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advantages of digital techniques - 🧠 ANSWER ✔✔possibility of making
essentially perfect copies of an original &
digital systems can be extremely flexxible and allow the routine use of
processing schemes that would be impossible to perform with analogue
systems
disadvantages of digital techniques - 🧠 ANSWER ✔✔speed (operate quite
slowly, and cannot keep up with the rate at which signals come in)
more expensive than traditional electronic systems, especially for simple
tasks
, examples of analogue signals - 🧠 ANSWER ✔✔speech sounds/musical
tones, displacements of the middle ear bones.
analogue signals - 🧠 ANSWER ✔✔continuous in time and continuous in
amplitude. (have to graph since the signal varies based on time and
amplitude
digital signal - 🧠 ANSWER ✔✔exist only at discrete, equally spaced
moments of time. (value for every signal). Between the sample points the
signal doesn't really exist.
signals are quantized. That they are limited to a set of discrete values. (no
decimal or extended numbers) must round
table represents a digital signal
quantized - 🧠 ANSWER ✔✔signal whose possible values are restricted as
two unequal values must differ by at least a fixed quantum. (a finite
number)