What is MPEG-H 3D Audio?

Enhanced Media
4 min readJul 19


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The audio industry is an exciting one: we are always on the lookout for technologies that elevate the listening experience to new levels of immersion and realism, and fortunately, it is a never-ending journey. One of the myriad aspects and elements that enhance the sound experience is MPEG-H 3D Audio, an innovation that promises to revolutionize the way we perceive and enjoy sound.

MPEG-H 3D Audio is, in a nutshell, an audio coding technology, although the latter is an oversimplification since this system is far more complex than that: it is a window into a universe of immersive and customizable sound possibilities. With its ability to create a three-dimensional sound experience and adjust audio settings according to individual preferences, MPEG-H 3D opens the door to a new era in sound design and mixing.

Let’s start by defining the basics. An audio coding standard is a system that establishes rules and technical specifications for encoding and compressing digital audio. Its purpose is to ensure compatibility and quality playback on different devices (again, uniformly), which facilitates the transmission, storage, and exchange of audio files by having a common standard and also defines algorithms and methods for converting the analog audio signal into a compact, high-quality digital representation. The importance of standards lies in the fact that they offer high compression efficiency, reducing file size without compromising perceptible quality, which is essential for audio transmission and storage in streaming services and multimedia applications.

Now, imagine watching a movie at home and feeling the sound move around you as if you were inside the scene. Let’s say you’re watching an action movie and a fighter jet flies by on the screen: the sound can seem like it’s passing over you, creating an impressive sense of realism. In addition, you can adjust the audio settings to suit your preferences. If you prefer a more immersive sound or if you want to emphasize dialogue over sound effects, you can customize it to suit your taste.

This standard is used in TV broadcasting services and streaming platforms to provide that kind of sound experience: immersive and high quality. In this way, MPEG-H 3D Audio allows us to enjoy audio like never before, transporting us to a sound world full of emotions and sensations. We are talking about a technology that has the power to radically transform our listening experience by providing a three-dimensional immersion in sound and allowing us to customize our sound preferences. With this system, audio ceases to be a mere accompaniment and becomes an immersive and realistic experience.

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Now imagine an action video game in which a character jumps from the right to the left side of the screen. With MPEG-H 3D Audio, the sound of the jump will move from one speaker to another, creating a sense of movement and precise location in space. This creates a deeper emotional impact and a greater connection to the visual narrative. If this, in addition, is incorporated with other technologies, such as virtual reality, players will be so immersed in the experience that they will be unable to distinguish it from reality. On the streaming side, MPEG-H 3D Audio offers higher sound quality and a more immersive experience compared to previous standards. Streaming services can use this standard to offer users an immersive, three-dimensional audio experience on their devices, whether on cell phones, tablets, or smart TVs.

This means that this technology opens the door to a wide range of practical applications, offering significant advantages in a variety of areas, including broadcast television, movies, videos on YouTube and other platforms, commercials, music, video games, and more. In broadcast television, for example, MPEG-H 3D Audio provides an immersive sound that enhances the overall quality of the viewing experience by allowing viewers to become immersed in the content and feel part of the action. They can make decisions within their audiovisual experience, regardless of the content they are consuming.

This standard has great potential for implementation in various formats in the future, opening up new opportunities and benefits. Its application extends to areas such as online content streaming, including music and podcasts, providing an immersive and immersive audio experience. In the field of virtual and augmented reality, MPEG-H 3D Audio is already being used to achieve a realistic and immersive listening experience, and its implementation could expand further as technology in these immersive environments evolves. In cinema and home entertainment, MPEG-H 3D Audio could enable viewers to enjoy more immersive three-dimensional sound during movie screenings and live events. For communication and conferencing, this standard can improve sound quality and provide a more realistic audio experience, especially in business and remote collaboration environments.

We’ll see what we’ll find in this never-ending quest.

Interested in these topics? Don’t miss any of our posts. If you also require professional advice for your audio, film, television, or other projects, do not hesitate to contact the experts at Enhanced Media Sound Studio: we will be ready to take your work to a high-quality standard.



Enhanced Media

We tell stories through sound. We specialize in creating a complete audio post-production and sound design experience. https://enhanced.media/