It’s not *that* high pitched. Surely anyone can hear that until the age they start going completely deaf.
I do remember a family camping holiday in south France where we there were really loud crickets, but mum & dad couldn’t hear them at all. That sound was higher pitch though.
@gerry0_0 or lowering the chance of human error through confidence in the process? - i think that was what DS was talking about http://twitter.com/beezly20 hours ago
i can hear it too..
It’s not *that* high pitched. Surely anyone can hear that until the age they start going completely deaf.
I do remember a family camping holiday in south France where we there were really loud crickets, but mum & dad couldn’t hear them at all. That sound was higher pitch though.