People's privacy can also be interrupted by unwanted phone calls from telemarketers and others who wish to profit in some way - just as Internet e-mail accounts receive unwanted sales pitches, known as spam.. Yet, the invention of the telephone also worked to increase privacy in many ways.
Rosin build up on violin strings can make them sound scratchy. Although applying rosin to the bow is important to create friction when the bow is pulled across the strings, too much rosin on the strings can reduce the strings ability to vibrate. Clean the rosin off your strings regularly to reduce any scratchy sounds.
Abnormal sounds may resemble a musical wind instrument or be more rough in quality like a grating noise. Some conditions may cause crackling, creaking, bubbling or even clicking breathing sounds. Identifying the type of abnormal breath sound is important to assist with a diagnosis. More than one type of abnormal sound may be present at the same time. Since the causes may overlap, other criteria as well as further diagnostic testing may be necessary for a final diagnosis.