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Cam timers and drum sequencers were primarily used with industrial machines to control repetitive sequencing operations. The cam followers often operated hydraulic valves. Cam timers in industry were superseded with the introduction of programmable logic controllers (PLCs), which offer improved flexibility and more complicated control logic ...
The PLC originated in the late 1960s in the automotive industry in the US and was designed to replace relay logic systems. [2] Before, control logic for manufacturing was mainly composed of relays, cam timers, drum sequencers, and dedicated closed-loop controllers.
However drum sequencer in this context means a thing like a cam timer with a rotating drum, not an 808 or a 303. Andy Dingley ( talk ) 07:39, 9 July 2010 (UTC) [ reply ] AB has a patent on the "Programmable Logic Controller", abbreviated PLC.
Music sequencer and a score editor. Anvil Studio: Windows: Freemium: Willow Software Score, piano roll, tablature, event list: Full-featured MIDI editor & sequencer with staff, piano roll, percussion, event list, and audio editors. Ardour: FreeBSD, Linux, macOS, Windows: GPL-2.0-or-later: Paul Davis, and The Ardour Community Piano roll, event list
One of the earliest analog sequencers of the modular synthesizer era since 1960. Later, Robert Moog admired Buchla's unique works including it [8] Moog 960 Sequential Controller [9] / 961 Interface [10] / 962 Sequential Switch [11] (c.1968) [12] A popular analog sequencer module for the Moog modular synthesizer system, following the earliest ...
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.
[9] [10] [11] The analog SSM2044 filter chips (ICs) contribute to the timbre of E-mu's drum machines. [3] [5] [6] [7] The characteristic sound has sustained demand for the SP-1200 more than thirty-five years after its debut, despite the availability of digital audio workstations and samplers/sequencers with superior technical specifications.
The sequencer offers six tracks [nb 1] programmable either by playing in real time or via a step input method similar to classic drum machines and sequenced synthesizers. The sequencer also features what Elektron refer to as a "parameter locks", where each sequencer step can be associated with a snapshot of all the editable parameters for a track.