Griffin-Lim is slow and is almost certainly not being used.
A neural vocoder such as Hifi-Gan [1] can convert spectra to audio - not just for voices. Spectral inversion works well for any audio domain signal. It's faster and produces much higher quality results.
A neural vocoder such as Hifi-Gan [1] can convert spectra to audio - not just for voices. Spectral inversion works well for any audio domain signal. It's faster and produces much higher quality results.
[1] https://github.com/jik876/hifi-gan