d&b’s Ralf Zuleeg talks about the beauty of ‘what you see is what you hear’. Interview:/ Christopher Holder Ralf Zuleeg is d&b’s head of Sales Services & Application Engineering. If Soundscape is anyone’s ‘baby’, it’s Ralf’s. Ralf Zuleeg: For d&b, it was a case of ‘what would be the next loudspeaker?’ With GSL, we have