15. A method, comprising: determining a degree of tonal deafness of a recipient of an implantable auditory prosthesis, wherein the implantable auditory prosthesis is configured to operate with an external device configured to display a graphical representation that enables the recipient to compensate for tonal deafness associated with delivery of stimulation signals to the recipient; and based on the degree of the tonal deafness of the recipient, setting a predetermined display mode for the graphical representation in which the external device displays a humanoid avatar that includes at least a head that includes a mouth region; and animating the mouth region of the avatar based on the received speech signals so as to emulate vocal articulator movements of a speaker of the received speech signals.
15. A method, comprising: determining a degree of tonal deafness of a recipient of an implantable auditory prosthesis, wherein the implantable auditory prosthesis is configured to operate with an external device configured to display a graphical representation that enables the recipient to compensate for tonal deafness associated with delivery of stimulation signals to the recipient; and based on the degree of the tonal deafness of the recipient, setting a predetermined display mode for the graphical representation in which the external device displays a humanoid avatar that includes at least a head that includes a mouth region; and animating the mouth region of the avatar based on the received speech signals so as to emulate vocal articulator movements of a speaker of the received speech signals. 18. The method of claim 15 , further comprising: analyzing the received speech signals to detect an emotion of a speaker of the received speech signals; and animating one or more of features of the avatar to convey the emotion to the recipient.