Decoder

Running 1h 27m and made in Germany, Decoder (1984) is a Horror and Mystery film in the 123movies catalog. The cast includes FM Einheit and William Rice; Muscha directs. 43 votes put it at 6.2/10. 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.