4/6/2023 0 Comments Fuzzmeasure set graphI come to REW after slowly discovering that it is a more powerful product (tool) than FuzzMeasure, which I have been using up to this point. I'll be sure to donate to REW's development before Christmas. I want to congratulate John on having developed a fantastic product. Make graphs that show RT 60 or frequency responses for example what are some popular measurement softwares EQ wizard, Fuzz measure pro, SMAART, ARTA what are you looking for in measurement graphs room modes, reflections, RT 60 peaks what is the starting frequency of comb filters the space in between them divided by two what frequnecy range does professional studios aim for +- 3dB what frequency range does home studios aim for +- 5 dB what is weighting on frequency graphs how much data is displayed on the graphsĪlso called resolution what weighting should you use for LF 1/24 or 1/48 8va what are gate curves/windows used for determines how much of the room sample recorded is used for particular analysis what is a schroeder plot energy decay calculation used to determine the time frame to be used for RT60 calculationsĭifferentiates between the decay of energy in the sapce and the noise floor.There is as much science as art in room correction and I hope to get a little closer to being able to be more productive and scientific in my work. Perform a calibration once for the interface and the calibration file is loaded each time you open the software Measurement software what are the two types of test signals mls and swept signal what is a mls test signal maximum length sequence, and is a digitally generated "white noise" burst that is spectrally flat what is swept signal a sine wave that quickly sweeps through the entire frequency range from 20-20k what can a measurement software do Do a real time calibration of the soundcard each measurement Keep smaller speakers away from walls when possibleĬheck manufacturer requirements what are the three measurement important stuff frequency, amplitude, time` what do you need to take acoustic measurements in a room a test signal Most active monitors have controls/switches on the back to compensate for boundary gain what are some solutions to boundary gain flush mount large speakers Same amount of energy radiated over ½ the area = doubling of pressure = 3dB increase in LF amplitude LF that have a ¼ wavelength equal to the distance between the speaker and boundary will cancel completely what affects the amplitude of a mode in a room the distance the speaker is from a node and a antinode where is ideal speaker placement away from nodes, antinodes, and modes what are some causes of boundary gain LF Output from speaker when placed against single wall Identical frequency response how should speakers be placed to the mix position speakers form a triangle with the mix position each angled 60 degrees what are two issues with the distance a speaker is from the wall speaker boundary interference responseĬoupling of room modes how should to high frequency drivers relate to the listening position hf drivers should have direct line of sight to the listening position with an angle no less than 15 degrees what is a speaker boundary interference Deviations in speakers's perceived frequency response due to interference created by close proximity boundary reflections what happens with LF and speaker boundary interference Only occurs with LF created peaks and notches in LF response. How should speakers placed in a room in the length of the room what are ways to maintain imagery the arrival times from both speakers must be equal
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