ClearNav designers:

Please continue to ignore Cochrane's idea for numeric data by voice.
Devices that do that are horridly annoying. It does not work; voice
is painfully slow compared to a glance to the panel and it is
disruptive to thinking as the information arrives at the convenience
of the machine rather than when the pilot wishes to receive it.

Voice is a good idea only as a brief alert to something important that
the pilot should be advised of that he might not know. Good
application is: AIRSPACE stated exactly once and then not again for
the same airspace segment for say 5 minutes. It only takes once to
make the pilot aware of the issue so that he can monitor it.
Similarly LANDING GEAR stated exactly once please. Another
applications for voice would be below 2000 feet near an airport CTAF
ONE TWENTY TWO POINT FIVE ZERO. Or perhaps a voice battery warning
BATTERY ELEVEN POINT FIVE stated once until sometime later BATTERY
ELEVEN POINT THREE. When below 300 feet AGL and below a threshold
airspeed the computer might warn AIRSPEED.