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Yes, Dacast fully supports multi-bitrate streaming on live videos and video-on-demand content.

The Dacast player detects automatically the different bitrates of your live stream and allows the viewer to choose between them.

This must be set up in your encoder directly.

Also, in order to support multi-bitrates streaming, you need an internet connection that has an upload speed that is fast enough to support the multi-bitrate function.

For example, 200 kbps + 600 kbps would be the same as broadcasting at 800kbps. You would likely need an upload speed of over 1MB a second.

Required Encoder Settings

Please remember that there are a few live encoder settings that are required for live streaming with Dacast, regardless of your selected resolution and bitrate:

VIDEO CODEC	H.264 (x264 may work)
FRAME RATE	25 or 30
KEYFRAME INTERVAL	2 secs (or 2x frame rate)
SCANNING	Progressive
ENCODING BITRATE	Constant (CBR)
AUDIO CODEC	AAC
AUDIO BITRATE	128 kbps
AUDIO CHANNELS	2 (Stereo)
AUDIO SAMPLE RATE	48 kHz (48,000 Hz)

Please review set up instructions for your specific encoder to learn how to setup multi-bitrate streaming.

Additional Resources

• Wirecast Multi-bitrates Documentation
• Video Streaming Software and Multi-Bitrate Streaming: Getting Started
• How to Use Multi-Bitrate Streaming for On-Demand Video
• Encoder Setup: A Walkthrough