This Sony Websockets service provides device notification functions for the Audio Control API. To enable the connected audio product to send notifications, you can send a switchNotifications message to the audio product. The Audio Control API allows you to extend or develop applications and services, to control supported Sony audio products from another device. An application using the API could remotely control the power, volume, input source, equalizer, and music playing on a supported device. The Sony Corporation, a global innovator of audio, video, game, communications, key device and information technology products for both the consumer and professional markets.