fix Audio buffer is not finite everywhere (#108)

audio_separator/separator/uvr_lib_v5/spec_utils.py

@@ -342,7 +342,7 @@ def cmb_spectrogram_to_wave(spec_m, mp, extra_bins_h=None, extra_bins=None, is_v
 
     for d in range(1, bands_n + 1):
         bp = mp.param["band"][d]
-        spec_s = np.ndarray(shape=(2, bp["n_fft"] // 2 + 1, spec_m.shape[2]), dtype=complex)
+        spec_s = np.zeros(shape=(2, bp["n_fft"] // 2 + 1, spec_m.shape[2]), dtype=complex)
         h = bp["crop_stop"] - bp["crop_start"]
         spec_s[:, bp["crop_start"] : bp["crop_stop"], :] = spec_m[:, offset : offset + h, :]