Autor: Redaktion

Norsk Riksringkasting (NRK) Delivery Requirements

The following guidelines represent an overview of the delivery to NRK.

The following parameters represent an overview of these guidelines. These are not legally binding.
Binding is the attached document "Delivery Requirements NRK v4.2".

All material delivered for NRK HD TV transmission must be:

  • 1920 x 1080 pixels in an aspect ratio of 16:9
  • 25 frames per second (50 fields) interlaced - now known as 1080i/25.
  • 25 frames per second progressive, known as 1080psf/25 (“film mode”).
  • colour sub-sampled at a ratio of 4:2:2
  • XDCAM HD422 MPEG2 50Mb/s (MPEG-2 4:2:2P@HL) with 2, 4 or 8x 24 bits linear PCM (Wave) audio channels each in an individual AES3 audio stream
  • all in an MXF OP1a wrapper.

The HD format is fully specified and will be assessed according to the recommendation ITU-R BT.709-5 Part 2.

SD-material (576i/25) - if an HD master doesn't exist, must be:

  • MPEG IMX intra-frame 50Mb/s (MPEG-2 4:2:2P@ML) (576i/25) video with 2 or 4x 24 bits linear PCM (Wave) audio channels in a single AES3 audio stream, all in an MXF OP1a,eVTR wrapper.

Additional information for audio:

All programmes must be mixed to comply with the EBU Recommendation EBU R128. Programmes which have been mixed to the old standard will only be accepted by prior agreement with NRK.

Delivery Requirements NRK v4.2

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