Live 2.0 supports high-quality 4K (Ultra High Definition) streaming with resolutions up to 3840x2160 pixels. This document provides comprehensive information about configuring, streaming and optimizing 4K live streams.
4K streaming delivers exceptional video quality with four times the resolution of standard HD (1080p). Live 2.0's 4K support enables broadcasters to deliver premium viewing experiences for high-end content such as sports, concerts, and premium events.
After completing this guide, you should be able to:
Understand 4K streaming requirements
Configure 4K live streams using supported protocols
Optimize 4K streams for different viewing scenarios
Audience
Broadcasters and technical teams who need to deliver high-quality 4K live streaming experiences using Live 2.0.
4K Ingest Profile Availability
Prerequisites
An Enterprise account with Live 2.0 access
4K-capable encoding hardware or software
High-bandwidth internet connection
Supported Input Protocols
Live 2.0 supports 4K streaming through multiple input protocols, each with specific codec support:
4K Input Protocol Support
Protocol
Supported Codecs
Description
RTMP
H.264 only
Real-time streaming protocol. Reliable but limited to H.264 codec input.
SRT
H.264, H.265
Secure Reliable Transport. Supports both H.264 and H.265 codec input. Recommended for 4K.
RTP
H.264 only
Real-time Transport protocol. Fast but limited to H.264 codec input.
Creating a 4K Live Channel
To create a 4K live stream, you'll need to select an appropriate 4K ingest profile during channel creation:
Log in to Studio and open the Live module.
Click Create Channel to create a new live channel.
Enter your Channel Name and configure basic settings.
In the Renditions Profile dropdown, select a 4K profile such as:
Live UHD 2160 - For 4K Ultra HD streaming
Live UHD 2160 HDR - For 4K Ultra HD streaming with HDR
Live UHD 2160 HFR - For 4K Ultra HD streaming with HFR
Complete other channel settings as needed and click Save.
