Compact Disk Introduction
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Since the idea of sound recording was first conceived in the mid 1800s, the struggle to improve reliability and quality of the stored audio data has been ongoing. Various methods of physically recording the analogue signal had varying levels of success until in 1980, electronics giants Phillips and Sony proposed to the industry a standard format for what had already become known as the Compact Disk or CD. The proposal was for a small, round disk made of moulded polymer, capable of storing a huge amount of digital data via a series of pits and troughs burnt onto its surface by a writing laser. The level of quality offered by digital audio data, together with the convenience and size of the CD quickly made it the industry standard for the publication of all music. Today CDs of all kinds are everywhere and used for the storage of all kinds of data. This report is to examine the physicality of the device itself as well as the practicality and advancement of its manufacturing process Since the idea of sound recording was first conceived in the mid 1800s, the struggle to improve reliability and quality of the stored audio data has been ongoing. Various methods of physically recording the analogue signal had varying levels of success until in 1980, electronics giants Phillips and Sony proposed to the industry a standard format for what had already become known as the Compact Disk or CD. The proposal was for a small, round disk made of moulded polymer, capable of storing a huge amount of digital data via a series of pits and troughs burnt onto its surface by a writing laser. The level of quality offered by digital audio data, together with the convenience and size of the CD quickly made it the industry standard for the publication of all music. Today CDs of all kinds are everywhere and used for the storage of all kinds of data...