Decoder (1984) is a Horror, Mystery, Science Fiction film that follows f.M. discovers that different sonic frequencies induce different patterns of behaviour in listeners, first in his own studio but later in the local "H-Burger" restaurant where the passive muzak appears to be wiping people's emotions. Currently, you can watch Decoder on YouTube TV, Fandor Amazon Channel. Streaming availability may vary by country and platform over time. It has a user rating of 6.2 out of 10 from 41 votes. Fans of horror movies may also want to explore similar titles below.