Augmentative and alternative communication (AAC) is an umbrella term that encompasses methods of communication for those with impairments or restrictions on the production or comprehension of spoken or written language.
ɔːɡmˈɛntətˌɪv ænd ɔːltˈɜːnətˌɪv kəmjˌuːnɪkˈeɪʃən ˌeɪˌeɪsˈiː ɪz ɐn ʌmbɹˈɛlə tˈɜːm ðæt ɛŋkˈʌmpəsᵻz mˈɛθədz ʌv kəmjˌuːnɪkˈeɪʃən fɔːɹ ðoʊz wɪð ɪmpˈɛɹmənts ɔːɹ ɹᵻstɹˈɪkʃənz ɔnðə pɹədˈʌkʃən ɔːɹ kˌɑːmpɹihˈɛnʃən ʌv spˈoʊkən ɔːɹ ɹˈɪʔn̩ lˈæŋɡwɪdʒ.