Audio & Video

• WWDC24
• iOS, iPadOS, macOS, tvOS, visionOS, watchOS

Explore how HLS Interstitials can help you seamlessly insert advertisements into your HLS content. We'll also show you how to use integrated timeline to tune your UI experience and build SharePlay for interstitials.

• WWDC24
• visionOS

Find out how you can use new enterprise APIs for visionOS to create spatial experiences that enhance employee and customer productivity on Apple Vision Pro.

• WWDC24
• tvOS

SwiftUI helps you build great apps on all Apple platforms and is the preferred toolkit for bringing your content into the living room with tvOS 18. Learn how to use SwiftUI to create familiar layouts and controls from TVMLKit, and get tips and best practices.

• WWDC24
• visionOS

Learn how AVExperienceController can enable playback of multiple videos on Apple Vision Pro. Review best practices for adoption and explore great use cases, like viewing a sports broadcast from different angles or watching multiple games simultaneously. And discover how to design a compelling and...

• WWDC24
• visionOS

Extend your media viewing experience using Reality Composer Pro components like Docking Region, Reverb, and Virtual Environment Probe. Find out how to further enhance immersion using Reflections, Tint Surroundings Effect, SharePlay, and the Immersive Environment Picker.

• WWDC24
• iOS, iPadOS, macOS, tvOS, visionOS, watchOS

Discover how you can monitor, analyze, and improve user experience with the new media performance APIs. Explore how to monitor AVPlayer performance for HLS assets using different AVMetricEvents, and learn how to use these metrics to understand and triage player performance issues.

• WWDC24
• iOS, iPadOS, macOS, visionOS

Discover how to read and write HDR images and process HDR content in your app. Explore the new supported HDR image formats and advanced methods for displaying HDR images. Find out how HDR content can coexist with your user interface — and what to watch out for when adding HDR image support to...

• WWDC24
• macOS

Learn how to capture high dynamic colors using ScreenCaptureKit, and explore new features like HDR support, microphone capture, and straight-to-file recording.

• WWDC24
• visionOS

Learn how to use custom spatial Persona templates in your visionOS SharePlay experience to fine-tune the placement of Personas relative to your app. We'll show you how to adopt custom spatial Persona templates in a sample app with SharePlay, move participants between seats, and test your changes...

• WWDC23
• iOS, iPadOS, macOS

Discover how the Cinematic Camera API helps your app work with Cinematic mode videos captured in the Camera app. We'll share the fundamentals — including Decision layers — that make up Cinematic mode video, show you how to access and update Decisions in your app, and help you save and load those...

• WWDC23
• iOS, iPadOS, macOS, tvOS

Learn how you can upgrade your app's AirPlay audio experience to be more robust and responsive. We'll show you how to adopt enhanced audio buffering with AVQueuePlayer, explore alternatives when building a custom player in your app, and share best practices.

• WWDC23
• iOS, iPadOS, macOS, tvOS, watchOS

Discover how your app can offer a great audio matching experience with the latest updates to ShazamKit. We'll take you through matching features, updates to audio recognition, and interactions with the Shazam library. Learn tips and best practices for using ShazamKit in your audio apps. For more...

• WWDC23
• iOS, iPadOS, macOS, tvOS

Discover how you can create transformative audio experiences in your app using AirPods. Learn how to incorporate AirPods Automatic Switching, use AVAudioApplication to support Mute Control, and take advantage of Spatial Audio to create immersive soundscapes in your app or game.

• WWDC23
• visionOS

Discover how you can use sound to enhance the experience of your visionOS apps and games. Learn how Apple designers select sounds and build soundscapes to create textural, immersive experiences. We'll share how you can enrich basic interactions in your app with sound when you place audio cues...

• WWDC23
• iOS, iPadOS, macOS, tvOS

Discover how your app can take advantage of SharePlay to turn any activity into a shareable experience with friends! We'll share the latest updates to SharePlay, explore the benefits of creating shared activities, dive into some exciting use cases, and take you through best practices to create...

• WWDC23
• iOS, iPadOS, macOS, tvOS

Learn how to use the Apple voice processing APIs to achieve the best possible audio experience in your VoIP apps. We'll show you how to detect when someone is talking while muted, adjust ducking behavior of other audio, and more.

• WWDC23
• iOS, iPadOS, tvOS

Discover how you can bring AVFoundation, AVFAudio, and AudioToolbox to your apps on tvOS and create camera and microphone experiences for the living room. Find out how to support tvOS in your existing iOS camera experience with the Device Discovery API, build apps that use iPhone as a webcam or...

• WWDC23
• visionOS

Learn how to prepare and deliver video content for visionOS using HTTP Live Streaming (HLS). Discover the current HLS delivery process for media and explore how you can expand your delivery pipeline to support 3D content. Get up to speed with tips and techniques for spatial media streaming and...

• WWDC23
• macOS

Level up your screen sharing experience with the latest features in ScreenCaptureKit. Explore the built-in system picker, Presenter Overlay, and screenshot capabilities, and learn how to incorporate these features into your existing ScreenCaptureKit app or game.

• WWDC23
• visionOS

Get ready to support video in your visionOS app! Take a tour of the frameworks and APIs that power video playback and learn how you can update your app to play 3D content. We'll also share tips for customizing playback to create a more immersive watching experience.

• WWDC23
• iOS, iPadOS, macOS, tvOS

Discover how to work with files and attachments in a SharePlay activity. We'll explain how to use the GroupSessionJournal API to sync large amounts of data faster and show you how to adopt it in a demo of the sample app DrawTogether.

• WWDC23
• iOS, iPadOS, macOS, tvOS

Learn how you can use HLS Interstitials with AirPlay to create seamless transitions for your video content between advertisements. We'll share best practices and tips for creating a great experience when sharing content from Apple devices to popular smart TVs.

• Tech Talks
• iOS, iPadOS, macOS

Learn how you can match color requirements in demanding pro workflows using Reference Mode on the 12.9-inch iPad Pro with Liquid Retina XDR display. We'll show you how Reference Mode enables you to represent color accurately and provide consistent image representation in workflows like review and...

• Tech Talks
• macOS

Apple Pro Display XDR is a high grade reference monitor designed for professional workflows such as video editing, photography, 3D animation and game development. Discover how you can use underlying technology and framework-level support to improve your professional workflows for content...

• Tech Talks
• tvOS

Learn about the Apple TV Distribution Program and the engineering requirements and business benefits that come with enrollment. Familiarize yourself with the authentication context, VideoSubscriberAccount framework, and the Set Top Box APIs.

• Tech Talks
• tvOS

Learn about the VideoSubscriberAccount framework, what it does, and how to integrate this framework with your app. Learn how this framework fits into the development for the Apple TV Distribution Program.

• Tech Talks
• tvOS

Learn about the Apple TV authentication context, what it does, and how to start building this web service. Learn how the authentication context fits into the development for the Apple TV Distribution Program.

• Tech Talks
• tvOS

Learn about the Set Top Box APIs, what they do, and how they help make the Apple TV setup easier for your customers. Learn how this framework fits into the development for the Apple TV Distribution Program.

• Tech Talks
• tvOS

This video provides a feature overview of the Apple TV App and Universal Search services, and introduces how 3rd party video services integrate with them through metadata feeds. Requirements for providing metadata about your movies, tv shows, and sporting events are detailed — in addition how to...

• Tech Talks
• tvOS

Get an overview of the client-side integration required for 3rd party applications that are participating with the Apple TV App. Learn about onboarding and testing. See how to register subscriptions for your customers, report playback data as content is watched in your applications, and support...

• Tech Talks
• iOS, iPadOS

iPhone X features an all-screen Super Retina display, providing more space to display content and create deeply immersive experiences. Learn how to design your app or game to look and feel great on iPhone X, and all iOS devices.

• Tech Talks
• iOS, iPadOS, macOS, tvOS

Dolby Vision and HDR10 enable amazing new video viewing experiences with a wider color gamut and deeper contrast. Learn how this new technology works, and what the differences are between Dolby Vision and HDR10.

• Tech Talks
• iOS, iPadOS, tvOS

4K and HDR technologies enable the creation of amazing cinematic video experiences and stunning picture quality. Learn about how to support these new formats, and how to properly author your playlists to enable playback of these types of streams.

• Tech Talks
• tvOS

Starting with tvOS 11.2, Apple TV 4K can automatically switch video display modes to match the native frame rate and dynamic range of video content. With tvOS 11.3, Apple TV (4th generation) can also automatically switch video display modes to match native frame rate. Learn how to make sure your...

• WWDC22
• iOS, iPadOS, macOS, tvOS, watchOS

Discover how you can enhance and personalize your app using MusicKit. We'll take you through the latest additions to the MusicKit framework and explore how you can bring music content to your app through requests, metadata, and more.

• WWDC22
• macOS

Learn how ScreenCaptureKit can deliver high-performance screen capture for your macOS screen sharing applications, video conferencing apps, game streaming services, and more. We'll explore the building blocks of this API, learn how to configure streams to capture on-screen video and audio...

• WWDC22
• iOS, iPadOS, macOS, tvOS

EDR is Apple's High Dynamic Range representation and rendering pipeline. Explore how you can render HDR content using EDR in your app and unleash the dynamic range capabilities of HDR displays on iPhone and iPad. We'll show how you can take advantage of the native EDR APIs on iOS, provide best...

• WWDC22
• iOS, iPadOS, macOS

Explore the Apple Music API and MusicKit client frameworks. Learn how you can integrate Apple Music features into your web service or Android app, make requests to the Apple Music API to discover and fetch content, and personalize the experience for subscribers.

• WWDC22
• iOS, iPadOS, macOS, tvOS

Find out how you can deliver a coordinated playback experience in SharePlay when your app delivers different ad schedules to each participant. We'll explore how to build playback experiences with stitched-in ads and scheduled HLS interstitials, and share tips and best practices.

• WWDC22
• iOS, iPadOS, macOS, tvOS

Join us as we share the latest updates to SharePlay. We'll show you how you can start SharePlay sessions right from your app, take you through improvements to APIs to create richer experiences, and check out enhancements to GroupSessionMessenger. We'll also explore best practices for adding...

• WWDC22
• iOS, iPadOS, macOS, tvOS, watchOS

Learn how ShazamKit can help you build custom catalogs and support exact matching of any audio source within your app — all on-device. Find out how you can easily generate audio signatures and build catalogs at scale through the new ShazamKit CLI. We'll also show you how you can quickly update...

• WWDC22
• iOS, iPadOS, macOS, tvOS

Learn how you can take advantage of AVFoundation and Metal to build an efficient EDR pipeline. Follow along as we demonstrate how you can use AVPlayer to display HDR video as EDR, add playback into an app view, render it with Metal, and use Core Image or custom Metal shaders to add video effects...

• WWDC22
• iOS, iPadOS, macOS

Discover the latest updates and improvements to the Advanced Video Quality Tool (AVQT). We'll take you through the interactive reports feature and help you learn how to identify video quality-related issues. We'll also explore extended support for raw formats, show you how to evaluate specific...

• WWDC22
• iOS, iPadOS, macOS

HLS Interstitials can help you create seamless transitions in video content between advertisements, other interstitials, and your HLS streams. Learn how you can optimize your ad inventory, fine-tune interstitial presentation with SNAP-IN/OUT when using HLS, and more.

• WWDC22
• iOS, iPadOS, macOS, tvOS

Discover how you can design and build a great SharePlay experience. We'll show you how to identify activities in your app that can help bring everyone together — even while they're apart. Learn best practices to help you design for group activities, create intuitive interactions, and build...

• WWDC22
• iOS, iPadOS, macOS

Discover how you can add support for rendering in Extended Dynamic Range (EDR) from a Core Image based multi-platform SwiftUI application. We'll outline best practices for displaying CIImages to a MTKView using ViewRepresentable. We'll also share the simple steps to enable EDR rendering and...

• WWDC22
• iOS, iPadOS, macOS

Find out how you can use the latest iOS and iPadOS system media players to build amazing media apps. We'll share how we designed the updated player and give you best practices and tips to help you design media experiences of your own. We'll also explore Live Text for video and show you how to...

• WWDC22
• iOS, iPadOS, macOS

Learn how you can highlight your app's Now Playing information on every platform. We'll take you through an overview of media metadata, learn how it gets represented in areas like the Lock Screen and Control Center, and show you how to write and publish effective media metadata for your content...

• WWDC22
• iOS, iPadOS, macOS

Discover how you can easily connect Thunderbolt and USB accessories to iPad with DriverKit. We'll show you how to convert your existing Mac drivers without any code changes, learn how to add real-time audio support with AudioDriverKit, and provide best practices and tips for developing drivers...

• WWDC22
• tvOS

Discover how you can create personalized, individual experiences in your tvOS app. We'll show you how you can offer a single checkbox to store profile data, game save states, and more, providing each person with the same level of data separation they'd have on a personal device like iPhone. We'll...

• WWDC22
• iOS, iPadOS, macOS, tvOS

HLS Content Steering dynamically steers clients to different servers based on load and redundancy. We'll take you through the latest updates to this framework and explore how you can introduce dynamically spawned CDNs to existing HLS clients with Pathway Cloning. We'll also share how you can...

• WWDC22
• macOS

Discover how you can support complex screen capture experiences for people using your app with ScreenCaptureKit. We'll explore many of the advanced options you can incorporate including fine tuning content filters, frame metadata interpretation, window pickers, and more. We'll also show you how...

• WWDC22
• iOS, iPadOS, macOS, tvOS

Discover how you can use AVFoundation to keep people focused on your media app's content — not your loading spinner. We'll show you how to support a responsive and fluid interface in your app, all while you create rich audiovisual compositions, load audiovisual assets, and prepare media...

• WWDC22
• iOS, iPadOS, tvOS, watchOS

Learn how you can create integrated content experiences across multiple devices. We'll introduce you to DeviceDiscoveryUI, which makes it easy to set up communication pathways and connect Apple TV with other devices like iPhone, iPad and Apple Watch. We'll also explore common scenarios and...

• WWDC21
• iOS, iPadOS

Discover how you can use the Apple Music API to fetch music catalog metadata for your app. Explore the latest updates to the API as well as some advanced techniques for shaping your requests and highlighting the right metadata for a project. To get the most out of this session, we recommend some...

• WWDC21
• iOS, iPadOS

Discover how you can deliver rich app experiences that include animation, sound, and haptics on iPhone. Learn key concepts for designing multimodal experiences within the Core Haptics framework. We'll take you through our sample HapticRicochet app — where haptic and sound feedback is designed in...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Discover how you can use HLS playlist tags and the Steering Manifest format with your content to help dynamically update CDN redundancy policies tuned for each viewer. Learn how to load balance, set failover, and more.

• WWDC21
• iOS, iPadOS, macOS, tvOS, watchOS

Explore how you can use the Sound Analysis framework in your app to detect and classify discrete sounds from any audio source — including live sounds from a microphone or from a video or audio file — and identify precisely in a moment where that sound occurs. Learn how the built-in sound...

• WWDC21
• iOS, iPadOS, macOS, tvOS, watchOS

Discover how you can use AVFoundation APIs to highlight different variants of your content within your app. We'll show you how you can inspect HLS content using these APIs for different video characteristics, including attributes like SDR/HDR, FPS, and the like. And we'll explore the...

• WWDC21
• iOS, iPadOS, macOS, tvOS, watchOS

MusicKit makes it easy to integrate Apple Music into your app. Explore the Swift-based framework: We'll take you through the basic process of using MusicKit — including how to find, request, and play content — and show you how you can incorporate music subscription workflows into your app if...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Learn more about the framework powering SharePlay, and discover the different types of shared experiences you can implement for people who use your app. Explore a high-level overview of the framework's architecture and concepts, including how Group Activities and AVFoundation work in tandem, and...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Learn how you can design your app to support SharePlay experiences. We'll show you how you can bring people together in your app using the Group Activities framework, and adapt your design to focus on group-first content sharing. And we'll explore ideas and iteration around apps and functions you...

• WWDC21
• iOS, iPadOS, macOS

Explore how geometry-aware audio can help you build complex, interactive, and immersive audio scenes for your apps and games. Meet PHASE, Apple's spatial audio API, and learn how the Physical Audio Spatialization Engine (PHASE) keeps the sound aligned with your experience at all times — helping...

• WWDC21
• iOS, iPadOS, macOS

EDR is Apple's High Dynamic Range representation and rendering pipeline. Explore how you can render HDR content using EDR in your app and unleash the dynamic range capabilities of your HDR display including Apple's internal displays and Pro Display XDR. We'll show you how game and pro app...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Go beyond basic streaming and interaction and discover how you can build advanced SharePlay experiences using the full power of the Group Activities framework. We'll show you how to adapt a simple drawing app into a real-time shared canvas, explore APIs like GroupSessionMessenger — which helps...

• WWDC21
• tvOS

Find out how you can use Apple TV's redesigned playback interface to build great media experiences in your apps. Learn how the latest interface helps people access relevant controls and information while maintaining focus on content. We'll show you how you can adopt AVPlayerViewController and...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Never again miss anyone's great moment in your game or app. Learn about ReplayKit's latest update — clips screen recording — which provides your app with a rolling buffer of past video and audio samples. When memorable moments happen, discover how you can record and save it for people, and find...

• WWDC21
• iOS, iPadOS, macOS, tvOS, watchOS

Discover the latest updates to AVFoundation, Apple's framework for inspecting, playing, and authoring audiovisual presentations. We'll explore how you can use AVFoundation to query attributes of audiovisual assets, further customize your custom video compositions with timed metadata, and author...

• WWDC21
• iOS, iPadOS, macOS

Discover how you can add Core Image kernels written in the Metal Shading Language into your app. We'll explore how you can use Xcode rules and naming conventions for Core Image kernels written in the Metal Shading Language, and help you make sense of Metal's Stitchable functions and dynamic...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Learn how you can create seamless transitions between advertisements and your HLS streams. We'll show you how to incorporate HLS tags and AVFoundation APIs to create media experiences that move easily between your primary content and mid-rolls, and provide best practices for playing these streams...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Discover how you can create streaming media content that seamlessly transitions between episodes, songs, scenes, and individual resources. With gapless HLS playback, you can stitch together multiple pieces of content on the fly to create customized workouts, design interactive content, tell...

• WWDC21
• macOS

Discover how to use the AudioDriverKit API to consolidate your Audio Server plug-in and DriverKit extension into a single package. Learn how you can simplify audio driver installation with an app instead of an installer package and distribute your driver through the Mac App Store. And we'll take...

• WWDC21
• iOS, iPadOS, macOS

Learn about enhancements to Picture in Picture and full screen improvements on macOS. Explore the new content source API, and learn how AVPictureInPictureController supports AVSampleBufferDisplayLayer, as well as recommended steps for an app to provide a seamless full screen experience on macOS...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Learn how the Advanced Video Quality Tool (AVQT) can help you accurately assess the perceptual quality of your compressed video files. Utilizing the AVFoundation framework, AVQT supports a wide range of video formats, codecs, resolutions and frame-rates in both the SDR and HDR domains, which...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Discover how spatial audio can help you provide a theater-like experience for media in your apps and on the web. We'll show you how you can easily bring immersive audio to those listening with compatible hardware, and how to automatically deliver different listening experiences depending on...

• WWDC21
• iOS, iPadOS, macOS, tvOS

Discover how you can help people watch or listen to content all in sync with SharePlay and the Group Activities framework. We'll show you how to adapt a media app into a synchronized, SharePlay-enabled experience for multiple people. Learn how to add Group Activities to your app, explore the...

• WWDC21
• iOS, iPadOS, macOS, tvOS, watchOS

Take advantage of Shazam's exact audio matching capabilities within your app when you use ShazamKit. Learn how you can harness the immense Shazam catalog to create all sorts of experiences, including quickly recognizing the exact song playing in the background of a video captured by your app,...

• WWDC21
• iOS, iPadOS, macOS

Supporting low latency encoders has become an important aspect of video application development process. Discover how VideoToolbox supports low-delay H.264 hardware encoding to minimize end-to-end latency and achieve new levels of performance for optimal real-time communication and high-quality...

• WWDC21
• iOS, iPadOS, macOS, tvOS, watchOS

Bring custom audio matching to your app with ShazamKit. Discover how you can use Shazam's exact audio matching to recognize audio against any source when you use custom catalogs on device. Download our starter project and code along with the presenter as we guide you through the process of...

• WWDC21
• macOS

Create SharePlay experiences that people can enjoy on the web and in your companion app. Learn how you can use the Group Activities framework in combination with a companion website to bring SharePlay to Safari, letting people connect with each other for enjoyable group interactions — even if...

• WWDC20
• iOS, iPadOS, macOS

Find out how you can support HDR editing and playback in your macOS app, and how you can determine if a specific hardware configuration is eligible for HDR playback. We'll show you how to use AVMutableVideoComposition with the built-in compositor and easily edit HDR content, explain how you can...

• WWDC20
• iOS, iPadOS, macOS, tvOS, watchOS

Discover Playlist Delta Updates, an HLS feature that optimizes the delivery of live streams with large playback windows and lots of metadata. We'll show you how Playlist Delta Updates can reduce overheard when producing live streams, provide higher-quality variants for people with slower...

• WWDC20
• tvOS

Share your living room — not your Apple TV apps. When you support profiles within your app, you can customize your experience for each person who uses Apple TV within the same house. Discover how the “Runs as Current User” feature lets someone interact with your app, download local content,...

• WWDC20
• iOS, iPadOS, macOS, tvOS

Learn how you can integrate ReplayKit into your Mac apps and games to easily share screen recordings or broadcast live audio and visuals online. We'll show you how to capture screen content, audio, and microphone input inside your Mac apps, and even broadcast your video to a live audience. For...

• WWDC20
• iOS, iPadOS, macOS

Learn how to integrate and load Core Image kernels written in the Metal Shading Language into your application, and discover how you can apply these image filters to create unique effects. Explore how to use Xcode rules and naming conventions for Core Image kernels written in Metal Shading...

• WWDC20
• iOS, iPadOS, macOS, tvOS

Explore how you can harness the processing power of Core Image and optimize video performance within your app. We'll show you how to build your Core Image pipeline for applying effects to your video in your apps: Discover how to reduce your app's memory footprint when using CIContext, and learn...

• WWDC20
• iOS, iPadOS, macOS

Fine-tune your audio app or plug-in for Apple silicon Macs: We'll show you how to register your realtime threads using Audio Workgroups and make your app sing. Learn more about the power efficiency of System on a Chip (SoC) and how you can take advantage of new APIs to improve the speed and sound...

• WWDC20
• iOS, iPadOS, macOS, tvOS, watchOS

Learn how to implement Blocking Preload Hints for Low-Latency HLS to reduce delivery latency and improve the reliability of your video and audio streams. Discover how to integrate LL-HLS with CMAF Chunk delivery and unify your delivery across streaming formats.

• WWDC20
• iOS, iPadOS, macOS

Transform your audio and video content into fragmented MPEG-4 files for a faster and smoother HLS streaming experience. Learn how to work with the fragmented MPEG-4 format, generate fragmented content from a movie, and set up AVAssetWriter to create fragments for HLS output.

• WWDC20
• macOS

Make decoding and displaying ProRes content easier in your Mac app: Learn how to implement an optimal graphics pipeline by leveraging AVFoundation and VideoToolbox's decoding capabilities. We'll share best practices and performance considerations for your app, show you how to integrate...

• WWDC20
• iOS, iPadOS, macOS, tvOS, watchOS

Blocking Playlist Reload is a required component of Low-Latency HLS that improves segment discovery time in live streams and addresses the common problem of stale playlists when delivering through an HTTP cache. Learn how to use Blocking Playlist Reload to reduce streaming latency and improve CDN...

• WWDC20
• tvOS

Searching your tvOS app just got even better. Get ready to explore the new simplified search interface and learn how to integrate it into your app with UISearchController. Support your global audience with the addition of new international keyboards and languages. Discover how to add search...

• WWDC20
• iOS, iPadOS

Discover how to play HLS audio or video without an internet connection in your app by downloading HLS content for offline consumption using AVFoundation. Explore best practices for working with your HLS content while offline, learn how to use FairPlay Streaming to protect your offline audio and...

• WWDC20
• tvOS

Picture in Picture is coming to Apple TV: With simultaneous video playback and the ability to swap between full screen content and Picture in Picture, you've never had more multitasking flexibility within your tvOS app. Discover how you can add AVPictureInPictureController to your project,...

• WWDC20
• watchOS

Deliver a smooth streaming audio experience straight to the wrist. We'll talk about some of the new things for building great streaming apps unique to Apple Watch. Learn how to integrate more audio formats, deliver streams more efficiently through new codecs, and add encrypted content to expand...

• WWDC20
• iOS, iPadOS, macOS

Discover how to author and export high dynamic range (HDR) content in your app using AVFoundation. Learn about high dynamic range and how you can take advantage of it in your app. We'll show you how to implement feature sets that allow people to export HDR content, go over supported HDR formats,...

• WWDC20
• iOS, iPadOS, tvOS, watchOS

Demystify the art of designing Siri experiences for your music and audio apps: We'll show you how to think about crafting great interactions and how you can provide custom vocabulary so that Siri can respond with more accuracy and personality. We'll also explain how you can debug common errors...

• WWDC20
• iOS, iPadOS, macOS, tvOS

Find and fix rendering and optimization issues in your Core Image pipeline with Xcode environment variable. Discover how you can set the environment variable for visualizing your Core Image graphs. You'll learn how to generate Core Image graphs and how to interpret them to discover memory, color,...

• WWDC20
• iOS, iPadOS, macOS, tvOS, watchOS

Deliver live and on-demand audio and video to iPhone, iPad, Apple Watch, Mac, PC, and Apple TV with HTTP Live Streaming (HLS). Learn about tools and features to help improve the authoring of your HLS streams and provide low-latency delivery and better audio performance to people watching or...

• WWDC20
• iOS, iPadOS, macOS, tvOS, watchOS

Apple has added Low-Latency extensions to the HTTP Live Streaming protocol that combine the quality and scalability of HLS with a stream delay of two seconds or less. Learn about the most recent developments in LL-HLS and how it allows you to make your video delivery competitive with broadcast...

• WWDC20
• iOS, iPadOS, tvOS, watchOS

Discover how you can enable Siri summoning for your music or audio app using SiriKit Media Intents. We'll walk you through how to add Siri support to your music, podcast, or other audio service on more of our platforms, including HomePod and Apple TV, so people can start listening by just asking...

• WWDC20
• tvOS

Add a new dimension to your tvOS app with SwiftUI. We'll show you how to build layouts powered by SwiftUI and customize your interface with custom buttons, provide more functionality in your app with a context menu, check if views are focused, and manage default focus. To get the most out of...

• WWDC20
• iOS, iPadOS, macOS, tvOS, watchOS

Find out how to integrate advertising into your Low-Latency HLS streams through server-side ad insertion. We'll show you how to segment your ad content, and examine how ad insertion works with LL-HLS features such as Blocking Playlist Reload and Blocking Preload Hints. For more information about...

• WWDC20
• iOS, iPadOS

Stereo recording is a powerful way to deliver immersive sound to listeners, fans, and family — and your app can use the built-in microphones on iPhone or iPad to record it. Discover how AVAudioSession can help you capture stereo audio from a mobile device, address the new special consideration...

• WWDC20
• iOS, iPadOS, macOS, tvOS, watchOS

Discover techniques for streaming high-quality audio to bandwidth-limited networks and new audio codec support. We'll share some best practices for supporting the xHE-AAC, FLAC, and Apple Lossless Audio audio codecs, including limited support for multichannel AAC.

• WWDC19
• iOS, iPadOS, macOS, tvOS

AVAudioEngine enables the realtime capture, processing, and playback of audio. Learn how to take advantage of enhancements to this powerful API, such as support for voice processing and spatial rendering mode selection, in your own audio app.

• WWDC19
• iOS, iPadOS, macOS, tvOS

With the addition of alpha channel support for HEVC video, you can now composite video over custom backgrounds in both your apps and on the web. Learn how to author compatible media, and the best practices for playback.

• WWDC19
• iOS, iPadOS, macOS

Audio Unit app extensions gives users a convenient way to create or modify audio in any iOS or macOS app that uses sound, including music production apps such as GarageBand or Logic Pro X. And now, with iOS 13, you can store user presets for your extensions that are accessible across applications.

• WWDC19
• iOS, iPadOS, macOS, tvOS, watchOS

AirPlay 2 Video lets you share video from Apple devices to popular smart TVs. Learn about the special considerations for seamless delivery of high quality video to these TVs, and how to utilize the validation tools to ensure your content is ready for primetime.

• WWDC19
• iOS, iPadOS, macOS, tvOS

AirPlay lets you share videos, photos, music, and more from Apple devices to your Apple TV, favorite speakers, and popular smart TVs. Learn how to deliver the best possible experience for AirPlay video, including automatic route selection for long form content, remote control, now playing...

• WWDC19
• watchOS

Streaming audio on Apple Watch allows customers to enjoy your content wherever they go without their iPhone. Learn about the streaming APIs brought over from iOS to allow watchOS apps to create independent audio consumption experiences. Find out how to set up your audio session for streaming and...

• WWDC19
• iOS, iPadOS, watchOS

iOS 13 enhances SiriKit by bringing all new support for audio content playback. See how to provide an excellent, hands-free experience for playing your music, audiobooks, podcasts, radio, and more. Dive into best practices for handling search terms, discover how to provide a complete experience...

• WWDC19
• iOS, iPadOS, macOS, tvOS, watchOS

Since its introduction in 2009, HTTP Live Streaming (HLS) has enabled the delivery of countless live and on‐demand audio and video streams globally. With the introduction of a new Low-Latency mode, latencies of less than two seconds are now achievable over public networks at scale, while still...

• WWDC19
• iOS, iPadOS, macOS, tvOS, watchOS

Apple platforms provide a comprehensive set of audio frameworks and technologies that are essential to creating a rich app experience. Learn about which frameworks and APIs are recommended to ensure that your app is well positioned for the future.

• WWDC19
• iOS, iPadOS

Core Haptics lets you design fully customized haptic patterns with synchronized audio. See examples of how haptics and audio enables you to create a greater sense of immersion in your app or game. Learn how to create, play back, and share content, and where Core Haptics fits in with other audio...

• WWDC19
• iOS, iPadOS

Core Haptics lets you design your own haptics with synchronized audio on iPhone. In this two part session, learn essential sound and haptic design principles and concepts for creating meaningful and delightful experiences that engage a wider range of human senses. Discover how to combine visuals,...

• WWDC19
• iOS, iPadOS, macOS

Metal is the platform-optimized graphics and compute framework at the heart of GPU acceleration on Apple platforms. Learn key aspects of the Metal architecture that support the techniques for modern high-performance pro applications and workflows. Learn how to leverage Metal capabilities to...

• WWDC19
• iOS, iPadOS, macOS, tvOS

AVKit is a high-level framework for building media user interfaces, complete with playback controls, chapter navigation, Picture-in-Picture, audio routing, support for subtitles and closed captioning, Siri and Now Playing integration, and support for keyboard, Touch Bar, and remote control. Learn...

• WWDC17
• iOS, iPadOS, macOS, tvOS

HTTP Live Streaming (HLS) reliably delivers video to audiences around the world. Key to this reliability is a comprehensive set of tools to help you author, deliver, and validate the HLS streams you create. See what's new in these tools, learn the latest authoring recommendations, and how they...

• WWDC17
• tvOS

Consistent and intuitive control of media playback is key to many apps on tvOS, and proper use and configuration of MPNowPlayingInfoCenter and MPRemoteCommandCenter are critical to delivering a great user experience. Dive deeper into these frameworks and learn how to ensure a seamless experience...

• WWDC17
• iOS, iPadOS, macOS, tvOS

HTTP Live Streaming (HLS) reliably delivers media content across a variety of network and bandwidth conditions. However, there are many factors that can impact stream delivery, such as server or encoder failures, caching issues, or network dropouts. Learn the best-practice behaviors that your...

• WWDC17
• iOS, iPadOS

Understand how to enable your audio, messaging, VoIP calling or automaker app for CarPlay. Audio, messaging and VoIP calling apps use a consistent design that's optimized for use in the car. Automaker apps provide vehicle specific controls and displays to keep drivers connected without leaving...

• WWDC17
• iOS, iPadOS, macOS, tvOS

HTTP Live Streaming allows you to stream live and on-demand content to global audiences. Learn about great new features and enhancements to HTTP Live Streaming. Highlights include support for HEVC, playlist metavariables, IMSC1 subtitles, and synchronized playback of multiple streams. Discover...

• WWDC16
• iOS, iPadOS

iOS 10 brings a brand new Speech Recognition API that allows you to perform rapid and contextually informed speech recognition in both file-based and realtime scenarios. In this video, you will learn all about the new API and how to bring advanced speech recognition services into your apps.

• WWDC16
• iOS, iPadOS, macOS, tvOS

HTTP Live Streaming enables the reliable delivery of media content over a wide variety of network conditions. Learn best practices in HLS authoring, see how to verify your streams using the HTTP Live Streaming tools, and apply the results to improve the performance of your streams.

• WWDC15
• macOS

Learn how to use the new AVMutableMovie class to modify media files and simplify your editing workflows. See how to support segment-based editing and discover the power of sample reference movies.

• WWDC14
• iOS, iPadOS, macOS

Discover how to use AV Foundation and Video Toolbox to access hardware accelerated encoding and decoding services. Gain best practices for when it is appropriate to use a high-level or low-level API for encoding or decoding. Learn about multi-pass export for improved H.264 encoding and see how...