Abstract
- Apple launched ASAF (Apple Spatial Audio Format) at WWDC, promising to ship “really immersive audio experiences.”
- ASAF depends on the Apple Positional Audio Codec (APAC), which nonetheless helps Dolby Atmos.
- ASAF enhances realism with dynamic audio changes based mostly on motion, not simply bodily location.
Dolby Atmos is among the hottest, and arguably among the best, spatial audio formats on this planet. Google and Samsung just lately teamed as much as create its competitor to Dolby Atmos known as Eclipsa Audio, and now Apple needs to construct upon Dolby Atmos too with its personal spatial audio format.
Throughout its current WWDC keynote, Apple did not waste any time. It showcased its new Liquid Glass design, enhancements to iPadOS, updates to CarPlay, and new options for iOS, together with Call Screening and Hold Assist. Nonetheless, one factor Apple did not point out throughout its hour-and-a-half-long keynote was its new spatial audio format, aptly named Apple Spatial Audio Format (ASAF).
ASAF was launched in a developer session throughout WWDC (through FlatpanelsHD), with Apple stating it is designed to ship “really immersive audio experiences” for iOS, iPadOS, tvOS, macOS, and visionOS. Nonetheless, in contrast to Elicpsa Audio, ASAF is not a rival to Dolby Atmos — but.
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What’s Dolby Atmos and ASAF?
ASAF is delivered via Apple’s APAC audio codec, which nonetheless helps Dolby Atmos
Pocket-lint / Apple
If you happen to’re unfamiliar with the precise ins and outs of Dolby Atmos, it is a spatial audio format that creates a practical and immersive 3D sound expertise. It is supported on quite a few streaming platforms, together with Disney+ and Netflix, and plenty of modern-day TVs include Dolby Atmos assist.
The first distinction between Dolby Atmos sound and common encompass sound (similar to 5.1) is that Atmos creates a 3D spatial expertise, making it really feel as if the sound is coming from throughout you at completely different heights, moderately than simply from left, proper, or middle.
So what does ASAF should do with this? As Flatpanels HD studies, ASAF is actually Apple’s model of Dolby Atmos, and it is designed to create an immersive 3D sound setting. ASAF has two principal parts try to be conscious of. The primary is ASAF itself, utilized by builders in audio and video manufacturing to place audio parts in a 3D area. The second is APAC (Apple Positional Audio Codec), the codec chargeable for delivering ASAF to customers.

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Whereas not sufficient to make me buy a Imaginative and prescient Professional, distinctive experiences like this are what’s bought me on combined actuality.
ASAF really excels with the Apple Imaginative and prescient Professional, enabling sound to flow into in a practical 3D area round you, by understanding the digital setting you are in. It responds to actions, similar to turning your head, and dynamically adjusts parts like quantity, echo, and reverb. The principle distinction between Dolby Atmos and ASAF is that Dolby Atmos assumes you are sitting in a single spot in your lounge or in a movie show, whereas ASAF has the flexibility to adapt sound to your actions in actual time, making a extra immersive expertise.
ASAF is simply supported on Apple units, so will probably be tough for it to ever totally substitute Dolby Atmos.
Whereas ASAF could be performed on all of Apple’s platforms, like iOS or macOS, will probably be skilled greatest with visionOS because of its deal with augmented actuality experiences.
Apple stated at WWDC 2025 that the brand new APAC codec will likely be required for all Immersive Video titles going ahead. Nonetheless, creators can nonetheless use Dolby Atmos throughout the APAC codec, that means that ASAF is not exactly a Dolby Atmos rival simply but, as it might nonetheless be used along with it on Apple units to ship compelling audio experiences. Nonetheless, I would not be shocked if Apple’s endgame right here is to make ASAF a real various to Dolby Atmos sooner or later.
ASAF is simply supported on Apple units, so will probably be tough for it to ever totally substitute Dolby Atmos. With that in thoughts, don’t be concerned about Dolby Atmos going anyplace anytime quickly, due to its broad assist for a variety of various units.

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