For Macs, Quicktime with New Audio Recording lets you hear yourself (if you're wearing a headset or earbuds). This helps modulate tone and prevent "yelling at t

For Macs, Quicktime with New Audio Recording lets you hear yourself (if you're wearing a headset or earbuds). This helps modulate tone and prevent "yelling at the computer" phenomena. A recording doesn't have to be made. It's like having a free audio "monitor."