San Francisco: The official noisemakers for next year's World Cup soccer tournament in Brazil will be significantly quieter than the vuvuzela horns that caused so many headaches in 2010. (Click here for World Cup draws)
The new instrument, a rattle called the caxirola, creates sound pressure levels similar to normal conversation, according to researchers from the Federal University of Santa Maria in Brazil. (Also read: World Cup draw not kind to England, says Hodgson)
Presenting their findings to the Acoustic Society of America in San Francisco on Thursday, the experts said it would take about 2,000 of the maracalike caxirolas to emit the same noise as one vuvuzela.