Using your computer as basic oscilloscope!

10 years 5 months ago #46 by gamoesp
While I'm working on my own arduino based oscilloscope (someday, someday...), I would like to share one really helpful tool to analyse your generated audio signals in case you don't have a real oscilloscope by hand.

Its called iSpectrum, and you can find further info and download it on its website .



Unfortunately, its only available for Mac, but for sure there are thousands of applications like this one for other platforms. I've been using this one for a while and it is pretty nice since it includes a real time oscilloscope with some basic configuration parameters and a really useful real time FFT calculator to get a nice home-made spectrum analyzer.

Probably many of you already knew about these kind of tools, but I think that anybody working at home with the pedalSHIELD should know about this!

Do you know of any other better than iSpectrum, or at least capable to run on other platforms?
The following user(s) said Thank You: JR, dgbillotte

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10 years 5 months ago - 10 years 5 months ago #47 by gamoesp
And this is how I'm doing some testing on my pedalSHIELD :lol:



Basically feeding the pedal with a signal generator on my phone and extracting and representing the generated signal on my computer... Really useful to check if the software on the arduino is working properly
The following user(s) said Thank You: Ray

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9 years 4 months ago #216 by dgbillotte
iSpectrum was definitely helpful for initially getting going with my pedal shield after I got it built. One of the simplest but most useful features was the "play through" option. With this I could both see and hear the signals out of my pedal without plugging into an amp. That said, after using it for a couple hours it hung up and then crashed. Ever since then, every time I open iSpectrum it comes up and then promptly crashes. I'd like to get that sussed out, but also found a simple little tool that just passes the mic input to the output OSX output channel. Its called LineIn and available here: www.rogueamoeba.com/freebies/

cheers!
The following user(s) said Thank You: Ray

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