45worlds Forum - View Single Post - How were acoustic records duplicated?

13th Jul 2020, 9:14 AM
	carryonsidney a happy disposition is an omnious sign.... Member since Feb 2010 1707 Points Moderator	@Mojofilter: Luigi Brugnatelli invented electroplating in 1805, it just seems the record industry was a bit slow to realise that it could be used. As to the Q of when the industry started using the process, there is a newsreel film taken in 1920/30's, although it may be confusing to understand. The process used in it is a type of electroplating. All plating up to today is done using acid and alkaline solution in parts of the process (one of my former jobs). The distinction here is really between the disc production and music recording. Advances in electrically recording sounds came in at the end of the 20's with "Talkies" and use of electrical amplification and recording devices, i.e., microphones took off by the 1930's. Most if not all 78s post 1930 are electrically recorded. Edited by moderator on 15th Jul 2020, 9:24 PM

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