You can deliver music that surrounds us, that feels like being at the concert. There's so many experiences you can now recreate with spatial audio. Let me tell you about media experiences you can now expect to create. Multichannel audio tracks in regular media files - and WebKit's MSE in the fall 2021 releases - also benefit from limited support that I'll detail later. There's absolutely no software change needed. Simply publishing this will enable, by default, spatial audio in your application. In fact, you may already have in your content library multichannel audio source media. That experience is most adaptive to the customer's environment when providing HLS variants that reference multichannel audio alternates. We made it simple to bring the spatial audio experience to your customers.Īs I just alluded to, the best way to enjoy spatial audio in your applications is to provide multichannel audio. It works best with multichannel content but it also offers a compelling experience for stereo content as well.įinally, spatial audio support is offered for audiovisual and audio-only media sources.īest of all, it works with a variety of Apple products your customers already have. It's a psychoacoustic technology that has the effect of producing a compelling virtual soundstage. Spatial audio offers a theater-like experience. This is not a theater-like experience, but this is where spatial audio can help. It's missing lifelike, positional reproduction.Īnd in the case of headphones, the sound emanates from tiny speakers in, or on, our heads we call this an in-head experience.Īs we naturally move our heads while watching a movie, those tiny speakers move with us. We don't hear sounds from behind us, directly in front, or above us. You're in for a treat! To understand what is spatial audio, let's start by considering classic stereo.īe it headphones or stereo speaker arrangements of yesteryear, the soundstage we perceive is rather limited. Then to top it all off, we'll end with a demo. I'll also reveal what's new this year in our fall 2021 OS releases. Next up, we'll review the levels of support for spatial audio in prior releases so that you can target features appropriately. In the second half, I'll introduce API and highlight different treatments that are applied. Then we'll enumerate the technologies and treatments that the feature offers. Together we'll cover what is spatial audio by contrasting it to existing technology we're familiar with. I'm Simon and I'm part of the streaming media team here at Apple.ĭo you want to offer your customers, and differentiate your service, with the experience of a movie theater? Would you like to offer immersive audio with rendering of multipoint audio sources that provides that sense of being there? Can we do all this from the convenience of the mobile device in our customer's pocket? In this session, we're going to explore spatial audio and how to deliver it with the Core AVFoundation playback APIs and WebKit. ♪ Bass music playing ♪ ♪ Simon Goldrei: Hello! In this session, we'll explore how to immerse your app in spatial audio.
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