How was Chanticleer's crowing described 'as annoying as a church's bells' 'as loud as an abbey's clock' or 'as regular as a clock'?

. The highest decibel alarm clock available is 120 decibels, which can be compared to be as loud as the sound

How was Chanticleer’s crowing described ‘as annoying as a church’s bells’ ‘as loud as an abbey’s clock’ or ‘as regular as a clock’?