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Occasionally, more complex timers with two motors are seen. A drum sequencer is a reprogrammable electromechanical timing device that activates electric switches in repetitive sequences. These sequencers were primarily used in industrial applications to enable automated manufacturing processes.
Drum sequencer (controller) A cam timer controller device This page was last edited on 28 December 2019, at 08:24 (UTC). Text is available under the Creative ...
Hydrogen is an open-source drum machine created by Alessandro Cominu, an Italian programmer who goes by the pseudonym Comix. [1] Its main goal is to provide professional yet simple and intuitive pattern-based drum programming. Hydrogen was originally developed for Linux, and later ported to Mac OS X and Windows.
Oramics (1957) controls sounds by graphics on films. Variophone (1930) by Evgeny Sholpo—on earliest version, hand drawn waves on film or disc were used to synthesize sound, and later versions were promised to experiment on musical intonations and temporal characteristics of live music performance, however not finished.
Instead of being radially arrayed on a disc, the sequence of pictures depicting phases of motion is on a paper strip. For viewing, this is placed against the inner surface of the lower part of an open-topped metal drum, the upper part of which is provided with a vertical viewing slit across from each picture. The drum, on a spindle base, is spun.
[5] [9] E-mu first used the Zilog Z80 microprocessor in the 4060 Programmable Polyphonic Keyboard and Sequencer released in 1977 and continued to use Z80 processors in many of its designs through SP1200 in 1987. [1] [5] [6] [12] [13] Roger Linn hired Dave Rossum to review the electrical design of Linn LM-1, the first digital drum machine.
A drum machine is an electronic musical instrument that creates percussion sounds, drum beats, and patterns. Drum machines may imitate drum kits or other percussion instruments, or produce unique sounds, such as synthesized electronic tones. A drum machine often has pre-programmed beats and patterns for popular genres and styles, such as pop ...
Metric levels: beat level shown in middle with division levels above and multiple levels below. In music and music theory, the beat is the basic unit of time, the pulse (regularly repeating event), of the mensural level [1] (or beat level). [2]