It sounds dreadful at the moment, which for me is the omnibus of the 9th Feb. I'm not sure if old Hooty has a cold or what but she sounds almost unintelligible in some sentences (those where she's cajolling her family into going to The B(ull)
In Elizabethan times the symbolic meaning of the colour indigo was power, importance and wealth.
If she has hearing problems, which do happen in old age, this may make it more difficult to control the pitch of her voice. OH says he always knows when my hearing is down because I start talking too loudly.