Autor: Redaktion

RAI Delivery Requirements

The following parameters give an overview of the delivery guidelines of Rai.

The following parameters represent an overview of these guidelines. These are not legally binding.
Binding is the attached document "Delivery Requirements RAI v1.3" which you can find below.

Rai accepts HD content produced under the following conditions:

  • 1920x1080 25p as preferential
In agreement with editorial needs, special productions can also be made in the formats:

  • 1920x1080 25i
  • 1920x1080 50p
  • 1280x720 50p
  • Or with higher resolution (4K)

Video signals 1920x1080 shall comply with SMPTE 274M standard and Recommendation ITU-R BT.709.5.

Video signals in the 1280x720 format shall comply with SMPTE 296 M standards.

The colorimetric reference for each format is the one specified in Recommendation ITU-R BT.709.5. If the acquisition is made through film, use 35 mm or higher medium with aspect ratio preferably equalling 1.78 (16:9).

The HD production chain shall respect EBU recommendation R124 for choice of compression algorithms and bitrates for the acquisition, production and distribution of HD content.

Delivery Format:

  • HD content must be delivered to Rai on Professional Disc XDCAM HD 4:2:2
  • alternatively Rai may require an MXF format file compatible with Sony MPEG Long GOP
  • Supplier‘s procedure to deliver the MXF file shall be agreed with Rai.

As for high-quality productions possibly produced with formats over 2K, Rai may also require supply of medium in format:

  • HDCAM-SR at 440Mb/s (Standard Quality) or 880 Mb/s (High Quality)

Additional information to audio characteristics:

Audio content must be produced in compliance with the audio/video industry standards, worldwide shared regulations, and best practices. Audio levels shall be consistent throughout the programme. Audio tracks must not show alterations in dynamic and/or bandwidth due to the actions of noise reduction systems, or of coding/decoding systems with an insufficient number of bits.
Audio acquisition shall be made through a 48 kHz sampling with 24 bit depth. Rai recommends all HD programmes to be produced with multichannel audio (5.1), apart from different editorial requirements of stereophonic audio (2.0).

Delivery Requirements RAI v1.3

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