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COMD 5070 Rosen and Howell quiz 1 With 100% Correct Answers

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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 you cannot listen to digital sound via digital headphones - ANSWER-because the sound is really generated by analog loudspeakers quantization refers to - ANSWER-the assignment of an analog value to the nearest digital value available 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 low-pass filtering during DAC playback - ANSWER-is mandatory to eliminate the 'steps' in the analog waveform

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  • comd 5070 rosen and howell quiz 1 with 100 correc
  • comd 5070 rosen and howell quiz 1 with stuvia
  • which of the following is an analog signal answ

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COMD 5070 Rosen and Howell quiz 1 With 100%
Correct Answers

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

you cannot listen to digital sound via digital headphones - ANSWER-because the sound
is really generated by analog loudspeakers

quantization refers to - ANSWER-the assignment of an analog value to the nearest
digital value available

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

low-pass filtering during DAC playback - ANSWER-is mandatory to eliminate the 'steps'
in the analog waveform
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