Thankyou, "gibberish" is good word im looking to, and i found my audio effect i need . Thank you so much

i having a question not about moho, but about amination type that all characters say something but the words not meaning, they just say " blah blah blah blah segas asdfsdg è s ... " (random words not meaning ) , what is this call ? i don't know what it call in english and specially in anim...