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Does Displayport Carry Audio? – Breaking Down the Truth

Does Displayport Carry Audio? - Breaking Down the Truth

DisplayPort is a common interface for linking computers and other devices to T.V.s, projectors, and monitors.

Although its primary feature is transmitting excellent video quality, its audio capabilities should be regularly considered or interpreted.

It can be essential to know if DisplayPort supports audio in some configurations, such as when a computer is connected to a home theatre system or external speakers. In this article, we will examine

DisplayPort’s features and clarify whether audio signals can be transmitted. By the time this is all over, you’ll know exactly what to anticipate from this flexible interface.


DisplayPort, a versatile interface initially developed by VESA (Video Electronics Standards Association), has become a mainstay in modern devices.

While it primarily serves as a conduit for transmitting video signals, its audio capabilities often raise questions among tech enthusiasts and users alike.

History and Evolution

DisplayPort’s journey began with its introduction in 2006, aiming to address limitations posed by existing interfaces. Over time, it has undergone advancements in its standards, accommodating higher resolutions, refresh rates, and additional functionalities.

Does DisplayPort Carry Audio?

Indeed, it has the same audio and video capabilities as HDMI. Indeed, it has a few of the more sophisticated functions that HDMI provides.

Your display will be able to send audio if it has a DisplayPort. In addition, converting from VGA differs from switching from DVI as it does not require specialized adapters. Finally, plug it in and activate it.

However, previous reports have complained about the lack of Displayport’s audio. In this case, you ought to examine the monitor’s refresh rate.

You may occasionally need to reduce the refresh rate on 144Hz monitors to hear the music again. If not, you may need to adjust the computer’s audio device settings.

Advantages and Features

Although it is high-definition and offers high data transfer speed, its advantages over other connectors are worth mentioning. One of its outstanding attributes is its ability to transmit video and audio signals simultaneously.

Audio Capabilities of DisplayPort

Contrary to common misconception, DisplayPort indeed carries audio signals alongside video. It supports various audio formats, ensuring a comprehensive multimedia experience.

Versions Affecting Audio Transmission

Different iterations of DisplayPort, such as DP 1.2 and DP 1.4, have enhanced audio capabilities, offering increased bandwidth and improved audio fidelity.

Setting Up Audio via DisplayPort

Connection Methods

Establishing audio transmission via DisplayPort is relatively straightforward, often requiring a compatible device and proper configuration within the operating system settings.

What is the appropriate way to use DisplayPort Audio?

You can use a DVI-D (digital visual interface) or HDMI cable to connect your device to an LCD monitor with integrated sound.

Otherwise, you can use specific DisplayPort to HDMI adapters to link the DisplayPort outlet with an HDMI gadget. Cable Matters makes high-quality DisplayPort cables.

The audio may occasionally stop working when many audio devices are connected to the system. In this case, pick the device connected to the DisplayPort by going to Sound Settings > Output Devices.

Compatibility and Limitations

Devices and Compatibility

While many modern devices support audio over DisplayPort, compatibility varies among manufacturers and models.

Limitations and Workarounds

Certain limitations, such as older hardware not fully supporting audio transmission, can be circumvented through alternative connection methods or hardware upgrades.

Comparing DisplayPort Audio with Other Interfaces- HDMI vs. DisplayPort Audio

Differences in Audio Capabilities

The primary disparity between HDMI and DisplayPort lies in their audio transmission methodologies. HDMI supports multi-channel audio formats and is known for carrying high-quality audio alongside video signals.

On the other hand, DisplayPort also facilitates audio transmission but doesn’t carry as many audio channels as HDMI.

Bandwidth and Audio Quality

Bandwidth plays a crucial role in determining the quality of transmitted audio. With its higher bandwidth capabilities, HDMI can accommodate higher fidelity audio formats, ensuring a more immersive auditory experience than DisplayPort.

Compatibility and Devices

While both interfaces are widely supported across various devices, HDMI has found more extensive integration, especially in consumer electronics like T.V.s, gaming consoles, and audio-visual receivers.

Although less prevalent, DisplayPort is gaining traction, particularly in computer monitors and high-performance computing setups.

Advantages of HDMI Audio

For instance, HDMI audio at home theatres or gaming setups whose perfect sound quality matters. Its support for the latest audio formats, such as Dolby True HD DTS-HD Master Audio, further enhances its audio quality.

Advantages of DisplayPort Audio

DisplayPort may have fewer supported audio channels, but it compensates by offering higher refresh rates and resolutions.

This makes it a preferred choice for graphic design, video editing, and CAD professionals, where visual fidelity precedes extensive audio configurations.

Considerations for Different Uses

Choosing between HDMI and DisplayPort for audio transmission often depends on the intended use.

HDMI might be the go-to choice for entertainment setups seeking a comprehensive audio-visual experience. Meanwhile, professionals in graphic-intensive fields might lean towards DisplayPort for its superior visual capabilities.

Enhancements to DisplayPort Audio Transmission

Greater Resolutions:

DisplayPort 2.0, the most recent version, can show 8K resolutions at 60Hz. It is difficult for even the most powerful P.C.s to output 4k at 60Hz. Investing in DisplayPort is an investment in your future.

Support for Increased Refresh Rates:

DisplayPort has a wide range of refresh rate capabilities. 2010 saw the release of DisplayPort 1.2, which supports 1440p at 144Hz. Even 240Hz is supported by the more recent models. Selecting DisplayPort might be wise if your monitor has a high refresh rate.

Future Trends and Updates

Potential Advancements

As technology progresses, DisplayPort’s audio capabilities are anticipated to evolve further, potentially integrating more advanced audio standards and features.

Emerging Technologies

Advancements in audio technologies, coupled with DisplayPort’s adaptability, might pave the way for enhanced audio experiences in the future.


In conclusion, DisplayPort carries audio signals, offering users a comprehensive multimedia experience. Its compatibility and evolving standards continue to shape seamless audio-visual integration in modern devices.


Does every DisplayPort support audio transmission?

DisplayPort versions from 1.1 onward typically support audio, but device compatibility may vary.

Can I use DisplayPort solely for audio without video transmission?

DisplayPort primarily transmits video and audio; using it solely for audio might require specific configurations.

What if I can’t get audio through my DisplayPort connection?

Check device settings, ensure drivers are up to date, and verify hardware compatibility to troubleshoot audio issues.

Is DisplayPort audio better than HDMI audio?

DisplayPort’s higher bandwidth potentially allows for better audio quality, but the choice depends on device compatibility and user preferences.

Will future DisplayPort versions enhance audio capabilities further?

Future DisplayPort iterations might introduce advanced audio standards and features, potentially enhancing audio experiences.

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