![]() These things are easier done than said in most cases. If the above isn’t clear or sounds too complicated, let me know. I guess one would use the default 1.41 Q value for each band? I believe EQ-APO would ingest this quite happily. In that case you could have the spreadsheet spit out a file containing all 600+ frequency values. I assume one could go to the next level and automate in the spreadsheet to generate a text file suitable for EQ-APO or Peace input. Set the pre-amp value to something sensible. Either way, I manually input the 31 dB values for each of the 31 frequencies (20 Hz, 25 Hz, 31.5 Hz, etc.). But I prefer to use the graphical interface in Peace for this. On a Win box I could use Peace GUI’s preset for 31-band input. But it’s not a big limitation, since the results are quite good. I do my listening on a MacBook, so I’m limited to using a 31-band (1/3 octave) GEQ. That gives you the EQ curve you want to match in your equalizer software. create a new column with the formula to subtract the value for headphone A’s measurement from headphone B’s measurement at the relevant frequency in each cell in the new column.copy the raw column from headphone B as a new column in the spreadsheet table for headphone A (or vice versa).import them into your spreadsheet program.download the CSVs for two headphones – I’ll call the one you own A and the one you want to emulate, B.This contains the raw numbers for all 600+ measurements with frequency in one column and the measurement for that frequency in the next column. Improve the sound of your headphones Equalizer APO + Peace Tutorial You guys ever wondered how to improve the sound of you headphone via EQ. There is a CSV file provided for each headphone. Please share how you’re using the data to make target curves that make one headphone’s frequency response sound like an other’s They use ear canal blocking microphones to average 5 measurements across 5 listeners per headphone, to account for variance in pinna shape. released a video showing their frequency response methods, and I’m very impressed with their methodology. To the extent that Rtings provides some of the measurements that Jaakko uses, I trust the source measurements. Suffice it to say, if I had the extra $200 laying about, I’d buy the EARS and make filters with REW set to the Harman Kardon house curve. But I could be wrong, and the calibration files may account for this. I hear the EARS system has a shorter canal than the anatomical average. The trouble with IEM measurements is that depending on the length of the ear canal you get a node at different frequencies. On the other hand, I could buy a MiniDSP EARS system, which I’ve heard good things about – particularly for over/on-ear headphones. For instance I’m waiting for the Coolermaster HM751/752 measurements to come out on so Jaakko can make an EQ preset. Yeah, the only downside is that he is limited by the available measurements.
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