nnAudio2.utils.get_cqt_complex

nnAudio2.utils.get_cqt_complex(x, cqt_kernels_real, cqt_kernels_imag, hop_length, padding)

Multiplying the STFT result with the cqt_kernel, check out the 1992 CQT paper [1] for how to multiple the STFT result with the CQT kernel [2] Brown, Judith C.C. and Miller Puckette. β€œAn efficient algorithm for the calculation of a constant Q transform.” (1992).