There are two videos linked from the "supplementary information" section of the paper: https://www.nature.com/articles/s41467-022-28859-8#Sec14 https://www.natu

There are two videos linked from the "supplementary information" section of the paper: https://www.nature.com/articles/s41467-022-28859-8#Sec14 https://www.nature.com/articles/s41467-022-28859-8#Sec14 In particular, the second video shows sessions where he is spelling out words with the audio-interactive system