Table 7 Correlation coefficients between the MUSHRA scores and the L1 and MR-STFT errors for the conditions of the MUSHRA listening test. In the last row (“Total”), the samples of the different conditions are considered together. \(\mathcal {L}\) is the sum of the L1 and MR-STFT errors and is the loss function used for training HT Demucs and the GCNTF networks

From: Blind extraction of guitar effects through blind system inversion and neural guitar effect modeling