![]() It's still a home studio because it's in my home and I don't do anything commercial with it, but it's pretty much mastering grade, all with materials that are available in a builders yard and the special sauce, someone that knew what they are doing. It's basically flat between 23hz (slightly rises at 20hz I believe) and 20Khz - we actually tuned in a more natural response curve. The difference between this and something like Sonarworks (commercial software that I tried for a laugh beforehand) cannot be overstated. To not cause a problem for the listening environment. In the end after I built it was also tuned with DSP by the professional, has what you would normally call 4-way speakers with the subwoofers going to a higher frequency than most would consider normal and even the desk was specifically chosen In the end I built it myself with a huge amount of acoustic treatment (lost a large amount of the volume room), but more that that I enlisted the help of a professional who could do the maths and help with not just the trapping but also the panels that are needed. I am lucky enough to have a spare room in my house, and set out to build a studio (an almost life-long dream) and decided that I didn't want to compromise on the acoustics and spent some time looking into the subject. Properly thought out and tuned acoustic work is what is needed. This type of software, is just a bandaid and really doesn't work very well (though it can work better with headphones). I will try to tune up my FDM 50mm headphone design so that it sounds at least as good as my original resin printed design, and then look at building a better characterization rig. This hobby work of mine goes slowly, but I appreciate your suggestion. I have some nice little capsule mics I was playing with that would work nicely, and I have a datasheet for those that probably includes a curve. However this little adventure has encouraged me to consider building the little head dummy. Do look at my linked tweet for those FR curves. But for my relative tests I just shoved my podcast mic, Audio Technica AT2005USB up to the center of the driver on one side of the headphone. What I wanted to do was build a little headphone test dummy head. But since I don't have a calibrated microphone, it is more useful for doing relative comparison between my headphone designs than it is for providing absolute numbers. It was only today that I did any kind of frequency response testing. For the original set I just compared them to my friend's expensive headphones. and all the beat frequencies will be in sync when we take the LCM so simply take LCM of beat frequencies of each pair and you will get the answer.Yes I always wanted to do them. Note: when there are more than two sources keep in mind that each pair will have different beat frequency and net beat frequency will occur when all the different beat frequencies of each pair are in sync. Hence, the final beat frequency will be 30. ![]() As the final beat frequency will be the LCM of all the beat frequencies obtained and LCM of all these will be 30. Which is given by the difference between the combination.īeat frequency of (201,206) will be 5 and Now we will find the beat of each combination. ![]() There are four source of frequency so there will be $^4 = 6$ combinations Hint: Here there are four sources so in order to find overall beat frequency you need to find beat frequency of each combination and then take the LCM of beat frequency of each combination to find the final beat frequency. ![]()
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