2 Aug
2008
2 Aug
'08
5:35 p.m.
On Sat, Aug 02, 2008 at 06:42:16PM +0200, Kjetil S. Matheussen wrote:
Fons Adriaensen:
The 'industry standard' in this field is Head Acoustics
of Germany, who sell an insanely expensive system used by
many car manufacturers to 'synthesize' the sound of their
products. It's not a synthesis system, and it requires
recordings that can be made only if you have a anechoic
room big enough and designed to accomodate a car with the
engine running and the wheels on torque-controlled rollers.
Absolutely insane, but they are selling it.
Ciao,
--
FA
Laboratorio di Acustica ed Elettroacustica
Parma, Italia
O tu, che porte, correndo si ?
E guerra e morte !
The data used by car manufacturers to describe engine noise
is a spectral description, where some small divider of the
RPM (depending on engine configuration) is regarded as the
funcdamental frequency. For each harmonic you have a smooth
amplitude map in function of RPM and throttle position.
Staring from these it's not so difficult to synthesise
something quite realistic.
The company "Staccato" tried to provide synthesized car sounds
for race car games in 1999, according to this page:
http://www.scandalis.com/Jarrah/PhysicalModels/index.html