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### 48 Cards in this Set

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 What are the three distinct forms of particle motion? Cylindrical, Transverse, Longitudinal How do you calculate the velocity of sound knowing the temperature? C=49 (sqr root)459.9 = degree How does temperature affect the velocity of sound? higher temp = faster sound lower temp = slower sound What is wavelength? The length of a wave. How do you calculate wavelength? wavelength = 1130/hz How can you reverse polarity? Swap pins 1&2 swap +&- reverse bananas Describe Phase. Frequency dependant time delay How do you calculate octave relationships? 2:1 ratio a doubling How do you calculate harmonics? X of fundamental. How do you calculate a range of octaves? 2^n = Fh/Fl What are the main reasons of sound system measurement? Maintenance, Artistic, leagal. What 5 basic test signals are used for sound system measurement? white noise, pink noise, shaped noise, broadband pulse, sin waves. What is White noise? Equal energy per frequency. What is Pink noise? Equal energy per octave. What are the 2 most common weighting curves used for SPL meters? A and C What dimension is a Real Time Analyzer missing? Time What is The Fourier Transform? Math calculation that converts Amp vs. Time into Amp vs. Freq. What measurement systems use FFT? SIMM, SMAART What does TEF stand for? Time Energy Frequency. What does MLS stand for? Maximum Length Sequence. What is an electronic crossover point? Where low and high output of a processor crosses. What is acoustic crossover point? when both drivers are driven at the same amp. what is amplitude correcction boost in certain areas of freq response to correct for inefficiencies of speaker cabinet. what is phase correction. time alighnment How do amplifier spec sheets denote voltage gain? x-multiplier what is power amplifier voltage gain ratio of input to output woltage how do you match amplifier voltage gain potentiometers, dip switch, front panel attenuators. What are some of the side effects of reducing the LF amplifier gain. decrease LF buildup Shifts the acoustic crossover Requires the HF driver to carry more of the MF power Ease was developed by who? Wolfgang Ahnert What other types of room input methods are there other than vertex by vertex extrude prototypes insert shape 3D name the 5 types of 3D shapes you can insert cuboid cylinder cone cupola pyramid Interior surfaces are what color? Yellow What is the hot key used to save and apply? F6 Why are most rooms modeled in the negative Y axis. direction speakers are facing when inserted. What is the command for cutting a face into two faces? Fixed cut What is the hotkey to delete unattached vertices? ctrl + Shift + F12 When adding floor to ceiling columns in a room you must? is coat of What are some of the prototypes available church, amphitheater, redubt what applicationss sis the SIM II V2.0 lab used for stand alone measurement research What are the status panels info windows at bottom of screen what are the 2 windows in Spectrum mode reference and measurement (amps vs freq) what are the 2 windows in Delay Finder mode relative amp vs. time bottom is 10x multiplier what are the 3 traces in the Frequency Response screen Freq response signal to noise (coherence) phonic what 2 choices under the setup menu reference channel are you provided with? generator input what 2 choices under the setup menu measurement channel are you provided with? output mic what is the hot key to turn the generator on? Alt G which frequency is typically used for measuring harmonic distortion? 1K what is the hot key for the auto delay in the delay finder mode? F3