Salesforce is using the Amazon Chime SDK to enable video communications its new Salesforce Anywhere application. Slack is integrating the Amazon Chime SDK to provide audio, video and screen sharing in Slack Calling. Two of Chime's top SDK customers are Salesforce and Slack. Amazon introduced the Chime SDK in late 2019, which enables developers to build video, audio and screen sharing capabilities into applications using the Chime communications infrastructure. Amazon Chime SDKĪmazon launched Chime in 2017 as a unified communications (UC) service focused on video conferencing and communications. ![]() But the most recent entrants to CPaaS market share, Amazon and Microsoft, are shaking things up as they are leading cloud computing vendors. Others, including Agora, Dolby.io and Daily, entered the market with a focus on IP-based communications based on Web Real-Time Communications ( WebRTC). ScreenĬapture for content sharing is supported up to 15 frames per second, but may be limited by the capabilities of the deviceĪnd browser.In the last several years, the market has seen new entrants, including Sinch, Bandwidth and Vonage - through its acquisitions of Nexmo and TokBox. Supports pre-recorded content video up to 1280x720 at 15 frames per second, and audio up to 48kHz at 64kbps. The client application can share audio and video content, such as screen captures or media files. You can use messages to implement custom meeting features such as whiteboarding, chat, real-time emoji reactions,Īnd application-specific floor control signaling. In addition to audio and video content, meeting attendees can send each other real-time data messages of up to 2 KBĮach. Uses hardware acceleration where available to improve performance. Clients with bandwidth constraints automatically subscribe to the lower bitrate stream. When active, video simulcast sends each video stream in two different resolutions and bitrates. Windows support video resolutions up to 1280x720 and 15 frames per second, however the actual framerate and resolution is automatically managed by the Amazon Chime SDK. The Amazon Chime SDK client libraries for The Amazon Chime SDK client library for JavaScript supports video resolutions up to 1280x720 at 30 frames per second without simulcast, and 15 frames per second with simulcast. Publish one video source, up to a total of 25 simultaneous videos per The media service acts as a Selective Forwarding Unit (SFU) using a publish and subscribe model. We use the Opus codec to encode audio, with a default bitrate of 32kbps, which can be increased to up to 128kbps stereo and 64kbps mono. The Amazon Chime SDKs sample audio at the highest rate supported by the device andīrowser, up to a maximum of 48kHz. ![]() The media service mixes audio together from each attendee and sends the mix to each recipient, after subtracting their own audio from the mix. Securely signal the media service group, and to send and receive media to and from other attendees through the media Clients use a combination of secure WebSockets and Datagram Transport Layer Security (DTLS) to Each client uses a join token to authenticate with the ![]() Join the meeting on behalf of an attendee. Each created attendee is assigned a unique join token,Īn opaque secret key that your server application must securely transfer to the client authorized to Real-time media between attendee clients. The hosts in the service are responsible for securely transferring When the server application creates an Amazon Chime SDK meeting, the meeting is assigned
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