Voiced consonant
A voiced consonant is a sound made as the vocal cords vibrate, as opposed to a voiceless consonant, where the vocal cords are relaxed. Examples are:
Voiced Voiceless B P D T G K V F THem THing Z S pleaSure SHut
In Japanese, the voicing sign is a dakuten (゛). For historical (but not phonologically valid) reasons, the sign that turns h into p is called a handakuten, or half-voicing (゜).
(h -> p (half-voice) -> b (voiced))