Everywhere you look, it seems, people are resorting to accessories to turn down the volume of life: over-ear headphones on public transport, long-haul flights and in open-plan offices; coloured earplugs nestled discreetly in the concha of concertgoers, bartenders and, if you’re a snorer, perhaps the person you share a bed with.
Silence is now big business: globally, the noise-cancelling headphones market generated $13.1bn in 2021, a figure that is expected to more than triple to $45.4bn by 2031, according to Allied Market Research data.
