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Drum memory was a magnetic data storage device invented by Gustav Tauschek in 1932 in Austria. [1] [2] Drums were widely used in the 1950s and into the 1960s as computer memory. Many early computers, called drum computers or drum machines, used drum memory as the main working memory of the computer. [3]
The Roland DDR-30 Digital Drum module is designed to pair with PD-10 and PD-20 pads to form the Alpha Drum System, or via MIDI controller (e.g. Roland Pad 8). [3] The DDR-30 and Alpha Drums was the first-generation of Roland electronic drum sets.
At the time of their introduction the storage capacity exceeded any other random access mass storage disk or drum. There were three models of FASTRAND drives: FASTRAND I had a single drum. The large mass of the rotating drum caused gyroscopic precession of the unit, making it tend to spin on the computer room floor as the Earth rotated under it ...
USB flash drive: Various USB 1.1/2.0/3.0/3.1 2000/2001 1 TB+ (not to scale) Universally compatible across most non-mobile computer platforms, their greater size suits them better to file transfer/storage instead of use in portable devices
The IBM 2301 is a magnetic drum storage device introduced in the late 1960s to "provide large capacity, direct access storage for IBM System/360 Models 65, 67, 75, or 85." The vertically mounted drum rotates at around 3,500 revolutions per minute, and has a head-per-track access mechanism and a capacity of 4 MB.
The DDD-1 (Dynamic Digital Drums) is a sampling drum machine released by Korg in 1986. [1] [2] It was Korg's first drum machine equipped with MIDI control and it features 14 velocity-sensitive pads, 12-bit samples, and limited user sampling that allows for the addition of new sounds. It also offers sound expansion through ROM cards, six ...
This later device shares the control array and display of the DR-220, with the addition of a MIDI In port. The MkII version had access to 91 16-bit drum sounds, allowing the user to control parameters of each sample such as decay length and filtering. It had 64 preset patterns and room for 64 user-created patterns.
The SpecDrum was an 8-voice machine (i.e. it allowed the user to load 8 different percussion samples). However it only had 3 output channels (i.e. maximum polyphony of 3 samples at a time) - the first channel could trigger the 'bass drum' voice, the second channel was used for the three snare/tom voices, and the third channel for the remaining ...