The registration descriptor of MPEG-2 transport is provided by ISO 13818-1 in order to enable users of the standard to unambiguously carry data when its format is not necessarily a recognized international standard. This provision will permit the MPEG-2 transport standard to carry all types of data while providing for a method of unambiguous identification of the characteristics of the underlying private data.
ISO/IEC 13818-1:2000 clause 2.6.9 specifies
The 32-bits provides over 4 billion values (4,294,967,296). The initial proposal is to provide four 8-bit ASCII characters
e.g. in hex code,
AC-3 would be: 41-43-2D-33
In binary code,
AC-3 would be: 0100 0001 - 0100 0011 - 0010 1101 - 0011 0011
In the following sections, the benefits and responsibilities of all parties to the registration of private data format are outlined.
Upon selection of the Registration Authority, JTC 1 shall require the creation of a Registration Management Group (RMG) which will review appeals filed by organizations whose request for an RID to be used in conjunction with this Specification has been denied by the Registration Authority..
3. Procedure for the request of a Registered Identifier (RID)
Requesters of a RID shall apply to the Registration Authority. Registration forms shall be available from the Registration Authority. Information which the requester shall provide is given in section 5. Companies and organizations are eligible to apply.
a) implement a registration procedure for application for a unique RID in accordance with JTC 1 objectives.
b) receive and process the applications for allocation of an identifier from application providers.
c) ascertain which applications received are in accordance with this registration procedure, and to inform the requester within 30 days of receipt of the application of their assigned RID.
d) inform application providers whose request is denied in writing within 30 days of receipt of the application, and to consider re-submission of the application in a timely manner.
e) maintain an accurate register of the allocated identifiers. Revisions to format specifications shall be accepted and maintained by the Registration Authority;
f) make the contents of this register available upon request to any interested party;
g) maintain a database of RID request forms, granted and denied. Parties seeking technical information on the format of private data which has a RID shall have access to such information which is part of the database maintained by the Registration Authority;
h) report its activities to JTC 1, the ITTF and the JTC 1/SC 29 Secretariat, or their respective assignees, annually on a schedule mutually agreed upon.
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a) apply using the form and procedures supplied by the Registration Authority;
b) include a description of the purpose of the registered bitstream, and the required technical details as specified in the application form.
c) provide contact information describing how a complete description can be obtained on a non-discriminatory basis;
d) agree to institute the intended use of the granted RID within a reasonable time-frame;
e) maintain a permanent record of the application form and the notification received from the Registration Authority of a granted RID.
The responsibilities of the RMG shall be:
a) to review and act on all appeals within a reasonable time-frame;
b) to inform, in writing, organizations which make an appeal for reconsideration of its petition of the RMG's disposition of the matter;
c) to review the annual report of the Registration Authority summary of activities;
d) to supply ISO member bodies with information concerning the scope of operation of the Registration Authority.
Reason for rejection of the application:
Registration granted: ________ Registration value: _______
