The frequency of human speech is in the range of
A) 20-1000 Hz.
B) 20-3400 Hz.
C) 300-3400 Hz.
D) 20-20,000 Hz.
E) 10-25,000 Hz.
Correct Answer:
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Q5: Attenuation is greater at lower frequencies.
Q7: In general,noise can be defined as
A)loud,high amplitude
Q8: Given a frequency of 1000 Hz and
Q9: Convert 1 1/2 p radians to degrees.
A)45
B)90
C)180
D)270
E)360
Q10: The bandwidth of a signal is
A)the width
Q11: Digital signaling usually means that the information
Q12: In the telephone system,conversations are reproduced using
Q13: Delay distortion is due to
A)wait times between
Q14: Convert 45 to binary.
A)110101
B)101101
C)011111
D)100011
E)100 101
Q15: The wavelength of an analog signal is
A)the
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