Audio & Video

• WWDC21
• iOS

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

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, 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, 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, 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, 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
• 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, 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, 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
• iOS, 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, 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, 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
• 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...

• WWDC21
• iOS, 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, 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, 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
• 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, 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, 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, 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
• iOS, 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, 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
• iOS, 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, 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, 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, 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, macOS

Discover how you can cross-reference Apple Music content within your app using the Apple Music API. We'll show you how to reference content across different geographical regions, map explicit to clean-equivalent content, fetch catalog and library relationships, and how to match content using the...

• WWDC 2020
• 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,...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS

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...

• WWDC 2020
• iOS

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...

• WWDC 2020
• 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...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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.

• WWDC 2020
• iOS, 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...

• WWDC 2020
• 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...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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.

• WWDC 2020
• 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...

• WWDC 2020
• iOS, 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,...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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,...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• 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...

• WWDC 2020
• iOS, 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...

• WWDC 2020
• iOS, 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.

• WWDC 2020
• 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,...

• WWDC 2020
• iOS, 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...

• Tech Talks
• macOS

Discover the advances in Metal performance and capability delivered with the Apple M1 chip on Apple silicon Macs. Apple M1 unites the top-end graphics and compute abilities of discrete GPUs with the features and power efficiency of Apple silicon, creating entirely new opportunities for developers...

• 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 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

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

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, 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
• iOS, 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

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
• 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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,...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2018
• iOS

Speech can enhance the audio experience of your app, whether you are generating spoken feedback for accessibility, or providing critical information beyond simple alerts or notifications. AVSpeechSynthesizer produces synthesized speech from text and allows you to control and monitor the progress...

• WWDC 2018
• iOS, macOS, watchOS

Podcasts are created and enjoyed by millions of people around the world. With the addition of Podcast Analytics, podcasters can gather actionable and insightful intelligence into how their show is consumed, while respecting the privacy of their listeners. Learn how to interpret and use these new...

• WWDC 2018
• iOS, macOS, tvOS

HTTP Live Streaming (HLS) is used to stream live and on-demand content to global audiences. Discover how to adjust and tune stream authoring and delivery elements to improve the viewing experience. Learn how to accurately measure your streaming performance, identify optimization opportunities,...

• WWDC 2018
• watchOS

watchOS 5 makes creating great experiences on Apple Watch easier than ever before. Learn about robust capabilities to create rich and interactive notifications, a new background mode and controls for audio playback, shortcuts that bring your apps to the Siri watch face, and more. See what's new...

• WWDC 2018
• iOS, tvOS

ReplayKit 2 provides built-in services for broadcasting your screen from iOS and tvOS to viewers online. See how broadcasts can be started right within Control Center or from standard UI included in your own apps and games. Hear about developing broadcast extensions for ReplayKit 2 and get best...

• WWDC 2018
• iOS, tvOS

AVContentKeySession allows for the management of FairPlay content decryption keys for HTTP Live Streaming. It offers a simplified key loading process that provides applications with control over the lifecycle of content keys, and features such as dual-expiry keys for offline movie rentals. Learn...

• WWDC 2018
• iOS

The TrueDepth camera in the iPhone X streams high-quality depth data in real time allowing you to enhance your photo and video apps in fun and creative ways. Dive deep into the principles and best practices for working with depth data, learn how to use the new Portrait Segmentation API for still...

• WWDC 2018
• iOS, macOS

Vision is a high-level framework that provides an easy to use API for handling many computer vision tasks. We'll dive deep into a particularly powerful feature of Vision—tracking objects in video streams. Learn best practices for using Vision in your app. Gain a greater understanding of how...

• WWDC 2018
• watchOS

Apps in watchOS 5 have control over audio playback like never before. With a full-fledged background mode for local audio playback using AVFoundation, people can listen to content on the go right from Apple Watch. Learn how to use the new volume control and how to respond to MediaRemote...

• WWDC 2018
• iOS, macOS

MusicKit has enabled the creation of new, compelling, and engaging Apple Music powered app experiences. With the introduction of MusicKit on the web, as a developer, you can now bring Apple Music powered experiences to the web. Learn how to use declarative markup or javascript to enable Apple...

• WWDC 2017
• iOS, 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...

• WWDC 2017
• 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...

• WWDC 2017
• iOS

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...

• WWDC 2017
• iOS, 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...

• WWDC 2017
• iOS, 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...

• WWDC 2017
• iOS, macOS, tvOS

High Efficiency Image File Format (HEIF) and High Efficiency Video Coding (HEVC) are powerful new standards-based technologies for storing and delivering images and audiovisual media. Get introduced to these next generation space-saving codecs and their associated container formats. Learn how to...

• WWDC 2017
• iOS, macOS, tvOS, watchOS

Apple platforms provide a comprehensive set of audio frameworks that are essential to creating powerful audio solutions and rich app experiences. Come learn about enhancements to AVAudioEngine, support for high-order ambisonics, and new capabilities for background audio recording on watchOS. See...

• WWDC 2017
• iOS, macOS, tvOS, watchOS

As a game developer, you may know your game like the back of your hand, but could you play it with your eyes closed? Apple devices come standard with award-winning accessibility features that let people with disabilities experience everything Mac, iPhone, iPad, Apple Watch, and Apple TV have to...

• WWDC 2017
• iOS

Get introduced to the new API for the Apple Music subscription service. Learn how to add Apple Music playback in your own app, and discover how to search the catalogue, manage playback queues, and engage with playlists and recommendations.

• WWDC 2017
• tvOS

tvOS allows you to deliver incredible apps and games for the big screen with the tvOS SDK. Gain insights into new tvOS 11 capabilities and enhancements such as Right-to-Left support, image overlays, background app updates, and user interface style improvements. And with the new AVKit capabilities...

• WWDC 2017
• iOS, macOS, tvOS

AirPlay allows you to wirelessly stream content from your iOS device or Mac. Now with AirPlay 2, you can fill the home with multi-room audio. Learn how AirPlay 2 synchronizes playback and provides an even more reliable audio experience, and how to incorporate support for AirPlay 2 into your app.

• WWDC 2017
• iOS, macOS, tvOS

High Efficiency Image File Format (HEIF) and High Efficiency Video Coding (HEVC) are powerful new standards-based technologies for storing and delivering images and video. Gain insights about how to take advantage of these next generation formats and dive deeper into the APIs that allow you to...

• WWDC 2017
• iOS, macOS, tvOS

Podcasts reach millions of listeners around the world every year. iOS 11 upgrades the Apple Podcasts app to support new feed structures for serialized shows. Discover how to publish your own podcast and take advantage of all the features and capabilities in this comprehensive podcasting session.

• WWDC 2017
• iOS, tvOS

Check out the new capabilities of ReplayKit 2 and see how to access its rich functionality right from Control Center. Learn about in-app capture, giving apps direct sample-level access to their audio and screen output. Get details about developing a live broadcast extension, and discover how apps...

• WWDC 2016
• iOS

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.

• WWDC 2016
• iOS, 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.

• WWDC 2015
• iOS, macOS

FairPlay streaming provides industrial-grade protection for audio and video content. Learn how to implement and deploy FairPlay streaming to protect content when using HTTP Live Streaming.

• WWDC 2015
• iOS, macOS

See what's new in Core Audio. Learn about enhancements to AVAudioEngine such as Compressed audio format support, more flexible node connections and new Sequencer functionality. Learn how to take advantage of digital audio between your OS X and iOS devices via Lightning. Learn best practices and...

• WWDC 2015
• 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.

• WWDC 2015
• iOS, macOS

Learn about using Audio Unit Extensions to provide your App with sophisticated audio manipulation and processing capabilities. Explore the architecture and fundamentals of an App that uses Audio Unit Extensions, and how your app can benefit from their power.

• WWDC 2014
• iOS, 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...