ComD 5070 1.3 Questions and Answers
a low pass filter - ANSWER-blocks high frequencies
a power spectrum is a type of - ANSWER-frequency domain plot
a simple, low tech tool for a doctor to view a person's larynx is - ANSWER-a laryngeal
mirror
A single vertical line on a line spectrum would represent - ANSWER-a sine wave
a table of numbers could fully represent - ANSWER-A digital signal
a typical range of variation for fundamental frequency (F0) during reading passages
would be about - ANSWER-3 semitones
aliasing during digital recording means that - ANSWER-a sinusoid is transformed into a
different frequency
an analog signal - ANSWER-speech sounds are in air, musical tones in air,
displacement of middle ear bones
an analog signal (microphone) - ANSWER-continous in time, continous in amplitude
an electroglottographreveals details of voicing by - ANSWER-passing a current across
the vocal folds
anti-aliasing filtering - ANSWER-removes frequency components above the nyquist
frequency
as sound travels through air, it does so as a - ANSWER-longitudinal pressure wave
as the voice increases in intensity - ANSWER-SQ increases and OQ decreases
can you measured pitch with an insurement? - ANSWER-no
complex tone have - ANSWER-more than one sinewave
direc measurement of lung pressure is achieved by - ANSWER-puncturing the neck
with a needle below the vocal folds
frequency difference limen - ANSWER-the smallest detectable change in frequency
frequency is - ANSWER-physical phonemenom
