Mel Spectrogram Bin Count

Problem

Return the number of frequency bins in an FFT spectrogram: n_fft // 2 + 1, which includes the DC and Nyquist bins.

Hint

A real FFT of size N keeps N // 2 + 1 non-redundant bins.

case 1

in: [512]

expected: 257

case 2

in: [400]

expected: 201

case 3

in: [1024]

expected: 513

case 4

in: [0]

expected: 1

Starter codePython

def mel_bin_count(n_fft):
    # Your code here
    pass

4 test cases · run your code against them in the editor