spectrogram

Years ago, I posted here an app I wrote, called soundspec, that could take an audio file, or many files, and creates a spectrogram PNG image from each file. That app is old, and was never very portable. I re-wrote that app recently in Go. It now runs on many operating systems (macOS, Windows...

So when you have a .wav file, open it on audacity (or any other software which allows spectrogram), it instantly converts the sound into this beautiful 2D graph Now let's say the background audio is mostly silent And the only sound that is being heard from time to time is gunshots, so every...

What I have in mind is something similar to Spurious Free Dynamic Range. You have maximum signal and any other signal whether noise, harmonic or intermod distortion or jitter spurs or idle tones or aliasing or anything that should not be there with the signal. I would propose the clear to...