Reference	Title	Category
ISO/IEC JTC 1/SC 29/WG 2	MPEG Technical requirements	C
ISO/IEC JTC 1/SC 29/WG 3	MPEG Systems	C
ISO/IEC JTC 1/SC 29/WG 5	MPEG joint video experts team with ITU-T SG 16	C
ISO/IEC JTC 1/SC 29/WG 6	MPEG Audio coding	C

Notes

Liaisons A: Organizations that make an effective contribution to the work of the technical committee or subcommittee for questions dealt with by this technical committee or subcommittee. 
Liaisons B: Organizations that have indicated a wish to be kept informed of the work of the technical committee or subcommittee. 
Liaisons C: Organizations that make a technical contribution to and participate actively in the work of a working group.