which of the following is an analog signal? - ANSWER-speech sounds in air
musical tones in air
displacement of the middle ear bones
all of the above
an analog signal - ANSWER-is continuous in amplitude
is continuous in time
which of the following is an analog signal? - ANSWER-speech sounds in air
musical tones in air
displacement of the middle ear bones
all of the above
an analog signal - ANSWER-is continuous in amplitude
is continuous in time
a table of numbers could fully represent - ANSWER-a digital signal
an 8- bit A/D system has how many quantization levels? - ANSWER-256
he sampling theorem indicates - ANSWER-the minimum sample rate needed to perfectly reconstruct
a signal
aliasing during digital recording means that - ANSWER-a sinusoid is transformed into a different
frequency
anti-aliasing filtering - ANSWER-removes frequency components above the Nyquist frequency
you cannot listen to digital sound via digital headphones - ANSWER-because the sound is really
generated by analog loudspeakers
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