8. The method of claim 1 , wherein the hearing prosthesis has a stimulation mode that switches between a stimulation-on mode in which the hearing prosthesis is set to stimulate the physiological system of the recipient in accordance with the audio input and a stimulation-off mode in which the hearing prosthesis is set to not stimulate the physiological system of the recipient in accordance with the audio input, and wherein generating the data representing the determined linguistic characteristics comprises: basing the data at least in part on the stimulation mode of the hearing prosthesis.
1. A method comprising: receiving audio input into a hearing prosthesis that is operable to stimulate a physiological system of a recipient in accordance with the received audio input, the received audio input representing an audio environment of the recipient; determining by the hearing prosthesis, based on the received audio input, linguistic characteristics of the audio environment, wherein the linguistic characteristics comprise (i) a measure of quantity of speech by the recipient and (ii) a measure of quantity of speech by one or more people other than the recipient; generating by the hearing prosthesis data representing the determined linguistic characteristics; and outputting the data from the hearing prosthesis.