Need to know more about the features and benefits of the latest televisions? Find out about refresh rates, contrast ratios and input lags, we’ll explain these plus PVRs and EPGs so you can make an informed purchase.
LED TVs use LED lighting to illuminate the pictures on-screen. This form of lighting makes a big difference to the look and energy efficiency of a TV, offering a slim-line form of illumination that is designed to consume much less power than standard light sources. Thanks to the compact design of the LED lights, LED TVs can offer the most contemporary, sleek and slim designs available. They can also provide greater contrast ratios, capturing and displaying the vividness of each colour in the on-screen picture.
The refresh rate refers to how quickly images change on-screen. Refresh rates are designed to be fast, in order to create the illusion of motion on-screen. Blurry motion pictures can be the result of a poor refresh rate, go for a higher refresh rat where possible.
The contrast ratio refers to the breadth and range of colour gradients available. Offering the most accurate way in which to determine the scope of gradients available, the native contrast ratio describes what colours the display panel can actually show. Dynamic contrast ratios can often be misleading, referring to colours that the panel itself cannot display. The measurement is the ratio between the brightest colour (white) and the darkest colour (black); go for the highest native contrast ratio possible.
Input lag, sometimes called display lag, refers to the delay in milliseconds, between a TV receiving a signal and displaying its results on-screen. Especially important for gaming, minimal input lag helps to ensure faster response times from players, allowing them, for example, to see enemy targets much sooner, and to use their controls more accurately, so that weapons can fire and strike instantaneously.
EPGs allow viewers to see all available programming for the week ahead. They also ensure that viewers can compare and contrast which transmissions each channel is broadcasting, enabling them to browse through immediate viewing options via the “Now” tab as well as programmes that are scheduled for later via the “Next” tab.
Offering a cost-effective recording function, the USB PVR function enables content to be recorded onto an affordable USB stick, or an external drive. This feature also enables viewers to pause and record live TV, helping to ensure that viewing can be suspended and resumed at any time.
Most TVs these days come with a built-in Freeview tuner, offering a cost-effective and hassle-free alternative to investing in a separate Freeview set-top box. Some models now offer Freeview HD tuners which offer a number of High Definition (1080) channels, making use of the TVs high definition capability.
Freeview Play gives you the best of Freeview HD, combined with your favourite catch-up services (BBC iPlayer, ITV Hub, All4, Demand 5, BBC News, and BBC Sport). Missed your favourite show? Don't worry, Freeview Play lets you scroll back and watch something that's already been shown in the past 7 days.