Electronic drum

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Electronic drums are a modern electronic musical instrument, primarily designed to serve as an alternative to an acoustic drum kit. Electronic drums consist of an electronic sound module which produces the synthesized or sampled percussion sounds and a set of pads, usually constructed in a shape to resemble drums and cymbals, which are equipped with electronic sensors to send an electronic signal to the sound module which outputs a sound. Like acoustic drums, the pads are struck by drum sticks and they are played in a similar manner to an acoustic drum kit, albeit with some differences in the drumming experience.^{[citation needed]}

The electronic drum (pad/triggering device) is usually sold as part of an electronic drum kit, consisting of a set of drum pads mounted on a stand or rack in a configuration similar to that of an acoustic drum kit layout, with rubberized (Roland, Yamaha, Alesis, for example) or specialized acoustic/electronic cymbals (e.g. Zildjian's "Gen 16"). The drum pads themselves are either discs or shallow drum shells made of various materials, often with a rubber/silicone or cloth-like coated playing surface that provides some rebound to sticks. Each pad has one or more sensors that generates an electronic signal when struck.^{[citation needed]}

The electronic signal is transmitted through cables into an electronic or digital drum module ("brain" as it is sometimes called), synthesizer or other device, which then produces a sound associated with, and triggered by, the struck pad. The sound signal from the drum module can be plugged into a keyboard amp or PA system for use in a live band performance, listened to with headphones for silent practice, or patched into an audio mixer for a recording session. Since digital drums have become more popular in the 2000s, companies have started selling digital electronic drum kit sound files, referred to as "drum kits". While electronic drum kits are typically used to trigger drum and percussion sounds, a MIDI-equipped electronic drum kit can be used to trigger any types of MIDI sounds.^{[citation needed]}