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> Electronic drum module

An electronic drum module is the device in an electronic drum kit that serves as the central processing unit and sound module. The nomenclature varies (see below). For example, electronic drum modules are called "percussion sound modules" in the case of Roland Corporation, or sometimes simply modules. A common colloquial term for this device is drum brain. (see below)[1][2].

Electronic drum modules are included with most electronic drum kits. An electronic drum module is a special-purpose electronic device which accepts input from the drummer, via external triggers that are hit with regular drum sticks. When the triggers are struck, the electronic drum module interprets the signal, and generates corresponding digital reproductions of a wide variety of drum sounds. It is similar in concept to modern musical keyboard workstations, or synthesizers. With an electronic drum kit, the player hits triggering devices, (as a synthesizer player would strike the keys of the synthesizer keyboard). The electronic drum module instantly interprets electronic signals from the triggers and translates them into audible drum sounds. Most electronic drum modules emulate a wide variety of acoustic drum kit variations, with labels such as: "rock kit", "jazz kit", and "hip-hop kit". Most manufacturers also include more eclectic sounds in their modules, such as sounds from well-known drum machines, plus a large variety of ethnic, industrial, and general percussion instruments. Manufacturers of electronic drum modules such as Roland Corporation have often built unusual playable sounds into the sound banks of their electronic drum modules, to showcase the capabilities of the technology.[3] Electronic drum modules also provide advanced features such as the ability to drive digital samplers. When used in conjunction with a sampler, the sounds that can be played are practically unlimited.

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Nomenclature

"Drum Brain"

While manufacturers such as Roland use "Percussion Sound Module", such a term only describes a subset of the device's functions. "Drum brain" is a term used by drummers, equipment sellers, and other industry professionals to be more descriptive. The term "drum brain" is used to denote the fact that its primary function is to act as the central logic device within an electronic drum kit.[4][5]

Electronic drum modules vs. "drum machines"

Furthermore, an electronic drum module is not to be confused with a drum machine, which is an earlier innovation. Similar to electronic drum modules, drum machines reproduce drum sounds and programmable sequences of drum patterns. However, they are essentially limited to this purpose. "Drum machines" were introduced in the 1980s as an accompaniment device, essentially, an "artificial drummer". In contrast, an electronic drum module is designed to be an integral part of an electronic drum kit -- an interactively playable device, played (usually live) by an actual drummer as part of his or her electronic drum kit.

Electronic drum modules vs "sound modules"

Technically speaking, an electronic drum module typically contains its own "sound module". Although Roland refers to their electronic drum modules as "percussion sound modules", the term sound module is misleading in this context. In its purest sense, a sound module is a device that merely contains its own unique variety of sounds. The electronic drum module referred to in this article may be considered to contain a sound module; however the distinction of an electronic drum module is that it contains the logic circuits to serve specifically as a conversion device: its first goal is to "read" drum play, its second task is to convert that "play" into audible sounds. It may be considered a combination of two components: an analog to digital converter, which converts the drum play (analog) into digital signals, with the the latter task alone being the domain of a true "sound module".

Examples

References

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