1. Introduction

   The serial digital interface, SMPTE 292M [1], defines a universal
   medium of interchange for uncompressed High Definition Television
   (HDTV) between various types of video equipment (cameras, encoders,
   VTRs, etc.).  SMPTE 292M stipulates that the source data be in 10 bit
   words and the total data rate be either 1.485 Gbps or 1.485/1.001
   Gbps.

   The use of a dedicated serial interconnect is appropriate in a studio
   environment, but it is desirable to leverage the widespread
   availability of high bandwidth IP connectivity to allow efficient
   wide area delivery of SMPTE 292M content.  Accordingly, this memo
   defines an RTP payload format for SMPTE 292M format video.

   It is to be noted that SMPTE 292M streams have a constant high bit
   rate and are not congestion controlled.  Accordingly, use of this
   payload format should be tightly controlled and limited to private
   networks or those networks that provide resource reservation and
   enhanced quality of service.  This is discussed further in section 9.

   This memo only addresses the transfer of uncompressed HDTV.
   Compressed HDTV is a subset of MPEG-2 [9], which is fully described
   in document A/53 [10] of the Advanced Television Standards Committee.
   The ATSC has also adopted the MPEG-2 transport system (ISO/IEC
   13818-1) [11].  Therefore RFC 2250prop [12] sufficiently describes
   transport for compressed HDTV over RTP.