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The information-sending device (any electronic instrument) is called a controller, and the reading device (such as a computer) the sequencer. Pitch, dynamics, decay rate, and stereo position can all be transmitted via the interface. A computer with a MIDI interface can input and store the sounds produced by the connected instruments, and can then manipulate these sounds in many different ways. For example, a single keystroke may change the key of an entire composition. Even a full written score for the composition may be automatically produced, with software capable of producing this in real time, as the instrument is played.
Blue represents the sea and the sky. The points of the trident represent the three principles of democracy: government of, for, and by the people. Effective date: 30 November 1966.
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