their own. Analog by definition means a recorded

signal that fluctuates exactly like the original

signal. Digital signals are those that have been

broken apart into a binary code that uses 1’s and 0’s

to determine on or off values. At the first look, it

seems that it would be better to use the original

analog signal, which holds the ‘true’ elements of

video and sound. In television, due to the different

types of television screens and many pieces of

equipment, quality can be lost in wires and other

sources when it comes to analog recording. In the

process of digitization, the signal is converted to a

binary code, which will not lose quality over many

generations. Nowadays, advancements in technology

have led to digital television. With HDTV, a whole

new world has been opened up in the television

To digitize an analog signal, it must be sampled. The

loss in video and audio. With the appeal of the

lines which are scanned in an interlaced manner.

480p,and 720p; while, HDTV scans at 1080i and 1080p.

reaches the bottom and then scans line two and all the

The most obvious difference in an NTSC television and

Some topics in this essay:
NTSC HDTV, , HDTV Digital, digital television, aspect ratio, analog signal, interlaced scanning, original analog signal, 169 aspect ratio, benefits digital television, original analog, scans line, scanning rates, equally spaced, quality loss, binary code,