Note: IAMF stands for “Immersive Audio Model and Formats”, which refers to immersive audio models and formats.

According to reports, although 3D audio has many advantages, it has been difficult to be applied to home audio equipment for a long time due to technical limitations. Hwang SungHee, an engineer at Samsung Research Institute, said that currently 3D audio information from audio and video content cannot be correctly interpreted by home audio systems such as TV speakers or sound bars, resulting in a limited audio experience.

To this end, Samsung has teamed up with Google to develop an audio solution. Samsung said that if device manufacturers can read 3D audio data, they can adjust the sound in the audio device, allowing for an “immersive” audio experience through standard TV speakers or speakers in the home.

IAMF has three major features: vertical audio, AI-based scene analysis and audio customization. Engineer Nam WooHyun said that this technology can make the sound more and more “multi-directional”, allowing the listener to hear the sound from the front, rear, side, above, and below. For example, the viewer can hear the sound above the head through the TV using this technology. The sound of birds came. “I hope users can get an immersive feeling, and I want to continue this research until 3D audio is available on Samsung smartphones.”

In addition, IAMF can also use AI and deep learning technology to analyze scenes and emphasize the key parts of the content – such as the background music, sound effects, or character dialogue of some scenes in film and television dramas.

As for audio customization, IAMF technology allows users to freely adjust the sound effects according to their own preferences, whether it is scene sounds or character dialogue. The official showed a scenario: when watching a football game, users can choose to highlight the commentary or the live sound.

According to officials, IAMF is the first open source-based audio technology standard adopted by the Open Media Alliance, which means that enterprises or individual creators across the industry can adopt this technology and expand its use.

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▲ Picture source: foreign media 9to5Mac

The gift box invitation shows that Apple will provide a “Spatial Audio” option for this conference, but considering web compatibility, it is expected that only live broadcasts on the official website will support related functions.

▲ Picture source: foreign media 9to5Mac

Note: “Spatial Audio” is a virtual sound field system launched by Apple. It mainly optimizes the algorithm based on Dolby Atmos and uses gyroscopes to increase the sound direction when shaking the head, thereby expanding the sound field and increasing the sense of space. , providing a wider range of details for the music listening experience.

Apple officially provides devices that support spatial audio as follows:

     AirPods Pro (1st or 2nd generation), AirPods Max, AirPods (3rd generation), Beats Fit Pro, or Beats Studio Pro headphones

     iPhone 7 and later iPhones

     12.9-inch iPad Pro (3rd generation) and later

     All 11-inch iPad Pro

     iPad Air (3rd generation) and later

     iPad (6th generation) and later

     iPad mini (5th generation) and later

     Built-in speakers on Mac computers powered by Apple chips

     Apple TV 4K with Apple tvOS 15 or later

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Article editor Daryl Baxter says he’s been a Spotify user for a long time and recently wanted to try out Apple Music’s spatial audio features, so he opened a 3-month trial period. But the results weren’t to his satisfaction.

He found playlists in Apple Music that supported spatial audio, but a large percentage of those songs were grayed out and unplayable. He couldn’t play or download the songs even after clicking on them.

He gets an error message after clicking, and Apple requires that the iPhone be connected to a PC or Mac device with Apple Music or iTunes installed before the songs will sync.

He speculated that this might be because Apple Music is trying to process the tracks you’ve already downloaded to avoid confusion with the same tracks on the server that supports spatial audio. In the end, he closed the Apple Music app and continued to use Spotify without spatial audio.

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