I'm kinda new in this field, and I have a following situation. There is a 1s long audio signal, with Fs = 96000Hz, and I have 96000 samples accordingly. If I do a single FFT on the entire signal, I get this 1Hz frequency and 48000 points, resulting in a very "fat" logarithmic spectrum, like in the picture below.
How can I reduce resolution and thin out my plot without reducing sampling rate?
Thanks in advance.