COMD 5070 Exam 2 Correctly Solved
The sampling rate of a digital recording will influence: - ✅✅ D
A. The overall sound pressure level of the recording
B. The distance b/w the speaker's voice and harmonics
C. The ambient noise level of the recording
D. The amount of memory needed to process and record it
A spectrum differs from a spectrogram because: - ✅✅ B
A. It is a time domain display
B. It does not represent time on its axis
The relationship between perturbation and modulation is: - ✅✅ B
A. They are mutually exclusive
B. It is possible for both to occur in the same voice
On a spectrogram (hint: not a spectrum), the x and y axes represent, respectively: -
✅✅ D
A. Frequency, amplitude
B. Time, intensity
C. Amplitude, frequency
D. Time, frequency
E. Intensity, frequency
A single vertical line on a line spectrum would represent: - ✅✅ C
A. A vowel sound
B. White noise
C. A sine wave
D. A harmonic series
E. A high pass filter
A low pass filter- ✅✅ C
A. Removes low frequencies
B. Has no effect on a speech recording
C. Blocks high frequencies
D. Amplifies vowels
E. None of the above
, We say that science is parsimonious. This means that- ✅✅ A
A. It uses the simplest explanation possible
B. It is based on the collection of data
C. It makes predictions based on physical laws
D. None of the above
Loudness is best measured by- ✅✅ C
A. Calculating the root mean square of a signal
B. Using a sound level meter
C. Having a listener make a perceptual judgment
D. Averaging the mean peak waveform height
When a signal is converted from analog to digital form, the number of 'snapshots'
per second is the- ✅✅ B
A. Quantization accuracy
B. Sampling rate
C. Nyquist frequency
D. Digitization coefficient
A simple, low tech tool for a doctor to view a person's larynx is- ✅✅ D
A. A digital kymograph
B. A flexible nasendoscope
C. A rigid stroboscope
D. A laryngeal mirror
In vocal modulation, the frequency changes over time are- ✅✅ D
A. Rapid and random
B. Slow and random
C. Rapid and rhythmic
D. Slow and rhythmic
An electroglottograph reveals details of voicing by- ✅✅ B
A. Passing a strong light through the glottis
B. Passing a current across the vocal folds
C. Passing a flexible scope through the nasal cavity
D. Passing air through the nares
The best way to avoid aliasing during a digital recording is to use a - ✅✅ C
A. Band reject filter
B. High pass filter
The sampling rate of a digital recording will influence: - ✅✅ D
A. The overall sound pressure level of the recording
B. The distance b/w the speaker's voice and harmonics
C. The ambient noise level of the recording
D. The amount of memory needed to process and record it
A spectrum differs from a spectrogram because: - ✅✅ B
A. It is a time domain display
B. It does not represent time on its axis
The relationship between perturbation and modulation is: - ✅✅ B
A. They are mutually exclusive
B. It is possible for both to occur in the same voice
On a spectrogram (hint: not a spectrum), the x and y axes represent, respectively: -
✅✅ D
A. Frequency, amplitude
B. Time, intensity
C. Amplitude, frequency
D. Time, frequency
E. Intensity, frequency
A single vertical line on a line spectrum would represent: - ✅✅ C
A. A vowel sound
B. White noise
C. A sine wave
D. A harmonic series
E. A high pass filter
A low pass filter- ✅✅ C
A. Removes low frequencies
B. Has no effect on a speech recording
C. Blocks high frequencies
D. Amplifies vowels
E. None of the above
, We say that science is parsimonious. This means that- ✅✅ A
A. It uses the simplest explanation possible
B. It is based on the collection of data
C. It makes predictions based on physical laws
D. None of the above
Loudness is best measured by- ✅✅ C
A. Calculating the root mean square of a signal
B. Using a sound level meter
C. Having a listener make a perceptual judgment
D. Averaging the mean peak waveform height
When a signal is converted from analog to digital form, the number of 'snapshots'
per second is the- ✅✅ B
A. Quantization accuracy
B. Sampling rate
C. Nyquist frequency
D. Digitization coefficient
A simple, low tech tool for a doctor to view a person's larynx is- ✅✅ D
A. A digital kymograph
B. A flexible nasendoscope
C. A rigid stroboscope
D. A laryngeal mirror
In vocal modulation, the frequency changes over time are- ✅✅ D
A. Rapid and random
B. Slow and random
C. Rapid and rhythmic
D. Slow and rhythmic
An electroglottograph reveals details of voicing by- ✅✅ B
A. Passing a strong light through the glottis
B. Passing a current across the vocal folds
C. Passing a flexible scope through the nasal cavity
D. Passing air through the nares
The best way to avoid aliasing during a digital recording is to use a - ✅✅ C
A. Band reject filter
B. High pass filter
