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To watch any of our HD channels, you will need to have the appropriate equipment either a Freeview, Sky or Virgin HD box/card as well as an HD TV.
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Channel 4 commission and buy programmes but don't produce any in-house. Consequently, there are no celebrities working in our offices. For this reason, we aren't able to provide autographs or signed photos.
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No, instead, we provide funding for sign presented programming which are shown on the Community Channel’s new BSL zone. For information on what programming is available and where, please have a look at the Community Channel website for full details HERE.
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For information on programmes featuring signing, please click here to visit our access services web page.
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Due to recent changes in the technology we use to broadcast our channels, we have removed the SD version of Channel 4, which is now available in HD only except on the YouView and Freeview platforms. The transmission of our other channels in SD remains unaffected.
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On-screen logos are very much a part of the multi-channel world and being competitive in this environment is tough. Channel 4 tries to maintain this competitiveness by making high quality programmes that people want to watch and by establishing loyalty, so that when a viewer is watching television, they watch Channel 4 channels rather than the hundreds of other choices.
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Our aim is for the listings to be as accurate as possible and we do not want to disappoint our viewers. We send out a list of the programmes we intend to subtitle to the magazines, newspapers, television electronic programme guides and text services. The information we supply to the listings organisations is up to date when it is issued and should be accurate. We also issue updates when there are schedule changes.
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Channel 4 is a commercial operation and like all organisations we have to balance the need to respond to comments and requests with the resources which that inevitably incurs. Our aim is to try to minimise overheads so we can maximise our programme spend. We have looked at our call volumes and times of peak demand and have arranged the opening hours with this in mind.
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There's a common complaint from the viewing public that commercials sound too loud when compared with programmes.Why is this? To gain impact, commercial advertisers tend to "compress" the sound levels which means they lift them all up to the higher end - and this is what creates the greater impact. However, when compared against programmes which have a wider dynamic range - a wider variation in sound levels - this can cause irritation, because the two types of sound treatment don't sit very well together. Channel 4 has recognised this as a problem for viewers, and we use perceived loudness meters which give us a measure of the way the brain perceives the actual loudness of the sound. This allows us to adjust the levels of commercials and other interstitial material in accordance with Ofcom guidelines, so that they no longer cause irritation when compared with the wide majority of programme types transmitted by Channel 4. We continue to strive for an even perceived loudness through all our programming junctions on all our services.
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Our aim is for the listings to be as accurate as possible and we do not want to disappoint our viewers. We send out a list of the programmes we intend to subtitle to the magazines, newspapers, television electronic programme guides and text services. The information we supply to the listings organisations is up-to-date when it is issued and should be accurate. We also issue updates when there are schedule changes to ensure the Electronic Programme Guide is as up-to-date as possible. Very occasionally, we are not able to subtitle the programmes we had hoped to. This may be due to a number of reasons such as technical problems or the unexpectedly late delivery of a programme. We do appreciate that this causes great disappointment.
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