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Michael Green
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PostSubject: analog and digital   Fri Aug 23, 2013 10:01 am

This thread is dedicated to our two primary audio languages analog and digital

Analog signals and digital signals are commonly referred to in stereo systems. But what do the terms mean? More importantly, what difference to they make in terms of the stereo's performance? Digital is generally regarded as a cleaner and more effective signal, with analog slowly going the way of the dodo. But what is the cause of that transition and how does it impact the way we listen to our music?

The other question is, does digital have what it takes?

"Analog reproduces the subtleties and variances of sounds more readily, since its signal can vary in tone. For those who don't worry too much about extra clarity, analog can work just fine; it's done so for quite awhile without many complaints."

At first listen I would have to give analog the edge, but maybe I say this in haste as I am starting to find players that actually deliver more of that "analog" sound when tuned and made as variable as the analog sources are.

how do the signals work?

Analog Signals

An analog signal is a constant electrical signal sent through wires into and through audio equipment to the speaker. The signal is analogous to the original data it is copying (i.e., the sound), hence the name. It has proven to be an extremely reliable technology for many years if the conditions of the mechanics are good.


Digital Signals

Unlike analog signals, digital signals are not constant. Instead, they constitute a series of pulses, each the exact same amplitude and lasting the same length of time. The pulses thus create a binary code of 1s and 0s, similar to the way computers store data. They don't rise and fall the way analog signals do.

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PostSubject: Re: analog and digital   Fri Aug 23, 2013 10:22 am

Do you know how a CD works?

Digital Function

The compact disc is an optical medium for storing digital data. As a practical matter, the only difference between the music a CD was originally invented to record, and the common data storage use of today, is the contents of the disc and the device that is reading it. Data is encoded onto a CD through a series of minuscule indentations called "pits." The spaces between pits are called "lands." The changes between pits and lands are read as binary code by a scanning laser.


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