AVIXA CTS-I study Questions with Correct Solutions| Latest Update Graded A+
1. A limitation of using the RTA method to adjust equalization is
A. that it cannot differentiate between the direct loudspeaker sound and the interference from
combined direct and reflected energy
B. that an RTA is not available as a smartphone app, as computer software, or as dedicated
hardware
C. that it cannot differentiate between high and low frequencies
D. that it is not legal in some jurisdictions A. that it cannot differentiate between the direct
loudspeaker sound and the interference from combined direct and reflected energy
2. The advantages of using a dual-channel FFT analyzer to adjust equalization include
_ (Choose all that apply.)
A. viewing the sound spectrum in both the frequency and time domain
B. identifying reflections in the room and isolating only the signals you want
to measure
C. being less complicated than the RTA method
D. the ability to be optimized for different types of music A. viewing the sound spectrum in
both the frequency and time domain
B. identifying reflections in the room and isolating only the signals you want to measure
3. A reference microphone for setting equalization of a speaker system should
(Choose all that apply.)
A. be the same brand and type used in the system as designed
B. be omnidirectional
C. have a flat, on-axis response
,D. have a nonreflective surface B. be omnidirectional
C. have a flat, on-axis response
4. After adjusting system equalization using the best tools available, you should
. (Choose all that apply.)
A. balance amp and EQ levels by ear for best tonality
B. check the system by listening to familiar audio content
C. check the system for distortion by listening at the highest expected volume
D. change equalization off-axis to fix coverage problems A. balance amp and EQ levels by ear
for best tonality
B. check the system by listening to familiar audio content
C. check the system for distortion by listening at the highest expected volume
5. Which of the following are features of an audio signal generator?
(Choose all that apply.)
A. Generates sine wave and other signals used for setting system levels
B. Usually has both 1 kHz and 400Hz signal outputs
C. With a properly calibrated signal, can determine signal bit rate
D. Can be helpful in measuring distortion A. Generates sine wave and other signals used for
setting system levels
B. Usually has both 1 kHz and 400Hz signal outputs
D. Can be helpful in measuring distortion
Which of the following are associated with sound pressure levels?
Choose all that apply.)
,A. Is typically measured in decibels (dB SPL)
B. Is the ultimate method for quantifying background noise levels
C. Eliminates distortion in speech reinforcement
D. Can most accurately be measured with a Class 1 precision SPL meter A. Is typically
measured in decibels (dB SPL)
D. Can most accurately be measured with a Class 1 precision SPL meter
7. In what applications is an A-weighted SPL most useful?
A. In large concert halls and other Class A venues
B. In environments with low listening levels such as speech applications
C. At high-volume levels greater than 85dB SPL
D. When using a DSP-based system B. In environments with low listening levels such as
speech applications
8. For what reasons is it important to set system gain? (Choose all that apply.)
A. To minimize distortion
B. To maximize clipping
C. To maximize S/N ratio
D. To minimize the gain structure A. To minimize distortion
C. To maximize S/N ratio
9. In which situations or environments is the system optimization method of gain adjustment
preferable to the unity gain method? (Choose all that apply.)
A. In performing arts centers and lecture halls
B. For installations with short deadlines
, C. For systems with 750m V input signal levels
D. Where clipping levels will not vary within the system A. In performing arts centers and
lecture halls
Which testing tool can detect clipped waveforms? (Choose all that apply.)
A. Piezo tweeter
B. Oscilloscope
C. Reference microphone
D. Cable tracker A. Piezo tweeter
B. Oscilloscope
1. Which of the following provides a method of ensuring the best image quality between source
and sink/display?
A. HDCP
B. EDID
C. HDMI
D. Hot plug B. EDID
2. During the handshake process, data from the EDID table is sent to
A. source devices
B. sink devices A. source devices
3. Which of the following information does the EDID packet contain?
(Choose all that apply.)
1. A limitation of using the RTA method to adjust equalization is
A. that it cannot differentiate between the direct loudspeaker sound and the interference from
combined direct and reflected energy
B. that an RTA is not available as a smartphone app, as computer software, or as dedicated
hardware
C. that it cannot differentiate between high and low frequencies
D. that it is not legal in some jurisdictions A. that it cannot differentiate between the direct
loudspeaker sound and the interference from combined direct and reflected energy
2. The advantages of using a dual-channel FFT analyzer to adjust equalization include
_ (Choose all that apply.)
A. viewing the sound spectrum in both the frequency and time domain
B. identifying reflections in the room and isolating only the signals you want
to measure
C. being less complicated than the RTA method
D. the ability to be optimized for different types of music A. viewing the sound spectrum in
both the frequency and time domain
B. identifying reflections in the room and isolating only the signals you want to measure
3. A reference microphone for setting equalization of a speaker system should
(Choose all that apply.)
A. be the same brand and type used in the system as designed
B. be omnidirectional
C. have a flat, on-axis response
,D. have a nonreflective surface B. be omnidirectional
C. have a flat, on-axis response
4. After adjusting system equalization using the best tools available, you should
. (Choose all that apply.)
A. balance amp and EQ levels by ear for best tonality
B. check the system by listening to familiar audio content
C. check the system for distortion by listening at the highest expected volume
D. change equalization off-axis to fix coverage problems A. balance amp and EQ levels by ear
for best tonality
B. check the system by listening to familiar audio content
C. check the system for distortion by listening at the highest expected volume
5. Which of the following are features of an audio signal generator?
(Choose all that apply.)
A. Generates sine wave and other signals used for setting system levels
B. Usually has both 1 kHz and 400Hz signal outputs
C. With a properly calibrated signal, can determine signal bit rate
D. Can be helpful in measuring distortion A. Generates sine wave and other signals used for
setting system levels
B. Usually has both 1 kHz and 400Hz signal outputs
D. Can be helpful in measuring distortion
Which of the following are associated with sound pressure levels?
Choose all that apply.)
,A. Is typically measured in decibels (dB SPL)
B. Is the ultimate method for quantifying background noise levels
C. Eliminates distortion in speech reinforcement
D. Can most accurately be measured with a Class 1 precision SPL meter A. Is typically
measured in decibels (dB SPL)
D. Can most accurately be measured with a Class 1 precision SPL meter
7. In what applications is an A-weighted SPL most useful?
A. In large concert halls and other Class A venues
B. In environments with low listening levels such as speech applications
C. At high-volume levels greater than 85dB SPL
D. When using a DSP-based system B. In environments with low listening levels such as
speech applications
8. For what reasons is it important to set system gain? (Choose all that apply.)
A. To minimize distortion
B. To maximize clipping
C. To maximize S/N ratio
D. To minimize the gain structure A. To minimize distortion
C. To maximize S/N ratio
9. In which situations or environments is the system optimization method of gain adjustment
preferable to the unity gain method? (Choose all that apply.)
A. In performing arts centers and lecture halls
B. For installations with short deadlines
, C. For systems with 750m V input signal levels
D. Where clipping levels will not vary within the system A. In performing arts centers and
lecture halls
Which testing tool can detect clipped waveforms? (Choose all that apply.)
A. Piezo tweeter
B. Oscilloscope
C. Reference microphone
D. Cable tracker A. Piezo tweeter
B. Oscilloscope
1. Which of the following provides a method of ensuring the best image quality between source
and sink/display?
A. HDCP
B. EDID
C. HDMI
D. Hot plug B. EDID
2. During the handshake process, data from the EDID table is sent to
A. source devices
B. sink devices A. source devices
3. Which of the following information does the EDID packet contain?
(Choose all that apply.)
