I have been browsing around for the last few days trying to find some stuff about text to speech in android. Allot of questions were answered in that time, however I am wondering about it possibly being used in a voice call.
I know that previous questions asked (In 2010) said no because it would not be audible to the other participant of the call. I am wondering if there is anything new that might allow this to work on the newer SDK’s?
Here is to hoping!
You cannot access and manipulate the telephone service so it’s not possible to play custom audio during a call.