Why do we need to * 0.5 when initialize the model?

[dalision]

why do we need to *0.5 when initialize the model?
in file stable_audio_tools/models/diffusion.py
DiTWrapper with torch.no_grad(): for param in self.model.parameters(): param *= 0.5

[sskalnik]

Possibly due to using half precision?
Or it could be a kind of brute-force normalization.