Additional requirements of DRA audio codec identified by IEC

2 Contents DRA standard and PT Milestone of IEC Why we plan to standardize a DRA audio receiver Draft Schedule

3 DRA standard and PT Milestone of IEC Why we plan to standardize a DRA audio receiver Draft Schedule

4 DRA （ Digital Rise Audio ） standard DRA standard  Name ：《 Specification for Multichannel Digital Audio Coding Technology 》  Number ： GB/T  Issued date ： Dec 22, 2008  Drafters ： Digital Rise Technology Co., Ltd. (DRT); Digital Wave Co., Ltd. (DWC); CESI; China Hualu  Used in the fields of: BD - Blu-ray Disc, DTV, CMMB etc. Fig. 1

5 DRA standard and IEC Fig. 2

6 DRA standard and PT Milestone of IEC Why we plan to standardize a DRA audio receiver Draft Schedule

7 Time point of IEC Fig. 3

8 DRA standard and PT Milestone of IEC Why we plan to standardize a DRA audio receiver Draft Schedule

9 (Pre) Standards supporting DRA technology No.Name organization Time point 1 System Description Blu-ray Disc Read-Only Format Part3 Audio Visual Basic Specifications Version 2.3 BDA IEC : Digital audio - Interface for non-linear PCM encoded audio bitstreams applying Part 12: Non-linear PCM bitstreams according to the DRA formats IEC RTP Payload Format for DRA Audio IETF MIME media type Audio/Vendor Tree – Vnd.dra IANA A DTV Profile for Uncompressed High Speed Digital Interfaces （ CEA ） CEA DRA Elementary Streams in the MPEG-2 Multiplex SMPTE MP4 File Format for DRA Audio MP4REG Table. 1

10 DRA standard and PT Milestone of IEC Why we plan to standardize a DRA audio receiver Draft Schedule

11 Time plan for DRA receiver proposal CN-NC evaluate DRA receiver proposal Jul if accepted NP document Sep Date of Circulation (NP) Oct if accepted The first CD Apr IS Sep. 2012

12 Thanks