Renault's R-Sound Effect: an App for Changing Engine Sound English

  • Category Technical paper
  • Related event International Congress : Automotive NVH comfort - 22 & 23 October 2014
  • Edition SIA
  • Date 10/22/2014
  • Author T. Schmitt, N. Le Hir, J-P. Léandre, G. Guyader - Renault
  • Language English
  • Type PDF file (342.56 Ko)
    (Downloadable immediately on receipt of online payment)
  • Number of pages 5
  • Code R-2014-09-14
  • Fee from 8.00 € to 10.00 €

Renault's R-Sound Effect consists of six synthesized engine sounds played in real time by the vehicle’s audio system with high reactivity to the driver’s commands. R-Sound Effect is sold to the clients as an “app” on R-link store on the web.
The purpose is to provide a fun experience by changing the engine sound and not to give the perfect illusion of a new engine.

Noise pollution on the outside is avoided as the sound is only played inside the car. The intended effect is reached from low rpm / speeds, so the driver is not incited to change their habits or to drive like a race pilot.

The tuning and the choice of sounds correspond to a consensus between vehicle project managers, mechanical engineers, acoustics experts and design teams. Three methods were used to obtain effective sounds:
- Imitation of existing vehicles such as Clio V6
- Generic harmonics distribution corresponding to engine architectures such as 2- or 6-cylinders
- Pure invention such as a futuristic UFO sound.

The last step was to choose pictures associated with each sound. The range of possibilities for sound/picture association was found to be wider than imagined at the beginning.


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