Information technology – Generic coding of moving pictures and associated audio information: Systems Amendment 4: Support for event signalling in Transport Stream in MPEG-2 systems (Study Group 16)
FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications@ information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical@ operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA)@ which meets every four years@ establishes the topics for study by the ITU-T study groups which@ in turn@ produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-T's purview@ the necessary standards are prepared on a collaborative basis with ISO and IEC.