What is the eerie noise coming from one World Trade Center? High-pitched 'choral sound' first heard at time of Hurricane Sandy A spooky, high-pitched whining sound coming from One World Trade Center has been giving New York residents the creeps. The strange choral sound, which appears to be caused by the wind, was first reported last year at around the time of Hurricane Sandy and has been heard several times since. It has now been recorded by New Yorker Kenny Cummings who described it as 'unmistakable and very chilling'. Scroll down to hear the eerie sound Ghostly sound: A high, pitched whining sound has been recorded coming from One World Trade Center He told the Tribeca Citizen: 'I live a couple of blocks from the tower, and first heard this very eerie sound during Hurricane Sandy last year. 'I've heard it only once afterwards, sometime last winter. I assumed once the building's framework and windows went in, the airflow would be redirected. At 3.15am Wednesday, I awoke to the sound. It was slightly different in timbre, with two tones this time. 'I couldn't be sure what it was at first, but after a moment I realized it was the Trade Center...I'm sure all of downtown hears this - it's unmistakable and very chilling.' Fateful Day: Hijacked United Airlines Flight 175 slams into the South Tower as the North Tower burns following an earlier attack Other readers have posted theories as to what is causing the noise with one suggesting it the wind whipping through numbers One and Seven World Trade Center. Another wrote: 'I heard it last Wednesday as well - could barely sleep as the screaming kept waking me up. It was so eerie. I didn't make the connection you did though, and sadly makes sense.' One World Trade Center, also known as the Freedom Tower, is the tallest building in America with it's spire reaching the height of 1,776 feet. It is due to open next year and will form the centrepiece of the new complex built on the rubble of the Twin Towers. One World Trade Center, also known as the Freedom Tower, is the tallest building in America with it's spire reaching the height of 1,776 feet