Exploring The Generation Of A Sound

If we look through the history of music, it has become the soundtrack of every moment in human beings evolution

. The generation of a sound plays a major role in music as applied to musical instruments.

It is one of the oldest cultures human beings know and has brought the touch and making the event felt much deeper in life. It has changed much over the course of the last several hundreds of years.

Music prior to 1600 was modal rather than tonal, While music after 1600, beginning with the tonal music of the Baroque era, is often referred to as belonging to the common practice period. Going forward, today performances have become increasingly visual with the broadcast and recording of music videos and concerts.

Music videos created a large audience responding to the same visual ideas the way moviegoers do, but now as a supplement to the special meanings and rhythms that the different styles of popular music offer. Music of all kinds also became increasingly portable.

Music ranges from strictly organized compositions (and their recreation in performance), through improvisational music to aleatoric forms. It can be divided into genres and sub-genres, although the dividing lines and relationships between music genres are often subtle, sometimes open to individual interpretation, and occasionally controversial.

It may also involve generative forms in time through the construction of patterns combined of natural stimuli, principally sound. Musical instruments have been through centuries of time and have been through extreme development during the time.

Sound generation systems vary and are different for each category of instrument, and are of five types: three are for woodwind instruments; one for brass instruments, and one for non-fretted string instruments.

Woodwind instruments generate sound by using (1) a single reed in conjunction with a mouthpiece (as in a clarinet or saxophone (2) a double reed (as in an oboe or bassoon) or (3) a flat shell-like surface positioned so as to allow a stream of air to undulate over and under the edge of the shelf (as in a flute or recorder).

Brass instruments generate sound by having the player's lips buzz within the confines of (4) a cup-shaped mouthpiece. This process is common to all brass instruments and it should be noted that there are variations in embouchure and buzzing techniques which apply to the different brass instruments. The basic principle however is the same in all cases.

Non-fretted string instruments (violins etc.) generate sound by (5) setting a string into motion (vibration) either by drawing a bow across the string surface or by plucking the string with the fingers. (There are some alternative methods of generating sound from strings but these are specific to producing special effects.)

by: Jackie Spivey

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