An international standards body has chosen Apple Computer Inc's QuickTime File Format as the starting point for developing a new format for transmitting digital, audio and video signals, Apple said.The International Standards Organization has adopted a proposal by Apple, International Business Machines Corp, Netscape Corp, Oracle Corp, Silicon Graphics Inc and Sun Microsystems Inc to use QuickTime for the MPEG-4 specification.MPEG-4 is an emerging digital media standard currently being defined by ISO's Moving Picture Experts Group (MPEG) that will enable users to view and manipulate audio, video and other forms of digital content.