Noun:
1.crunch - the sound of something crunching; "he heard the crunch of footsteps on the gravel path"
noise - sound of any kind (especially unintelligible or dissonant sound); "he enjoyed the street noises"; "they heard indistinct noises of people talking"; "during the firework display that ended the gala the noise reached 98 decibels"
2.crunch...