analog

analogue

atmospheric

audio

background

being

bugging

clandestine

contrast

dark

darkened

documentary

eavesdropping

emotive

espionage

film

high

inch

interview

light

listening

moody

multitrack

music

neo

noir

operated

phone

quarter

recorded

recorder

recording

reel

retro

room

shadowy

shots

spies

spool

spooling

spy

spying

style

subdued

surveillance

tap

tape

tapping

transcription

undercover

vintage

wiretap

wiretapping