Flow of audio from sound waves

Analog- Digital - Analog

 

English: A flow of audio from sound waves through a microphone to an analog voltage, A-D converter, computer, D-A converter, analog voltage, speaker and finally as sound waves again.

Español: Un flujo de audio de ondas de sonido a través de un micrófono a un voltaje analógico, convertidor AD, computadora, convertidor de DA, el voltaje analógico, altavoz y, finalmente, de nuevo como las ondas de sonido.

Fuente: wikipedia http://en.wikipedia.org/wiki/Digital_audio

Analog signal - digital signal

An analog or analogue signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal. For example, in an analog audio signal, the instantaneous voltage of the signal varies continuously with the pressure of the sound waves. It differs from a digital signal, in which a continuous quantity is represented by a discrete function which can only take on one of a finite number of values.

Crankshaft - Cigüeñal

Funcionamiento de un cigüeñal.