that would work with the car. not all new leafs will sound the same. we're the first tv crew to be invited into nissan's top secret semi—anechoic chamber and paul's the man in charge of testing the sounds — and tweaking them to different markets. because it turns out different countries have different ideas of what good quality sounds like. in europe, we attribute quality with a more sort of solid feel, more like a low—frequency content, like a solid closing of an oak door is a good quality sound. injapan, they tend to be slightly more biased towards higher frequency sounds, and that's more because that's where their language operates. like the motorcycle engine's higher revving, turbo charged engines would be a high—quality sound so there's different tastes in different markets. here's hyundai virtual engine sound system in a new ioniq. of course, each brand of electric car will want to make a slightly different