I am currently playing FF5 with Iori's SPUv1.45(1), and is very accurate! No glitches, etc!
(the default Buffer Size of 8 is fine, it just clicks a bit when using a tent/cottage/inn)
Sound Buffer Size: 12
XA Buffer Size: 32
Hi-Res Mode: On
Wait for XA Buffer is Free: On
Enable Noise and Freq Modulation: On
Enable Reverb: On
Sound Buffer Size: 12
XA Buffer Size: 32
Hi-Res Mode: On
Wait for XA Buffer is Free: On
Enable Noise and Freq Modulation: On
Enable Reverb: On