Voice changer
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The term voice changer (also known as voice enhancer) refers to a device which can change the tone or pitch of or add distortion to the user's voice, or a combination and vary greatly in price and sophistication. A
kazoo The kazoo is an American musical instrument that adds a "buzzing" timbral quality to a player's voice when the player vocalizes into it. It is a type of '' mirliton'' (which itself is a membranophone), one of a class of instruments which modifi ...
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didgeridoo The didgeridoo (; also spelt didjeridu, among other variants) is a wind instrument, played with vibrating lips to produce a continuous drone while using a special breathing technique called circular breathing. The didgeridoo was developed by ...
can be used as a makeshift voice changer, though it can be difficult to understand what the person is trying to say.


Hardware implementations

The earliest voice changers were electronic devices usually used over the telephone for the purpose of disguise. There are low-priced, small
lithium battery Lithium battery may refer to: * Lithium metal battery, a non-rechargeable battery with lithium as an anode ** Rechargeable lithium metal battery, a rechargeable counterpart to the lithium metal battery * Lithium-ion battery, a rechargeable batte ...
-powered voice changers that are used between a phone's mouthpiece and the user's mouth. More sophisticated voice changers have different levels of various distortion effects variable by faders.


Software implementations

Nowadays, software implementations are very common. There is a plethora of techniques that modify the voice by using different algorithms. Most algorithms modify the voice by changing the amplitude, pitch and tone of the voice. The pitch plays an important role from changing a male voice into female voice, and vice versa. The results of voice changing through software are quite impressive and satisfactory. "
Voice cloning Digital cloning is an emerging technology, that involves deep-learning algorithms, which allows one to manipulate currently existing audio, photos, and videos that are hyper-realistic. One of the impacts of such technology is that hyper-realistic ...
" software can mimic the sound of a specific person's voice based on recordings of that voice.


Appearances in media

* Voice changers can be seen in various movies, including ''
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Saw A saw is a tool consisting of a tough blade, wire, or chain with a hard toothed edge. It is used to cut through material, very often wood, though sometimes metal or stone. The cut is made by placing the toothed edge against the material and mo ...
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'', ''
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Talkboy Talkboy is a line of handheld voice recorder and sound novelty toys manufactured by Tiger Electronics in the 1990s. The brand began as a result of a promotional tie-in with the 1992 film '' Home Alone 2: Lost in New York''; the most well-known pro ...
voice changer was used in '' Home Alone 2: Lost in New York''. * Current affairs television shows and documentaries will sometimes employ the use of voice changers to disguise the voice of someone who wants to remain anonymous. * In the
anime is Traditional animation, hand-drawn and computer animation, computer-generated animation originating from Japan. Outside of Japan and in English, ''anime'' refers specifically to animation produced in Japan. However, in Japan and in Japane ...
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'', the mysterious detective, named "L", uses voice distortion when talking through his computer, to his boss, Giovanni, used a voice changer until the end of the original series. It distorted his voice, making him sound like a robot. *
Conan Edogawa , known in some major English adaptations as Jimmy Kudo, is a fictional character and the main protagonist of the manga series ''Case Closed'', created by Gosho Aoyama. A high school detective, he is forced to ingest the lethal poison after an en ...
, the main protagonist of the
anime is Traditional animation, hand-drawn and computer animation, computer-generated animation originating from Japan. Outside of Japan and in English, ''anime'' refers specifically to animation produced in Japan. However, in Japan and in Japane ...
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manga Manga (Japanese: 漫画 ) are comics or graphic novels originating from Japan. Most manga conform to a style developed in Japan in the late 19th century, and the form has a long prehistory in earlier Japanese art. The term ''manga'' is u ...
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Detective Conan ''Case Closed'', also known as , is a Japanese detective fiction, detective manga series written and illustrated by Gosho Aoyama. It has been serialized in Shogakukan's Shōnen manga, ''shōnen'' manga magazine ''Weekly Shōnen Sunday'' ...
'' uses a
bowtie The bow tie is a type of necktie. A modern bow tie is tied using a common shoelace knot, which is also called the bow knot for that reason. It consists of a ribbon of fabric tied around the collar of a shirt in a symmetrical manner so that the ...
-shaped voice changer. By turning a dial on its back, he is able to imitate all kinds of voices that he hears. * In the tutorial mission of the
video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, controller, keyboard, or motion sensing device to generate visual feedback. This fee ...
, '' Saints Row: The Third'', Johnny Gat, Shaundi, Nyte Blade, and The Protagonist all use voice changers during a bank robbery. * Jason Hudson uses one in '' Call of Duty: Black Ops'' when interrogating Alex Mason. * Clara Lille uses a voice distorter when talking with Aiden Pearce on her phone in the video game ''
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'' until they meet face-to-face. * Some
superhero A superhero or superheroine is a stock character that typically possesses ''superpowers'', abilities beyond those of ordinary people, and fits the role of the hero, typically using his or her powers to help the world become a better place, ...
es use voice changers, either to disguise themselves or intimidate their opponents: ** In the live-action TV series ''
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, when communicating under disguise as " the Arrow", uses a voice changer. ** In the film '' Batman v Superman: Dawn of Justice'',
Bruce Wayne Batman is a superhero appearing in American comic books published by DC Comics. The character was created by artist Bob Kane and writer Bill Finger, and debuted in Detective Comics 27, the 27th issue of the comic book ''Detective Comics'' on ...
uses it to disguise his voice and to inflict fear into criminals. ** In the film '' Spider-Man: Homecoming'', a voice changer is activated when
Spider-Man Spider-Man is a superhero appearing in American comic books published by Marvel Comics. Created by writer-editor Stan Lee and artist Steve Ditko, he first appeared in the anthology comic book '' Amazing Fantasy'' #15 (August 1962) in the ...
turns on his Tech Suit's interrogation mode, making him speak in a deep, frightening voice to a potential suspect. * In the animated TV series ''
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's Fulcrum agents use voice changers to disguise their identities. * A
Coca-Cola Coca-Cola, or Coke, is a carbonated soft drink manufactured by the Coca-Cola Company. Originally marketed as a temperance drink and intended as a patent medicine, it was invented in the late 19th century by John Stith Pemberton in Atlanta ...
commercial starring
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also features a person who has a disguised voice and appearance to remain anonymous. * In '' Grand Theft Auto: San Andreas'', Mike Toreno uses voice changers when calling CJ. *In the Spanish heist TV series Money Heist the leader of the robbers, the Professor, frequently uses a voice changer to talk to the police. * In the ''
Rugrats ''Rugrats'' is an American animated television series created by Arlene Klasky, Gábor Csupó, and Paul Germain for Nickelodeon. The show focuses on a group of toddlers; most prominently— Tommy, Chuckie, Angelica, and twins Phil and Lil, ...
'' episode "Angelica Orders Out", Angelica uses Stu's voice changer, which makes her sound like her mother, to call a deli to order dessert and to call all of the kids' parents to go to her fake surprise party.


References

{{Reflist Sound technology