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Digital and analog signals are a means of representing information. Digital signals can only take certain discrete values, such as two in the binary system, e.g. high and low.
Commonly seen as e.g. TTL and CMOS ICs and microcontrollers.
Digital synthesizers operate entirely in the digital domain with the waveforms and aparent processing of them (such as FM) being derived mathematicaly from data. The data stream is converted to an analogue waveform by the use of DACs (Digital to Analogue Converters). Digital synthesizers produce an analogue waveform (as a variable voltage electrical signal) at the outputs (i.e. the jack sockets).
- ^ Video Explains Why Difference Between Analog, Digital Isn’t What Most People Think by Peter Kirn, 29 July 2013
- ^ Very poorly written and non technical, Digital synthesizer talk page, Wikipedia
- Wikipedia:Digital Signal
- Wikipedia:Digital Electronics
- Wikipedia:Digital synthesizer
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