The acknowledgements section seems outdated and so is the list of authors.
I suggest saying something along the lines of:
A previous draft of this specification has been produced by VideoLAN, with inputs from different authors (xxxx) from the following companies: ATEME, OpenHeadend, Open Broadcast Systems, Videolabs under the direction of VideoLAN.
The acknowledgements section seems outdated and so is the list of authors. I suggest saying something along the lines of: