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Soundaktor is a
vehicle audio Vehicle audio is equipment installed in a car or other vehicle to provide in-car entertainment and information for the occupants. Such systems are popularly known as car stereos. Until the 1950s, it consisted of a simple AM radio. Additions sin ...
system used to simulate engine noise in the cabin of some
Volkswagen Volkswagen (VW; )English: , . is a German automotive industry, automobile manufacturer based in Wolfsburg, Lower Saxony, Germany. Established in 1937 by German Labour Front, The German Labour Front, it was revitalized into the global brand it ...
automobiles. It consists of a speaker mounted on the
firewall Firewall may refer to: * Firewall (computing), a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts * Firewall (construction), a barrier inside a building, designed to limit the spre ...
between the engine and the cabin, which adds noise to the cabin in order to replicate the driving experience of older vehicles that had lower levels of sound insulation... This system was introduced in 2011 on VW's Golf/GTI, and has also been used on the Jetta/GLI, and Beetle Turbo. The same technology has also been used in other cars from
Volkswagen Group Volkswagen AG (), known internationally as the Volkswagen Group, is a German public multinational conglomerate manufacturer of passenger and commercial vehicles, motorcycles, engines and turbomachinery. Headquartered in Wolfsburg, Lower Saxon ...
, including the Audi S3 and
Škoda Octavia vRS Škoda means "pity" in the Czech and Slovak languages. It may also refer to: Czech brands and enterprises * Škoda Auto, automobile and previously bicycle manufacturer in Mladá Boleslav ** Škoda Motorsport, the division of Škoda Auto responsi ...
.. The sound generated by this device has been described as "a sort of buzzy, fizzy noise". It has been reported to play a
digital recording In digital recording, an audio signal, audio or video signal is converted into a stream of discrete numbers representing the changes over time in air pressure for audio, or Color, chroma and luminance values for video. This number stream is s ...
of engine noise, but Volkswagen claims that these reports are false, and that it reproduces the actual engine noise of the car.. Some diesel cars produced by the Volkswagen Group also have an "exhaust soundaktor". This system uses additional speakers in the exhaust system of the car to generate "a low-pitched, roaring sound" intended to make the car sound less like a diesel and more like a conventional gasoline engine. Other vehicle manufacturers have also used artificial engine noise systems, implemented in other ways. Some models of the
BMW M5 The BMW M5 is a super high-performance variant of the BMW 5 Series marketed under the BMW M sub-brand. It is considered an iconic vehicle in the sports saloon category. The M5 has always been produced in the saloon (sedan, US English) body s ...
add noise to the car's audio system, for instance, and the 2015
Ford Mustang The Ford Mustang is a series of American Car, automobiles manufactured by Ford Motor Company, Ford. In continuous production since 1964, the Mustang is currently the longest-produced Ford car nameplate. Currently in its Ford Mustang (seventh ...
also added a system for sending the car's engine noise through its speakers.. Multiple manufacturers have shaped the engine compartment or installed resonant pipes within it in order to direct greater amounts of actual engine noise to the cabin, a system also used by VW before switching to Soundaktor.


See also

*
Noise pollution Noise pollution, or sound pollution, is the propagation of noise or sound with potential harmful effects on humans and animals. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems.Senate Publi ...


References

{{reflist Volkswagen Group Automotive technologies