Imagine you're building a web app that provides one of these experiences: Custom echo cancellation or voice processing. Note taking from a meeting or lecture playing in another tab or application. Livestream production or music creation tools, which process audio from different sources. To build these, your app needs access to the audio that's playing on the user's device. This could be the audio that's coming from a browser tab, another application, or somewhere else on the device. Let's call this device audio. On the Edge team, we're proposing a new API for capturing device audio without also capturing pixels...