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Rai HD is the television offer of the Rai offering broadcasts in HD, both native and upscaled, and in 3D format.
Contents
The Rai HD offer includes five television channels:
These channels broadcast in simulcast the programming of Rai 1, Rai 2, Rai 3, Rai 4 and Rai Sport 1.
In most of Italy, however, the channel 501 of RAI Mux 4 essentially transmits programming of Rai 1, but occasionally replaced by programs of all the other networks, as some sporting events, but also music as the Eurovision Song Contest and the first at la Scala. In 2015 Emmy Awards broadcast on Rai 4 in HD.
Programming
Until 2012, the Rai HD channel aired essentially the same programming of Rai 1 but subject to upscaling (in these cases the logo overlay remains that of Rai 1), with the exception of programs broadcast in native HD, in 1080i, where the network logo also adds HD written. Since 2013, the RAI offers a greater number of programs in native HD, also coming from the other two generalist, from 5 Rai and Rai Sport (films, fiction, important events). As of October 25, 2013 in addition to the offer of high definition even Rai Rai 2 and Rai 3 HD HD channels, while the first channel becomes Rai 1 HD. The September 14, 2015 comes the Rai Sport Channel HD (high-definition version of Rai Sport 1) and 21 October 2015 it was announced a plan for the use of all channels in HD on tivùsat. During the first part of 2016 will begin Rai Movie HD broadcasts, Rai Rai Premium HD and 4 HD (on January 22). On the occasion of the Rio Olympics will be activated Rai Sport 2 HD; by the end of the year they will then be activated Rai News HD, HD Rai 5, Rai Gulp HD and Rai Yoyo HD. Between the end of 2016 and beginning of 2017 we will also start experimenting with a 4K channel HEVC codec.
When a program is provided for the version in native high definition, under the logo of the channels in SDTV Rai appears on several occasions a small reference all'LCN of the channels in HDTV.
Dolby Digital
From 14 January 2012, the channel has implemented Dolby Digital audio on the second audio track that becomes Dolby Digital 5.1 in some programs.
3D
January 27, 2012 he sent for the first time a 3D program, the documentary film The no people, repeating the transmission format on 1 April 2012 with a giant, December 10, 2013 with the film The Three Musketeers and September 10, 2014 with the film "The Avengers".
Programming in native high definition
Following are the programs broadcast in high definition on Rai HD channel before the arrival of two other generalists Rai in HD occurred on 25 October 2013.