 
 <prompt> Wetin Edison change for im Amberol cylinders? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: In 1901, 10-inch disc records wia show face, followed for 1903 by 12-inch records. Dem fit play for more than three and four minutes respectively, while contemporary cylinders fit only play for about two minutes. In an attempt to head off the disc advantage, Edison introduce the Amberol cylinder for 1909, with a maximum playing time of 4½ minutes (at 160 rpm), wey in turn dey superseded by Blue Amberol Records, wey get playing surface wey dey made of celluloid, a plastic, wey far less fragile. Despite these improvements, during the 1910s discs decisively win this early format war, although Edison continue to produce new Blue Amberol cylinders for an ever-dwindling customer base until late for 1929. By 1919 the basic patents for the manufacture of lateral-cut disc records don expire, opening the field for countless companies to produce them. Analog disc records go dominate the home entertainment market until dem dey outsold by the digital compact disc for the late 1980s (wey later dey replaced by digital audio recordings wey dey distributed via online music stores and Internet file sharing). 