פירוש על ברכות 29:23

The teaching of R. Judah the son of R. Simeon b. Pazzi, viz. the deaf person may separate the Terumah ab initio, is in agreement with R. Meir's view that the Shema' may be read inaudibly ab initio.

R. Judah's view that the act of the deaf person is only allowed post factum agrees with the statement of his teacher, R. Eleazar b. 'Azariah, that post factum only is the inaudible reading of the Shema' permissible.