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LG 2017 OLED TVs first to offer lossless Dolby TrueHD

19 Oct 2017 | Rasmus Larsen |

LG’s 2017 OLED TVs will be the first TVs to support Dolby TrueHD, which is a lossless sound technology. It is being added through a firmware update that should reach all owners this month.

Lossless sound on your TV

When we examined the changelog for LG’s latest firmware earlier this week, we noticed that included a reference to Dolby TrueHD. It was a little unclear what it entailed but we now have the official word from LG Korea.

The lossless and uncompressed audio format can be used to deliver conventional Dolby 5.1 / 7.1 surround or Dolby Atmos, which is object-based audio. LG 2017 OLED TVs already had support for Atmos but only in a lossy (non-lossless) Dolby Digital Plus container. Delivering Atmos within the TrueHD container should significantly improve audio quality.

- “The lossless, uncompressed, technology will be delivered to 2017 LG OLED TV owners this month via an over-the-air firmware upgrade, giving owners amazing Dolby TrueHD sound,” said LG.

The company added that Dolby TrueHD sound is already adopted on Ultra HD Blu-ray.

- “All LG’s 2017 OLED TVs come with Dolby AC-4 decoding, which means that compatible LG TVs will be able to handle object-based next generation audio for immersive three-dimensional audio. And LG’s 2017 premium TVs are already Dolby Vision compatible, enabling owners to enjoy more than 100 studio titles of on-demand streaming services with Dolby Vision support.”


LG 2017 OLED


Dolby TrueHD from game consoles

LG explains that the update also includes support for something called ‘Codec MAT’, which stands for Metadata-enhanced Audio Transmission.

This enables Dolby TrueHD audio bitstreaming on 2017 OLED TVs when playing games from a game console. To enjoy this, the content on your game console must include audio in the format.

All of LG’s 2017 OLED TVs have built-in Dolby Atmos speakers. B7 and C7 have hidden speakers whereas E7 and G7 have soundbars. The flagship W7 has an external Atmos-enabled soundbar with up-firing units.

- “And for customers who desire the ultimate experience, the maximum benefits of Dolby TrueHD can be enjoyed by streaming the content through a compatible sound bar to the TV,” LG added.

With the update, LG and Dolby are strengthening their partnership. In 2016, LG added support for the Dolby Vision HDR format to its OLED TVs and in 2017 it further added support for Dolby Atmos sound.

Firmware version 04.70.06 is currently rolling out in the US and Europe. Some users have already received it and LG expect it to be fully deployed by the end of this month.



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