Whoever you considered your cat, he doesn’t share your sense of kinship. In his eyes you are just a very large cat with which he shares his safe territory. Cats are quite capable to recognize the voice of the host, but prefer to ignore. The reasons for this behavior seem to be associated with the evolutionary history of the species. These kittens are only 3 weeks old, but they already know the voice of the owner. They ran up to her and demand their portion of petting. Cats are more actively respond to the voice of the owners. This suggests that they distinguish between the voices of owners and strangers, but the reaction is barely noticeable compared to dogs.