CPC version two we're doing spatial contrast prediction so that principle is very generic and it can apply to any morality or domain so you don't need to know the underlying data augmentation in variances in this work and it can be considered as latent space channel tomorrow and also it's much easier to adapt for audio video text and perform multimodal training disadvantages it splits your input into a lot of patches or frames or even audio chunks and therefore your inputs are now your inputs are now basically split into