However, it appears that only noise in the human vocal range will be accepted for messages. (voicebot.ai)
A stressful situation, like an important presentation or meeting, causes many to push their voices outside of their natural vocal range, which makes it sounds thin and weak. (entrepreneur.com)
Actual vocal range seems pretty subdued for both casts, but it works well with the subdued feeling of the story. (psnation.com)