Motherese Around The World
Motherese is fairly similar across languages, with shorter phrases, simpler grammar, different versions of words, repetition, slow speech, higher pitch, and many exaggerated speech contours.
Vietnamese
Chinese
Spanish (Fatherese!)
French (Fatherese!)
Italian
German
Dog
Although this could be called 'Infant-directed,' the input is not of linguistic origin and therefore is not beneficial for babies. At least, babies who are trying to learn a human language. Also, please remember to supervise your children around pets! :)