Backmasking is a sound recording effect, that deliberately reverses which media?
Reverse tape effects: Reverse tape effects are special effects created by recording sound onto magnetic tape and then physically reversing the tape so that when the tape is played back, the sounds recorded on it are heard in reverse. Backmasking: Backmasking is a recording technique in which a sound or message is recorded backward onto a track that is meant to be played forward.
magnetic tape