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Radio signal analyser

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Feature request Fine grain zooming using two-finger scroll (mouse wheel) would be convenient. I use an audio tool called Izotope RX that does this nicely. Note it keeps the height...

I thought it would be handy to see signal bandwidth in kHz when adjusting plot deviation. See screenshot I used signals and slots to update the UI, for that I...

This is a feature to implement a frequency offset, found just below the sample rate. If at 0, Inspectrum will function as it has before, with the center at 0...

Increasing time resolution by narrowing the fft window function. The window function now is a Kaiser bessel function. Also, I removed some variables that were not used.. They are just...

Since SigMF uses plain tar archives, this should be straightforward to support. We can parse the file header records then mmap the sample data in-place (without any extract step).

Feature request: It would be nice to be able to open .wav files straight into inspectrum.

![inspectrum-misaligned](https://user-images.githubusercontent.com/578095/83018514-59d74f80-a01d-11ea-964d-ff08cb4d5697.jpg) vs. ![inspectrum-aligned](https://user-images.githubusercontent.com/578095/83018515-5a6fe600-a01d-11ea-8670-9d89586343ba.jpg)

Suggestion: It would be nice if the sample rate could be stored/read in from a filename. I often store it in the filename anyway, and it would be an easy...

Trying install it with Homebrew & Macports using instructions, but it not works, ERROR says it missing CMakeLists.txt when try to cmake .. Here it is - 1@MBP build %...

Navigate using the horizontal (time) scrollbar on a laptop without a mouse is painful, sometimes it is slow to go to the desired time/offset by scrolling using clicks and it...