Phonetic reversal

Phonetic reversal is the process of reversing the phonemes or phones of a word or phrase. When the reversal is identical to the original, the word or phrase is called a phonetic palindrome. Phonetic reversal is not entirely identical to backmasking, which is specifically the reversal of recorded sound. This is because pronunciation in speech causes a reversed diphthong to sound different in either direction (e.g. eye [aɪ] becoming yah [jɑː]), or differently articulate a consonant depending on where it lies in a word, hence creating an imperfect reversal.

Backmasking involves not only the reversal of the order of phonemes or phones, but the reversal of the allophonic realizations of those phonemes. Strictly speaking, a reversal of phonemes will still result in allophones appropriate for the new position; for example, if a word with a final /t/ is reversed so that the /t/ is initial, the initial /t/ will be aspirated in line with the conventional allophonic patterns of English phonology.

According to proponents of reverse speech, phonetic reversal occurs unknowingly during normal speech.

Examples

In 1974 album Rock Bottom, the track Little Red Riding Hood Hit The Road presented the chord progression along with Robert Wyatt's singing being both phonetically reversed at one middle point of the song, which turned the track's harmonics to be reversed from the beginning although Robert Wyatt restarted to sing normally, causing an original and disturbing effect.
In 1982, John Wright of NoMeansNo sang phonetically reversed lyrics on the backing vocal to the "Rich Guns" track on the band's first album, Mama.
In the 1984 American film Amadeus, lead character Wolfgang Mozart claims to Constanze Weber that "[in Salzburg] everything goes backwards". He then proceeds to deliver a series of phonetically reversed phrases, many of them vulgar, which she must guess by reversing them out loud.
In the television drama Twin Peaks, the Man from Another Place's character's speech was phonetically reversed. The Simpsons then used the technique to parody that Twin Peaks episode in "Who Shot Mr. Burns? (Part Two)".
Singer/songwriter/multi-instrumentalist Jim Ure is better known by his phonetically reversed name Midge Ure.
Kate Bush used phonetic reversal in her songs "Watching You Without Me" (1985) and "Leave it Open" (1982).
On the song by Radiohead "Like Spinning Plates", Thom Yorke actually sings the first verse voiced and sounded out backwards, and then the final cut of the album studio version has that superimposed back-masked as the first verse of the song, so it would be cognizant as being sung forward to the listener, albeit with unnatural intonation and inflection apparent in his voice.
A specific recording of the phrase "In the mix" exists that is a phonetic palindrome, and is often used by Turntablist DJs for this reason.
In the 2008 monster film Cloverfield, after the credits, a broken sound recording can be heard of Rob saying "...help us...", as at the end, he and his girlfriend were trapped under a bridge. If reversed, it sounds like Rob saying "...it’s still alive..."
In 2007, backwards speaking radio sensation "Backwards Dave" (David Klempfner) beat the Guinness World Record Holder, David Fuhrer aka "Mr Backwards" in a backwards-speaking competition live on Triple J.^[1] In 2008, Dave performed on Australia's Got Talent saying "Does Australia Have Talent?" in phonetic reversal.^[2] In 2012 Backwards Dave appeared on Channel 7's "Sunrise", an Australian TV show.^[3]
During the opening theme song for Gravity Falls, a whisper is heard saying, "I'm still here." However, if you reverse it, it says, "Three Letters Back." That is a clue to the ending credits code. The whisper is changed to "Switch the A with Z" in Double Dipper, "26 Letters" in Bottomless Pit, "Key Vigenere" in Scary-Oke, and "Not What He Seems" in the episode with this title (while still using the Vigenere cipher).

References

↑ "Backwards Dave Vs Mr Backwards". Retrieved 2012-02-09.
↑ "Backwards Dave on Australia's Got Talent". Retrieved 2011-05-03.
↑ "Backwards Dave on Sunrise". Retrieved 2012-02-09.

EV: Audio reversal in popular culture
Script for Amadeus
Boy can talk fluently backward - Yahoo!7 (November 13, 2013)

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