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The Clapper is a sound-activated electrical switch, [1] sold since 1984 by San Francisco, California based Joseph Enterprises, Inc. Joseph Pedott marketed the clapper with the slogan "Clap On! Clap Off! The Clapper!". [2] The Clapper plugs into a U.S.-type electrical outlet, and allows control of up to two devices plugged into the Clapper. [3]
Wilhelm Franz, born in Bremen in 1913, founded Elektromesstechnik Wilhelm Franz K.G. in Berlin in 1938. Two years later Wilhelm’s brother, Walter, joined the company. The Allied bombing air raids over Berlin intensified in 1943 and Franz moved to Schuttertal, then, after 1945, to Lahr, in the Schwarzwald region of south-western Germany.
The MKII version offers enhancements to the original R-8 drum machine, including additional sounds, more pattern memories, and refined programming features. It retains essential characteristics such as adjustable sound parameters—Pitch, Decay, and Nuance—and comprehensive rhythm programming capabilities. [3]
Multiple presets can be activated at once, enhancing presets that may seem weak individually by combining them for a fuller sound. [5] [6] [7] The Sigma features two joysticks for modulation control: the left joystick adjusts LFO modulation , noise modulation, and pitch bend. The right joystick controls the Sigma's high- and low-pass filter ...
A typical sound reinforcement system consists of; input transducers (e.g., microphones), which convert sound energy such as a person singing into an electric signal, signal processors which alter the signal characteristics (e.g., equalizers that adjust the bass and treble, compressors that reduce signal peaks, etc.), amplifiers, which produce a ...
The Texas Instruments SN76489 is a programmable sound generator chip from the 1980s, used to create music and sound effects on computers and video game systems. Initially developed by Texas Instruments for its TI-99/4A home computer, it was later updated and widely adopted in systems like the BBC Micro , ColecoVision , IBM PCjr , Sega's Master ...
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Robert Moog, inventor of the Moog synthesizer. An electronic musical instrument or electrophone is a musical instrument that produces sound using electronic circuitry.Such an instrument sounds by outputting an electrical, electronic or digital audio signal that ultimately is plugged into a power amplifier which drives a loudspeaker, creating the sound heard by the performer and listener.