Regardless of where you stand on the issue, both digital and analog recording have their merits.
We felt it necessary to break down the two recording methods to give you a better understanding - so the next time you’re in a heated audiophile debate, you will have more ammo to hold your position.
No matter which recording process used, analog or digital, both are created by a microphone turning air pressure (sound) into an electrical analog signal.
An analog recording is made by then imprinting that signal directly onto the master tape (via magnetization) or master record (via grooves) – from which copies can be made into cassette tapes and vinyl records.
Digital recordings take that analog signal and convert it into a digital representation of the sound, which is essentially a series of numbers for digital software to interpret.
After the analog signal is digitalized, the recording can be copied and placed onto a compact disc, hard drive or streamed online.
Bandwidth is the ability of a recorded signal to be reproduced at varying degrees of resolution. Think of it like enlarging a low-resolution image versus a high-resolution image. After a certain point, enlarging a lower-resolution image will become pixelated and difficult to see, where the hi-resolution image will resize clearly.
Like images, audio signals can have a limited bandwidth if recorded digitally. Once a digital recording is made, the bandwidth is set in place.
An analog recording is considered unlimited. Therefore, it can move to a higher and higher resolution without losing its original quality.
Why does bandwidth matter? It really depends on what you’re listening to your music with. If you have a pair of overpriced earbuds that cost $8 to make but you paid $200 to cover the company’s advertising budget, then you’re probably ok with any mediocre bandwidth.
On the contrary, if you’ve invested in quality audio reproduction speakers (like the Klipsch Reference Premiere series speakers) – the greater the bandwidth, the greater potential you have for sound.
The signal-to-noise ratio (SNR) is the amount of noise generated by the recording’s signal to your speakers. Digital recordings can have a greater signal-to-noise ratio depending on the bit depth of the recording.
What the hell is bit depth, you say? Think of a sound wave in a digital recording format to looking more like a set of stairs, rather than smooth hills
The smooth analog signal matches the recorded sound wave better than the steps of a digital recording. However, the analog medium (vinyl or magnetized tape) the recording is imprinted on can have tiny imperfections that cause cracking and popping noise.
Digital music can be stored, played and streamed on multiple transportable digital products (CD’s, phones, mp3 players, etc.). Outside of tape players, analog-recorded music is fairly immobile.
Digital recordings can be played and copied endlessly without ever losing their original quality. Over time, vinyl records and tapes can lose their audible value when being played or copied.
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