- HD 1080
- Runtime: 87m.
- Status: Released
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- Languages: de
- Country: Germany
- Director: Muscha
- Stars: FM Einheit, William Rice, Christiane Felscherinow, William S. Burroughs, Genesis P-Orridge
- Production_studio: Fett Film
- Slogan: Information is like a bank. Our job is to rob the bank.
- providers: Fandor Amazon Channel
- The Decoder is featured in the top rankings of 1984
- #6 in Top Mystery Movies of 1984
- #10 in Top Horror Movies of 1984
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.