News Humans How to hear above the cocktail party din Repeating a sound may allow listeners to focus in on it By Alexandra Witze January 3, 2011 at 4:46 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print To try your hand at picking out a sound, click here. It’s the bane (or savior) of every holiday cocktail party: the constant background buzz that makes it hard to hear the guy from accounting droning on.