HDR Explained: HDR10, HDR10+, Dolby Vision & HLG

HDR can make a good television picture look far more realistic, but the labels HDR10, HDR10+, Dolby Vision and HLG are easy to misunderstand. They are formats used to carry high-dynamic-range video. They do not describe the television’s panel type, and a logo on the box does not guarantee that the screen is bright or capable enough to show HDR well.

The practical buying question is not simply which format is “best”. You need the television, app or player, HDMI equipment and the actual program to support a compatible format. You also need a television with enough contrast, brightness, colour and processing to make the extra picture information visible.

The short answer

HDR10 is the basic HDR format you should expect on a modern 4K HDR television. It uses one set of static picture metadata for the entire program.
HDR10+ builds on HDR10 with dynamic metadata that can guide tone mapping scene by scene or frame by frame.
Dolby Vision is another dynamic-metadata HDR system. It is widely used across compatible televisions, streaming devices, services and Ultra HD Blu-ray equipment, but support must be confirmed for the complete playback chain.
HLG, or Hybrid Log-Gamma, is designed primarily for television production and broadcasting. It is especially relevant to compatible live and broadcast HDR.

If two televisions are otherwise equally good, support for both Dolby Vision and HDR10+ gives you the broadest premium-format flexibility. I would not choose a noticeably worse television merely because it has one extra HDR logo. Strong real-world HDR performance matters more than the length of the format list.

What HDR actually changes

HDR stands for High Dynamic Range. In video, it allows content to describe a wider range between dark and bright parts of an image than conventional Standard Dynamic Range, or SDR. HDR is also commonly used with a wider colour gamut and greater bit depth.

When the content and television are both good, HDR can produce:

Brighter sunlight, reflections, flames, headlights and other highlights.
More visible detail within bright clouds, snow and windows.
Better separation between dark shadow detail and true black.
Richer colours at higher brightness.
A stronger sense of depth without artificially sharpening the picture.

HDR should not simply make the entire screen painfully bright. A well-mastered image uses the extra range selectively. A dark film can remain dark while small highlights become more convincing.

HDR is not the same as 4K

4K describes resolution: normally 3840 × 2160 pixels on a consumer television. HDR describes the range and handling of brightness and colour. A program can therefore be 4K SDR, 4K HDR or, less commonly for home viewing, HD HDR.

Resolution can add fine detail, particularly on a large screen viewed from close enough. HDR often creates the more obvious visual change because it affects contrast, highlights and colour. The two features complement each other but should not be treated as the same thing.

HDR10 explained

HDR10 is the common baseline HDR format. It uses the PQ, or Perceptual Quantizer, transfer function and a 10-bit signal. It is an open format and is widely supported by HDR televisions, Ultra HD Blu-ray, streaming devices, game systems and compatible video services.

HDR10 can include static mastering information. “Static” means one set of metadata applies to the program as a whole. A movie may contain a dim interior, a normal daylight scene and an extremely bright explosion, yet the television is not given separate dynamic instructions for each scene through standard HDR10 metadata.

The television must map the program’s brightness range to what its own panel can reproduce. A good television can do this very well using its internal processing. A weak television may clip bright detail, raise blacks or make the overall picture too dark.

Why HDR10 remains important

HDR10 is the fallback that keeps the HDR ecosystem practical. Content carrying Dolby Vision or HDR10+ commonly also provides a compatible HDR10 presentation, although you should still confirm the specific disc, service and device.

A television without Dolby Vision can therefore often play the HDR10 version of a title rather than losing HDR completely. The same principle applies when an HDMI device or app does not pass the premium dynamic format.

Do not read “fallback” as poor quality. Excellent mastering and excellent television processing can make HDR10 look superb. Dynamic metadata is useful, but it cannot rescue a dim panel, bad black levels or careless picture settings.

HDR10+ explained

HDR10+ keeps the HDR10 foundation and adds dynamic metadata. HDR10+ Technologies says this can provide scene-by-scene or frame-by-frame instructions for brightness, contrast, colour-volume handling and tone mapping.

The advantage is adaptability. Instead of one compromise based on the entire program, the display can receive different guidance for a dim room, a daylight exterior and a bright special-effects sequence. This can help preserve both shadow and highlight detail on televisions whose brightness is below that of the mastering display.

HDR10+ is royalty-free, but manufacturers and content providers still need compatible implementation and certification if they use the certification marks. Support is not universal, so check the exact Australian television model and the devices and services you actually use.

HDR10+ Adaptive and HDR10+ Gaming

You may also encounter related labels:

HDR10+ Adaptive can use information about room lighting to adjust the HDR10+ presentation on compatible equipment.
HDR10+ Gaming extends the ecosystem to compatible games, graphics hardware and displays.
HDR10+ Advanced is a newer extension with additional metadata tools. Its appearance on future products does not make existing HDR10+ content obsolete.

These are not automatic features of every product marked HDR10+. Match the complete feature name and exact model rather than assuming the base logo includes every extension.

Dolby Vision explained

Dolby Vision is Dolby’s proprietary HDR system. Like HDR10+, it uses dynamic metadata to help compatible displays map brightness, contrast and colour for individual scenes or frames. Dolby describes the system as carrying information that allows the image to be mapped to the capabilities of the display.

The Dolby Vision system can support higher technical ceilings than today’s ordinary consumer panels, including a 12-bit workflow. That does not mean a television displaying Dolby Vision necessarily has a native 12-bit panel or can reach the format’s theoretical maximum brightness. Most consumer televisions have much lower physical limits and must tone-map the content.

Dolby Vision’s practical value comes from its end-to-end content, mastering, certification and playback ecosystem. Results still vary because televisions differ in panel capability, processing and implementation.

Dolby Vision IQ is not a separate content format

Dolby Vision IQ combines Dolby Vision picture information with compatible television features that account for room conditions and, where available, content information. It is intended to keep detail visible as ambient light changes.

You do not need a special “Dolby Vision IQ movie”. The source is Dolby Vision, while the compatible television applies its additional room-aware behaviour. Whether you prefer it can depend on the room and model, so compare it with the television’s accurate Dolby Vision picture modes rather than assuming brighter is always better.

HLG explained

HLG stands for Hybrid Log-Gamma. It was developed for HDR television production and distribution and is standardised within ITU-R BT.2100. Unlike HDR10, HDR10+ and Dolby Vision presentations based on PQ, HLG uses a different signal approach designed to fit more readily into broadcast workflows.

HLG does not depend on the same program-level mastering metadata used by PQ-based formats. Its relative, scene-referred design lets a compatible HDR display interpret the signal for its own brightness. It also provides a degree of compatibility with suitable SDR production and display chains, although the exact result depends on the equipment and workflow.

For an Australian buyer, HLG matters mainly for compatible live television, sport, events and broadcast or streaming feeds produced in HLG. Availability varies by broadcaster, event, app, device and year. A television supporting HLG does not mean every free-to-air channel will suddenly become HDR.

Static metadata versus dynamic metadata

The simplest way to understand the difference is:

HDR10: one set of static mastering information can describe the whole program.
HDR10+ and Dolby Vision: dynamic information can change throughout the program.
HLG: uses a different broadcast-oriented approach and does not rely on those PQ dynamic-metadata systems.

Dynamic metadata is most helpful when the mastering display and home television have very different capabilities, or when a program moves between very dark and very bright scenes. The television still decides how to implement the instructions. Poor processing can produce worse results than strong HDR10 tone mapping on another model.

What tone mapping does

Films and programs may be mastered with highlights brighter than a home television can reproduce. Tone mapping compresses or reshapes that brightness range to fit the display.

Different strategies create different compromises:

Preserve the average brightness but clip some extreme highlight detail.
Keep the brightest detail but make the overall image darker.
Adjust scene by scene to balance both goals.
Use the television’s own analysis even when dynamic metadata is absent.

This is why the same HDR10 movie can look different on two televisions. Panel brightness, black level and tone-mapping software all affect the final result.

A format logo does not prove good HDR

A low-cost television may accept an HDR signal yet lack the brightness, contrast or colour range needed for a convincing HDR image. It may technically switch into HDR mode while looking only slightly different from SDR—or even too dark.

When comparing exact models, investigate:

Real HDR peak brightness and sustained bright-scene performance.
Black level and local-dimming quality on LCD and Mini-LED models.
Highlight detail without severe clipping.
Wide-colour performance at useful brightness.
Whether accurate HDR picture modes are available.
Tone mapping with real films and games, not only demonstration footage.
Whether brightness changes aggressively during long scenes.

A television that supports every format but has poor contrast is not automatically a better HDR television than a model supporting fewer formats with a far stronger panel.

OLED versus Mini-LED for HDR

OLED controls light at each pixel, producing true black and precise separation around small highlights. That makes dark HDR films, stars, subtitles and night scenes look exceptionally clean.

A strong Mini-LED television can normally produce greater brightness across large parts of the screen. This can make daylight HDR, sport and bright-room viewing more forceful, although local-dimming halos may appear around bright objects on black backgrounds.

Neither technology owns HDR. Choose according to the room and content, then compare the real HDR performance of the exact model.

The entire playback chain must agree

To see a premium HDR format, every relevant part of the chain must support it:

The movie, episode, live feed or game must be supplied in that format.
Your subscription tier or disc must include the required HDR version.
The app, player, console or streaming box must output it.
Any soundbar, receiver, HDMI switch or capture device in the video path must pass it correctly.
The selected HDMI input and television must accept it.
The HDMI cable must carry the required signal reliably.

If one link does not support Dolby Vision or HDR10+, the system may fall back to HDR10 or SDR. Check the information screen on the television or source device rather than relying only on how bright the picture looks.

Built-in apps can behave differently from HDMI devices

A television’s built-in app may support a format that the same service does not output through an older streaming box. The reverse can also occur if an internal app is outdated or no longer supported.

Compatibility can depend on the app version, operating system, subscription, region and exact title. Streaming catalogues and format support change, so verify the current Australian service and device combination before buying around one specific app.

Ultra HD Blu-ray compatibility

HDR10 is the core HDR format associated with Ultra HD Blu-ray. Individual discs may also carry Dolby Vision or HDR10+. The player and television must support the added format, and any receiver or soundbar in between must pass it.

Some players support both major dynamic formats; others support one or neither. Panasonic Australia, for example, lists current players such as the DP-UB450GN with HDR10, HDR10+, Dolby Vision and HLG compatibility. That does not make every Panasonic player identical—check the exact model.

Disc packaging can also vary by region and edition. Confirm the Australian release rather than assuming an overseas review covers the disc you are buying.

HDR for gaming

Gaming adds another layer of compatibility. A console or PC may output HDR10, Dolby Vision gaming or HDR10+ Gaming depending on the platform, graphics hardware, game and display.

Check more than the format logo:

Whether the required HDR format works in Game mode.
Supported resolution and refresh rate at the same time.
Variable Refresh Rate compatibility.
Input lag with HDR enabled.
Which HDMI inputs provide the full gaming feature set.
Whether the console’s HDR calibration screens have been completed correctly.

A television may support Dolby Vision for films but restrict refresh rate or other gaming features in that mode. Verify current specifications and independent testing for the exact model and firmware.

HLG and live sport

HLG is particularly suited to live production because broadcasters need a practical way to capture, mix and distribute HDR without grading every scene like a finished film. This makes it relevant to live sport and major events.

However, “the event is available in HDR” does not guarantee that every Australian viewer receives it in HDR. The selected broadcast, app, device, plan and television must all provide the compatible path. Some services may offer 4K without HDR, HDR without 4K, or different formats on different devices.

How to confirm HDR is actually playing

Start a title that the service or disc specifically identifies as HDR. Then:

Open the television’s picture or signal-information display.
Look for HDR, HDR10+, Dolby Vision or HLG confirmation.
Check that the television has entered its corresponding HDR picture mode.
If using HDMI, confirm the source device’s output information.
Do not use the brightness of menus or subtitles as proof.

Some televisions show a brief format badge when playback starts; others show it only in settings. Consult the model’s Australian manual or support page.

Set up HDMI inputs correctly

Some televisions require an Enhanced, Deep Colour, Input Signal Plus or similarly named mode on the HDMI input used for high-bandwidth HDR. The wording and supported ports vary.

Enable only the manufacturer-approved setting for the connected device, then confirm a stable picture. If the screen flashes, drops out or loses colour, check the cable, input mode, receiver or soundbar and the source output. Do not assume an expensive cable improves picture quality once the digital signal is being carried reliably.

Use an appropriate HDR picture mode

Begin with a Cinema, Filmmaker, Professional or similarly accurate HDR mode. For Dolby Vision, televisions may offer Dark, Bright, Cinema or IQ variants.

Avoid copying SDR settings directly into HDR. Backlight or panel brightness controls often operate differently, and the television may need its HDR mode at a high light-output setting to follow the format correctly. Excessive contrast enhancement, black crush and vivid colour can hide the extra detail you paid for.

For critical viewing, reduce room reflections and use subtle ambient lighting. In a bright room, choose the manufacturer’s accurate bright-room option rather than automatically selecting Vivid.

Common HDR problems

The picture is too dark: confirm HDR is active, use the correct HDR picture preset, turn off inappropriate energy-saving limits for the test and check whether the title itself is intentionally dark. Entry-level televisions may simply lack sufficient HDR brightness.

Colours look washed out: the source may be outputting an incompatible colour range, the HDMI input may not be in the required enhanced mode, or a computer may be using the wrong settings.

Dolby Vision or HDR10+ does not appear: check the actual title, subscription, app, source device, pass-through equipment and selected input. One unsupported link can cause fallback.

The screen keeps changing brightness: dynamic tone mapping, local dimming, ambient-light features, subtitle interaction or panel-protection systems may be involved. Compare only one setting at a time and record the original value.

HDR looks worse than SDR: this may be poor mastering, incorrect setup or limited television capability. A format logo cannot create brightness and contrast the panel does not possess.

Do you need both Dolby Vision and HDR10+?

Having both is useful because it reduces the chance of falling back to HDR10 when content is available in only one of the dynamic formats. It is particularly attractive for someone with a large disc collection or several streaming devices.

It is not essential in every case. If the best television for your room and budget supports Dolby Vision but not HDR10+, or HDR10+ but not Dolby Vision, it can still deliver outstanding HDR10 and its supported premium format.

I would rank the decision like this:

Choose the television with the strongest real picture quality for your room.
Confirm HDR10 and HLG as sensible baseline support.
Prefer support for the dynamic format used by your main services, discs and gaming devices.
Treat support for both Dolby Vision and HDR10+ as a valuable tie-breaker.

What I would choose

For a premium movie television, I would prefer Dolby Vision and HDR10+ support together if the model also performs strongly. It provides more flexibility across streaming and discs and avoids choosing sides in a format contest that the buyer cannot control.

If the best-performing television in my budget supported only one dynamic format, I would still consider it. I would compare the content and equipment I actually use and check how well the television tone-maps ordinary HDR10.

For someone who mainly watches free-to-air television and live sport, I would make sure HLG is supported but concentrate more heavily on brightness, reflections, motion, upscaling and screen uniformity. For gaming, I would prioritise the format and full HDMI feature combination supported by the console or PC.

Questions to ask before buying

Which HDR formats does the exact Australian model support?
Do those formats work through built-in apps and HDMI?
Does the television have a genuinely bright, high-contrast panel?
How well does it tone-map very bright HDR10 material?
Do premium formats work in Game mode at the required refresh rate?
Which HDMI inputs support the necessary bandwidth and enhanced mode?
Will the receiver or soundbar pass the same formats?
Does the Australian version match the overseas model reviewed online?

Ask the retailer to write down any compatibility claim that materially affects your purchase. Keep a copy of the product page and specifications, because model pages can change after a range is replaced.

Australian consumer protections

A television sold in Australia comes with automatic consumer guarantees, including that it be of acceptable quality, match its description and be fit for any disclosed purpose. These rights exist in addition to a manufacturer’s written warranty.

If a retailer specifically confirms that a television will support a particular HDR feature with your equipment, keep that statement. Compatibility can be complicated, so give the retailer accurate model numbers for the source device, receiver or soundbar and intended use.

A change-of-mind policy is different from your rights when a product is faulty or does not match its description. Keep the receipt, serial number, packaging and written correspondence.

The bottom line

HDR10 is the essential baseline. HDR10+ and Dolby Vision add dynamic guidance that can help a compatible television adapt its tone mapping throughout a program. HLG takes a different, broadcast-oriented approach and is particularly relevant to live HDR.

There is no winner based on the logo alone. Dolby Vision and HDR10+ can both produce outstanding results, while well-processed HDR10 can look superb. HLG serves a different purpose rather than competing directly for movie-disc supremacy.

Choose the television for its real brightness, black level, colour, tone mapping and room suitability first. Then confirm the formats supported by the exact Australian model and every device in your playback chain. If two equally good televisions are competing for your money, support for both Dolby Vision and HDR10+ is the most flexible choice.

Useful official resources

Information and official support references checked 12 August 2026. HDR support can vary by television model, firmware, app, subscription, title, device and Australian service availability. Confirm the full model number and complete playback chain before buying.

Filed under:4K TV Australian Television Buying Guides Dolby Vision Gaming TV HDR HDR10 HDR10 Plus HLG Home Cinema Technology Televisions TV Buying Guide

HDR Explained: HDR10, HDR10+, Dolby Vision and HLG