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Consumer Electronics by S. P. Bali

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ASSEMBLING A SYNTHESIZER

A modern synthesizer contains most of the building blocks mentioned above. To give an idea of how these blocks might be put together to make a sound, Fig. 25.8 shows in block diagram form a representative method of interconnection (traditionally with the aid of patchcords). The heart of the system is the VCO, its frequency determined primarily by the control voltage from the keyboard. By properly tuning the keyboard, it is possible to generate a chromatic scale. In addition, a 6 Hz sub-audio sine wave control voltage vibrato modulates the primary frequency.

 

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Fig. 25.8 One typical way of interconnecting blocks of a ...

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