Method for editing image information with aid of computer and editing system

An image information materials editing system for conducting editing processing on image information materials containing sound information and moving picture information with the aid of a computer, said image information material editing system comprising:

• a storage device for storing information of said image information materials;
• means for reading out said image information material from said storage device;
• a display device for displaying said image information materials read out from said storage;
• editing control means, responsive to user commands, for displaying an editing position of moving picture information and sound information contained in said image information materials read out from said storage device, altering said editing position, conducting an editing processing on said moving picture information contained in said image information materials read out from said storage device in response to a user command, displaying edited image information on a screen of said display device, and editing a plurality of said sound information contained in said image information materials read out from said storage device by adjusting parameters relating to said sound information so that at least two of said plurality of said sound information are smoothly overlapped;
• and
• means for displaying said edited moving picture information and said edited sound information relating to said edited moving picture information on said screen in a common time axis.