Audio Media | Museum of Obsolete MediaAudio Media Timeline A brief history of audio recording and playback, from the 1850s onward, including details of all the audio media in the Museum in chronological order of introduction. Phonograph Discs and Cylinders Media for sound recording or playback that use the vibration of a stylus or needle following a spiral groove on a revolving disc or cylinder. . Magnetic Tape for Audio Audio formats
