mono
monophonic
single-channel
stereophonic
stereo
two-channel
ambisonics
sound engineering
mixdown
downmix
quadraphony
quadraphonic system
quadriphonic system
pan pot
radiotelephony
discrete
tuner
crossfeed
vworp
perspective
reel-to-reel tape recorder
biamping
autodyne
barefoot
audio system
sound system
stereoization
reproducer
microphone
playback
radio
time shifting
voice-over
out-of-band signaling
audiotrack
plain old telephone service
headroom
audio amplifier
telephone
telephone set
woofer
phone
radio drama
telephony
tapework
voice
dynamic headroom
sidechaining
transcription
phone system
stereo system
telephone system
triamping
tweeter
audiophilia
stereophonic system
biwiring
microphoning
stereophony
boom box
Frippertronics
mastering
acoustic device
detectograph
multichannel recorder
5.1
surround sound
radiotelephone
crossband
telephonograph
wireless telephone
high fidelity sound system
hi-fi
telephonometric
multitransmitter
tune out
radio telephony
channelize
high fidelity
subchannel
doubletrack
supersonic
stereofied
ultrasonic
radiodiffusion
album
trunked
lowpass
TRS connector
multichannels
paraphony