MTEC 277 Practice Questions and Answers 2025- 2026 Guide, Exams of Music and Technology: Algorithmic and Generative Music

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MTEC 277 Practice Questions and Answers 2025- 2026 Guide

MTEC 277 Practice Questions and Answers 2025- 2026 Guide A pure tone and pitch ofa single Hz is called a (nol available in nature) - CORRECT ANSWER- sine wave A sound wave has a phase relationship with itself. It is measured in degrees. One complete phase cycle is measured al?- CORRECT ANSWER-360 dogrocs Ampliuude is- CORRECT ANSWER-The power of the waveform Engineers refer to the Lome relationship difference between two or more waves using whal term - ¢Phase Sound waves are what type of energy - CORRECT ANSWER-Acoustical Speed of sound? - CORRECT ANSWER-1130 ft/ sec at 70 degrees Standard reference tuning - CORRECT ANSWER-"A* 440.0 Hz This can describe the propagation of a sounds measured “distance” - CORRECT ANSWER- Wavelength This high pressure area of air molecule movement? - CORRECT ANSWER-Compression This is the low-pressure area of air molecule movement - CO. \NSWER-rarefaction What are the four basic comments of a complex wave shape or envelope (in ordeR) - CORRECT DSR Fundamental What is the term used to describe the movement and displacement of air molecules? - CORRECT ANSWER-7.526 ft What is the wavelength of 400 Hz at 71 degrees? - CORRECT ANSWER-2.827 What musical term can best be used to describe frequency? - CORRECT ANSWER-P itch Oscillation of a system to high amplitude of a certain Hz best describes...- CORRECT ANSWER-Resonance Which boundary shape can best focus and concentrate reflected sound waves to a center area - CORRECT ANSWER-Concave Which of the following waveforms includes the fundamental plus all odd harmonic frequencies? - CORRECT ANSWER-Square Which metering type allows a visual display of average signal and reacts more like the human ear? - CORRECT ANSWER-VU Meter The successive doubling of a fundamental tone’s frequency and its partials results in the - ANSWER Octave What is the unit of measurement that best describes the ratio of two levels of amplitude? - CORRECT ANSWER Decibel Device that converts onc energy form into another- CORRECT ANSWER-Transduccr When sound waves are constricted and bounce off boundaries, they may collide with dircel. CORRE: NSWER-Standing waves waves, Which room mode has a decrease of an amplitude from rarefacted areas of standing waves? - ANSWER Node Arandom, non-repetitive and complex sound would be a good example of having periodic waveform characteristics - CORREC ER-False Having transducer devices that exhibit flat frequency response would not be desirable in equipment use - CORRECT ANSWER-False Two signals with similar frequency content but different amplitudes, played together can create the issue of - CORRECT ANSWER-False What type of masking is frequency based? - CORRECT ANSWER-Spectrals What type of masking is time based? - ~Temporal Two sine wave signals of different but close frequencies, played together can create the acoustical effect called... - CORRECT ANSWER Beating A device that changes one more aspects of an audio signal best describes... - CORRECT A material with a coclfiecent factor of of 0.40 would reflect 40% of the incident soundwave - CORRECT ANSWER False A materials coefficient is 0.40 would mean which of the following? - CORRECT ANSWER-40% absorption of the sound source Early reflections gives the sound source location and true timbre of the sound. - CORRECT ANSWERFalse Which input transducer converts fluctuating waves of magentismin ito audio signals or electrical signals? - CORRECT ANSWER-Tape Head What is the multiplication factor of log (P1/P2) to express the equation of dB (watts/power)? - CORRECT ANSWER-10 ANSWER -3dB What is the difference in dB (power) between 1a0watts and 7awatts? 3dB What is the difference in power dB between 40 watts and 4 watts? - CORRECT ANSWER-10dB Ifa direct sound is measured at 15 feet 84dB, what would be the dB measurement at 50 feet? - CORRECT ANSWER-72dB Inverse Square Law formula stales thal. for every doubling ofa distance from a sound source, the dB measurement. also doubles proportionally? - CORRECT ANSWER-False According to OSHA standards for sound exposure, as dB levels increase so are the recommended time exposures. - CORRECT ANSWER False Which frequoney contcnt arca is Lhe human car mos| scnsilive Lo? - C WERMid Which end of a XLR connector receives information? - CORRECT ANSWERFemalo A balanced cable sends signal level at -10dB - ¢ Which cable type best helps to avoid audio interference?- CORRECT ANSWER-Balanced An RCA cable and connector uses three conductors for a balanced, safe connection of digital data? - CORRECT ANSWER-False Which of the following best describes dynamic range? - CORRECT A ER-The total range of amplitude level a sound or device can produce or handle from the lowest to highest. Tt is good practice when recording into a digital system to have signal levels slightly above the range and into the headroom area. True or False? - CORRECT ANSWER-False It is best practices when recording audio signal to have low SNR? True or False? - CORRECT Consumer audio technologies use which one of the following signal levels? (Look carefully) - ANSWER -l0dBy The total opposition of electrical current in an electrical circuit best describes which one of the following? - CORRECT ANSWER-Impedence To physically match the connectors and change the impedance ratings from low to high can be accomplished with what audio “tool”? - CO! This parameter controls the time the compressor takes to return to unity gain. - ANSWER Rel ORBECT SE This parameter controls the amount of time that elapses before the compressor begins to attenuate the output level - CORRECT ANSWER-Attack This determines the change or the amount of work done from the input level to the output level - Ratio A dynamic processor whose output does not exceed a preset level, regardless of the input level - CORRECT ANSWER Limiter Which one of the following dynamic processor parameters sets the transition characteristic from non-compressed slale Lo compressed stale of processing? - CORR. What is the Sample Rate standard for digital audio for video? - CORRECT ANS Device component that converts analog signal inpul source Lo digital outpul cade best describes ADC What is the mentioned digital protocol name for digital “consumer” RCA cable system usage? - CORRECT ANSWER S/PDIF A ADAT Lightpipe optical cable can carry up to how many channels of data? ANSWERS Binary coding in digital technology is used for its long processing time of manipulating and Comparing analog and digital specifications, analog frequency is best compared to... - ANSWER-Sample Rate Increasing the Sample Rate and/or Bit Depth of digital encoding does not increase the need of CPU and storage needs. - C WER Red Book The Nyquist Thereom basically states that in order to accurately capture an analog signal in the digital domain, technology needs to be able to have a sample rate of twice the highest Hz in the NSWER-Truc Inercasing the Sample Rate and/or Bit Depth of digital cncoding does not increase the need of CPU and storage needs. - CORRECT ANSWER-False The periodic measurement of time of an analog signal best describes which of the following. - ANSWERSample Rate Using the digital copy protection system of SCMS, which code allows for no digital copying or ANSWER-Status 10 What is the Sample Rate standard for CD quality audio? - CORRECT ANSWER-44.1 kHz