Midi Controller Keyboards

With the advancement of science and technology the production of music has gone through a lot of changes

. The modern kind of music is composed using digital means. Digital music is also generally known as electronic music. This music is composed of digital signals which undergo various digital processes in order to be reproduced in its original analog form. A digital signal is formed up of two levels only-0 and 1.

This signal is broadcast in the shape of bits with each bit either zero or 1.To convert an analog signal to a digital format analog-to-digital converters are used ;to convert a digital signal to analog form digital-to-analog converters are used. The digital music is noiseless, distortion free to a large extent and reconstructing it to its original analog form is a straightforward process. Digital music has become popular because of its advantages in recording, distribution and production.

The analogue music is first converted to a digital form and then sampled at a particular bit resolution. The bigger the sampling rate and bit resolution the more accurate is the digital music got. This music is then subjected to digital signal processing methods where various filtrations take place. In this step different effects can be added to the music signal. After the completion of this step, music is stored in various devices like CD, DVD, USB Flash Drive, Hard Disk ; etc .

Also info compacting systems are applied to reduce the dimensions of the music files. Some of the ordinarily applied methodologies are Vorbis or MP3.The last step is conversion of this digital media into analog form. The digital music is down sampled at a selected sampling rate and bit resolution to obtain the first music.

assorted sound effects can be applied to the digital form of music. An ordinarily used protocol for this purpose is MIDI ( Musical Instrument Digital Interface ) .A MIDI controller is a device which is used for the control over various musical instruments, programming effect modules and automating mixers. It could also capture live musical performances into electronic form and then transfer it to a synthesizer.

Synthesizers are devices which create electrical signals by mixing signals of different frequencies. There are various kinds of MIDI controllers-keyboard controllers, guitar controllers, wind controllers, percussion controllers and foot pedals. Stage lighting has gained momentum over the last few decades. Blinding light effects may also be made by the utilization of little MIDI controllers.

by: James Lee.

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