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Experience with Real Time Audio Analyzers
On Feb 26, 2:00*pm, wrote:
On Feb 26, 10:40*am, RoninTO wrote: Hello, Can anyone recommend a good Real Time Audio Spectrum Analyzer for purchase? *I assume a software/laptop solution is the most cost effective but are these analyzers accurate performers? They are as accurate as the hardware on your system allows them to be. * I will be using the analyzer to debug dead spots in my room as well as measure the performance of my speakers. * Just to let you know, even with the best tools in hand, measuring loudspeakers in a way that gives dependable, useful result is EXTREMELY difficult work. I am thinking of purchasing: *http://www.trueaudio.com/ For it's purpose, which is 1/1 to 1/24 octave real- time filtered anaylsis, I think the product is quite good and well though out. Within its limitations, I would recommend it without qualification. Has anyone had any experience with this software? * I have, I have reviewed it and I also use it in a reasonably regular basis. Also, how would I calibrate my external mic Unless you have the equipment and the e4xperience, you don't. You have several choices: you pay the money to get a trusted mic, and the more you pay, the more you can trust it; You invest in the time, experience and equipment deed to do that, which is \ many times the cost of the most trustable microphone, or you assume that whatever you have chosen is good enough and ignore the consequences. do I need the analyzer to be accurate to a 1/24 octave. It's not "accurate to 1/24 octave," it has a bandwidth resolution of 1/24 octave. Accuracy has many meanings as far as what you're trying to do. Given any arbitrary signal, programs like TrueAudio's will provide an accurate decomposition of that signal and display it with bandwidth filtering from 1/1 to 1/24 octave in width. But the accuracy of THAT signal is dependent, as you have surmised, on the microphone, the audio input system of your computer, the accuracy of the stimulation and so on. Do you have a recommended and trusted mic in mind for my purposes? Thx, Ron |
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