ISO/IEC DIS 14496-30

Description / Abstract: This part of ISO/IEC 14496 describes the carriage of some forms of timed text and subtitle streams in files based on ISO/IEC 14496-12 The ISO base media file format. The documentation of these forms does not preclude other definition of carriage of timed text or sub-titles; see, for example, 3GPP Timed Text (3GPP TS 26.245).