If a rat dies near a steam pipe, the body wonât dry and the smell can be horrible for weeks. The odor from a dead mouse may last only a day or two. In fact, there may be no noticeable odor from a single dead mouse but several dead mice in the same area could smell for a few days.
Another source of crackling to look at, is the aluminum foil on the amps. This foil is supposed to shield RF and other extraneous noise. But most times all it does is cause unwanted noises. The foil does not make good contact with the chassis and will cause crackling that can come and go. Loose components can also cause some crackling or even the signal dropping out. Some components to look at are pots, jacks, transformers and mechanically connected grounds.
Lung sounds, crackles or rales are abnormal crackling or rattling sounds originating from the lungs while breathing. Read more on crackles symptoms, causes and treatment. Lung sounds, crackles, rales or breath sounds are popping sounds coming from the airway. The crackling originates if a choked airway suddenly opens up, resulting in sound vibrations in the airway. Crackles in the lungs are created during inhalation and exhalation of air.