soft
whispering dome
aspiration
bated breath
breath
breathy voice
buzz
cry
drone
droning
exhalation
gabble
gibber
gibbering
gossip
grapevine
hearsay
jabber
jibber
little voice
low voice
maundering
mouthing
mumble
mumbling
murmur
murmuration
murmuring
murmurish
murmurous
mutter
muttering
rumble
rumor
rustling
scuttlebutt
sigh
soft voice
stage whisper
still small voice
susurrant
susurration
susurrous
susurrus
talk
underbreath
undertone
whisper
whispery
noise