static Matrixf melspectrogram()

in StreamingASR/StreamingASR/app/src/main/cpp/librosa/librosa.h [145:154]

• 10 lines of code
• 1 McCabe index (conditional complexity)

static Matrixf melspectrogram(Vectorf &x, int sr, int n_fft, int n_hop,
                        const std::string &win, bool center,
                        const std::string &mode, float power,
                        int n_mels, int fmin, int fmax){
  Matrixcf X = stft(x, n_fft, n_hop, win, center, mode);
  Matrixf mel_basis = melfilter(sr, n_fft, n_mels, fmin, fmax);
  Matrixf sp = spectrogram(X, power);
  Matrixf mel = mel_basis*sp.transpose();
  return mel;
}