Most often, the appropriate hand controls the pitch and the remaining controls the quantity, While some performers reverse this arrangement. Some low-Price tag theremins use a conventional, knob-operated quantity control and also have just the pitch antenna. The theremin uses the heterodyne principle to crank out an audio signal. The https://zanekakub.fare-blog.com/38701190/not-known-facts-about-mezzanine-safety-gates-uk