A woodwind instrument is a musical instrument in which sound is produced by blowing through a mouthpiece against an edge or by a vibrating reed, and in which the pitch is varied by opening or closing holes in the body of the instrument. Woodwind instruments were originally made of wood, as the word woodwind implies.
There are three main sorts of woodwind instrument:
Single Reed instruments use a reed -- a thinly sliced piece of cane, (or less frequently, plastic) -- that is held against the aperture of the mouthpiece with a ligature. When air is forced between the reed and the mouthpiece, the vibrations create the sound. Single reed instruments include the clarinet and saxophone families of instruments.
Double Reed instruments use two precisely cut, small pieces of cane joined together at the base. The finished, bound reed is inserted into the top of the instrument and vibrates as air is forced between the two pieces of bound cane. There are two sub-families
exposed double reed instruments, where the reed goes between the player's lips. The oboe, cor anglais (also called english horn) and bassoon make up the more popular instruments within this family.
capped reed instruments, where there is a cap covering up the reed with a hole in that the player just blows through. This family includes the bagpipes and the crumhorn
Flute woodwind instruments where the sound is produced by blowing against an edge. There are two subfamilies
open flute family, where the player uses their lips to form the stream of air which goes directly from the players lips to the edge, e.g. the transverse flute. Modern flutes are made of either silver or gold.
closed flute family, where the instrument forms and directs the stream over the edge. This family includes whistle and the recorder family.
One interesting difference between woodwind and brass instruments is that woodwind instruments are non-directional. This means that the sound produced propagates in all directions with approximately equal volume. Brass instruments, on the other hand, are highly directional, with most of the sound produced traveling straight outward from the bell. This difference makes it significantly more difficult to record a woodwind instrument accurately. It also plays a major role in some performance situations, such as in marching bands.
Although brass instruments were originally made of brass and woodwindinstruments have traditionally been made of wood, the material used to make the body of the instrument is not always a reliable guide to its family type.
For example, the saxophone is typically made of brass but is classified as a woodwindinstrument due to the fact that it has a reed.
On the other hand, the cornett (not to be confused with the made-of-brass cornet) and serpent, although made of wood (or PVC pipe in the case of modern serpents), are in the family of brass instruments because the vibration which originates the sound is done with the lips of the player.
A woodwindinstrument is a wind instrument in which sound is produced by blowing through a mouthpiece against an edge or by a vibrating reed, and in which the pitch is varied by opening or closing holes in the body of the instrument.
As the name implies, such instruments were originally made of wood, but some modern woodwinds, such as the saxophone, are made of other materials.
Single-reed instruments use a reed, which is a thinly sliced piece of cane or plastic that is held against the aperture of the mouthpiece with a ligature.
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