Reference	Title	Category
ISO/IEC JTC 1/SC 29	Coding of audio, picture, multimedia and hypermedia information	A
ISO/TC 46/SC 9	Identification and description	A

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.