral groove running from the periphery to near the center, coining the term gramophone for disc record players, which is predominantly used in many languages. Later improvements through the years included modifications to the turntable and its drive system, the stylus or needle, and the sound and equalization systems.

Advantages of Gramophone PNG Format

    • Higher bit depths (more colors) PNG allows for 1, 2, 4, 8, 16, 24 and 32 bit images, smashing the 8-bit barrier
    • A permanent, royalty-free license PNG is being developed by the W3C, and will always be a free and open standard
    • Multiple layers of transparency Gramophone PNG images allow for full alpha channel transparency, which makes moving images from one background to another easy.
    • Uses a lossless image compression technique, hence no information is lost and the image is retrieved keeping the same quality.
    • Supports all the true colors, unlike the contemporary GIF format which only supports 256 colors.
    • Alpha channel support in PNG images allows transparency of the file format which is not possible with other file formats.

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