So, which technologies can minimize livestream latency to near real-time, delivering a smooth experience comparable to live TV? EVG will guide you through the latest innovations and effective implementation strategies in this article.

What is Livestream Latency and Why Optimize It?

Livestream latency is the time delay from when the content is recorded (on camera) to when it appears on the viewer’s device.

Common latency levels:

• Standard Latency: 15–30 seconds

• Low Latency: 5–10 seconds

• Ultra-Low Latency: Less than 1 second, almost real-time

Why is reducing latency important?

• Boost interactivity: Viewers can react or ask questions almost instantly.

• Enhance livestream sales efficiency: Quick order closing and real-time customer response.

• Prevent audience loss: Viewers tend to leave if the video is too delayed.

• Synchronize data during live events: Ensures accuracy for game shows, sports, or live training.

Main Causes of Livestream Latency

Key factors contributing to latency include:

• Video encoding and compression at the source.

• Data transmission over the internet, especially without CDN support.

• Buffering on the viewer’s player.

• Streaming technology used: Traditional HLS has higher latency than newer protocols like LL-HLS or WebRTC.

New Technologies to Reduce Livestream Latency

Here are leading technologies widely adopted to minimize latency in live streaming:

1. LL-HLS (Low Latency HLS) – Apple’s New Standard

LL-HLS is an improved version of traditional HLS that reduces latency from 15–30 seconds down to 2–5 seconds.

Advantages:

• Optimized for Apple ecosystems.

• Compatible with popular browsers and devices.

• Balances latency and video quality.

Limitations:

• Requires LL-HLS-supported servers like EVG Streaming Server.

• Player-side optimization is necessary.

2. WebRTC – Ultra-Low Latency Real-Time Streaming

WebRTC (Web Real-Time Communication) is a peer-to-peer protocol that delivers latency under 500 milliseconds.

Advantages:

• Near real-time latency.

• Supported by modern browsers.

• Ideal for interactive livestreams such as 1-on-1 consultations and live training.

Limitations:

• Scaling to thousands of viewers is challenging.

• Requires optimization of bandwidth and CPU resources.

3. SRT (Secure Reliable Transport) – Secure and Stable Protocol

SRT is an open-source protocol designed to transmit high-resolution video over unstable networks while maintaining about 2-second latency.

Advantages:

• High video quality and strong security.

• Reduces packet loss and frame drops.

• Suitable for broadcasters and entertainment companies requiring premium content.

Limitations:

• Needs encoder and server support.

• More complex configuration than RTMP.

4. RTMP Combined with Ultra-Low Latency CDN

RTMP (Real-Time Messaging Protocol) remains popular for sending video from encoder to server. When paired with specialized streaming CDNs like EVG CDN, latency can drop below 3 seconds thanks to:

• CDN nodes distributed near viewers.

• Optimized buffering.

• Specialized transmission protocols.

EVG’s Solutions to Reduce Livestream Latency for Businesses

EVG offers a comprehensive livestream ecosystem including:

• EVG Streaming Server: Supports LL-HLS, WebRTC, RTMP, and SRT; easily integrates with OBS, Wirecast, vMix; real-time dashboard for traffic, interaction, and analytics.

• EVG CDN optimized for livestream: Nodes in Hanoi, Ho Chi Minh City, Da Nang for ultra-low latency; optimized video delivery; built-in DDoS protection, SSL, geo-blocking.

• EVG S3 Storage: Stores livestream videos for on-demand viewing; seamless integration with streaming and CDN.

Technical Strategies to Ensure Smooth, Low-Latency Livestreams

Businesses can apply the following best practices:

• Optimize video encoding using H.264 or H.265 at appropriate bitrates.

• Use dedicated encoders rather than just phones or webcams.

• Integrate CDN for geographically distributed content delivery.

• Configure low buffer settings on player to minimize delay.

• Test upload speeds beforehand to avoid network bottlenecks.

Which Businesses Should Prioritize Reducing Livestream Latency?

The following groups especially benefit from low latency:

• Livestream sellers requiring real-time viewer interaction.

• Online education and consultation platforms for instant Q&A.

• Live media and sports broadcasters to avoid spoilers and ensure TV-like experience.

• Game streaming and live giveaway events.

Conclusion: Reducing Livestream Latency is Now More Accessible Than Ever

Thanks to innovations like LL-HLS, WebRTC, SRT, and dedicated streaming CDN solutions, minimizing livestream latency is achievable for businesses of all sizes. Choosing the right platform is key to delivering fast, secure, and stable livestreams.

EVG proudly leads Vietnam’s market with high-speed, secure, and optimized livestream infrastructure. Contact EVG today for free consultation and deployment within 24 hours!