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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]
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 ...
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 Linn 9000 was Roger Linn's first attempt to create an integrated sampling/sequencing/MIDI workstation, but it was plagued with problems from the beginning. [5] [6] On early models, the power supply over-heated the CPU and had to be replaced under warranty, but insurmountable issues with the Linn 9000's operating system forced its eventual demise.
Although not designed as a high-end studio product, the DR-110 nonetheless featured some noticeable advances in technology compared to previous Roland drum machines. It has an LCD graphic display, showing a step-programming grid for the various drum voices. Rubberized touchpads each represent one of the DR-110 voices, and can be used to build a ...
The Dynacord ADD-One (advanced digital drums) is a German-manufactured, American-designed [3] drum machine that was first released in 1986. It uses recorded samples to produce its sounds through analog voltage-controlled envelopes and analog filters with resonance, to self-oscillation per voice.
Linn had designed the successful LM-1 and LinnDrum, two of the earliest drum machines to use samples (prerecorded sounds). [3] His company, Linn Electronics, had closed following the failure of the Linn 9000, a drum machine and sampler. According to Linn, his collaboration with Akai "was a good fit because Akai needed a creative designer with ...
The IBM 2315 disk cartridge stored 1 megabyte of data. An early disk cartridge was a single hard disk platter encased in a protective plastic shell. When the removable cartridge was inserted into the cartridge drive peripheral device, the read/write heads of the drive could access the magnetic data storage surface of the platter through holes in the shell.