![]() PS: to help clarify, here's a screenshot from Fuzzmeasure of what I'm aiming to achieve. I’ve also tried exporting each SPL measurement in REW and selecting the ‘normalise’ option during the export but when I re-import the measurements they’re not normalised to the same dB level. In Fuzzmeasure, there a little tick box for each measurement that allows the frequency domain to be normalised, but I cannot find a similar option in REW. My question is: how do I normalise frequency response (SPL) measurements?įor example: I want to compare my SPL measurements against those from another room, so it would be useful to normalise each reading to make the comparison easier. However, I have a newbie question that I’m struggling to find an answer for, having searched this forum and the REW Manual (5.1)… So far I’m really enjoying some the extra functionality offered by REW. SuperMegaUltraGroovy’s FuzzMeasure 4.0 is OS X-only software that analyses recordings of self-generated sine sweeps to produce an array of graphs and charts, designed to reveal different aspects of room behaviour. It goes over some other microphone specs that are important to consider.I’m a REW newbie, having arrived here from starting out with Fuzzmeasure (which I also like). What many studio DIY-ers would find useful is more hard data, and that’s where the subject of this review comes in. Rational Acoustics has a great guide for anyone looking to put together a measurement rig. That being said, if lower end microphones are used variance between them must be taken into account when comparing data from different microphones. For system tuning, it's definitely possible to achieve satisfactory results with the DBX or RTA-420. If you're measuring the response of a loudspeaker in an anechoic chamber for R&D purposes, you'll want a microphone that will color the data as little as possible. The quality of the measurement mic needed is largely determined by the context of its use. You're able to buy them by the pallet from a supplier in Asia, and the companies put their respective logos on them. ![]() Another interesting thing is that the Rational Acoustics RTA-420 and the DBX RTA-M are exactly the same microphone, a PHM919. This should give you a good idea of the variance we're talking about. All fit in all my physical restraints and budget desires. Here is a chart of 85 ECM8000's compared to each other. That said due to size restraints in my studio and price (really dont wanna pay 15k+ for some monitoring) desires I have narrowed it down to either getting: Focal SM9. DBX or Behringer will purchase the capsule graded lower, with a +/- 6 dB variance from reference, for a lower price than the higher graded capsules. Earthworks will purchase capsules of a certain grade, say with +/- 1.5 dB variance from reference (numbers for example only). After the capsules are manufactured, they are measured and graded based on their deviation from the desired frequency response. While it is true that some measurement microphones use the same capsules (RTA-M/Earthworks), what separates them in price is the consistency from microphone to microphone found in the more expensive brands. In Fuzzmeasure, there a little tick box for each measurement that allows the frequency domain to be normalised, but I cannot find a similar option in REW. AudioTools w/ SMAART add on or SignalScope Pro.Īs I said been doing a good bit of research on this lately so hope this helps some. By combining sophisticated technology with an elegant user interface, FuzzMeasure offers an unparalleled experience. It delivers a comprehensive suite of features for professionals in research, acoustics, live sound, room design, and pro audio. Then there is the iOS software options if you wanted a really mobile option. FuzzMeasure is an audio and acoustic measurement tool to produce, analyze, and publish beautiful graphs. It looks to do it all just more fiddly as open source tends to be. ![]() Then there is REW its cross platform, free, and open source. But it can do anything you will need it to. Thought is getting up there in price and is about compatible to the two channel version of SMARRT. SpectraFoo is another really good option. If you are on a mac you have a few more options than PC.įussMesure is pretty basic but if you just need basic snap shot graphs it will get the job done. If you wanted to go the USB mic route look at the MiniDSP UMIK-1.Īs far as software goes. Thought the Daton EEM-6 is pretty tempting. Only other mic that hasn't been mentioned that I think falls in this range is the Rational RTA-420 if its good enough for SMAART its good enough for me.
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