Hoarseness, an abnormal change in your voice, can be the result of a disorder of the vocal cords. Your voice may sound strained or raspy when you are hoarse. There may also be changes in the pitch and volume of your voice. Your doctor will perform a detail examination of the vocal cords in order to help identify the cause of your symptoms. This may require the use of fiberoptic telescope, a procedure called flexible laryngoscopy.