Hello Thank you for trusting HCM Dear it is difficult to say what is the causative depending upon your history, but will mention few cases for it. Dear respiratory condition like bronchitis may present respiratory secretions cause rumbling, bronchial asthma presents as wheezing, heart failure and copd (chronic obstructive pulmonary disease present as fine crepetetions), chest cavity may present like cavernous type of breathing, any nodule of vocal cords may produce harness of voice, obesity cause partial obstruction can cause snoring type of sound. Please consult your doctor he will examine and treat you accordingly. I think I answered to your question if you have more questions please feel free to ask.