CSE 316 · Data Communication · Forouzan Ch. 1
Turning a wave into numbers
What to look at: two knobs decide everything — how often you look (sampling rate) and how finely you measure (levels). Multiply them and you get the bit rate you must pay for.
original wave
sample instants
quantized staircase
rebuilt signal (ideal sinc reconstruction)
quantization error
One minute costs
—
uncompressed