![]() In a broad form, the vinyl LP records sold today are not all that different from these 78s however, there are specific differences worth noting: At the playback end, a stylus scanned the groove and its motion was converted back into electrical form, amplified, and played back over a loudspeaker. To create a record, sound was converted to an electronic format that drove the cutting amplifier and cutting head. By the 1920s, record cutting and playback were generally handled by electronics. Zecas, CC BY-SA 3.0, via Wikimedia Commons.īeginning in the 1800s, the earliest 78s were recorded and played back acoustically, often with a hand crank to spin the record and a horn to amplify the sound. A pickup device (e.g., a needle or stylus) "reads" the modulated music from the groove and passes that signal on for amplification however, 78 rpm records are a specific type of record whose music was recorded, and therefore meant to be played back, by turning the record at 78 revolutions per minute (rpm).Ī 1936 spring-motor-driven 78 rpm acoustic gramophone. ![]() First things first for younger readers: An audio record generally can be defined as a flat, circular medium with a spiral groove cut into it to modulate an audio signal. The Wikipedia article on the gramophone record provides a good introduction to this type of media. What is a 78 rpm record and why digitize it? In this article, I'll look at a few things you may want to know about the project. ![]() I think this is an exciting project that should be of interest to anyone who enjoys exploring music-and especially those involved in the open community. Currently it's working to digitize the 200,000 or so 78 rpm records it has collected, and it's actively looking for contributions to add to its collection. A few weeks ago, a friend sent me a link to the Great 78 Project, "a community project for the preservation, research, and discovery of 78 rpm records." The project is supported by the Internet Archive, George Blood, and the Archive of Contemporary Music. Its purpose, first and foremost, is to convert old recordings into digital audio to preserve those historic performances for future listeners.
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