# Communities & Courses — Go Live Technical Specifications

> TECHNICAL SPECIFICATIONS FOR LIVE VIDEOS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Key Frame Interval: 2 seconds (recommended) Streaming Protocol: WebRTC…

- Source: https://docs.ghlcustomercare.com/docs/memberships-and-communities/communities/communities-courses-go-live-technical-specifications
- Section: Memberships & Communities / Communities
- Reading time: 1 min

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### TECHNICAL SPECIFICATIONS FOR LIVE VIDEOS

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**Key Frame Interval:**2 seconds (recommended)  
**Streaming Protocol:**WebRTC (real-time low-latency)

#### RESOLUTION AND BITRATE RECOMMENDATIONS

**Current Configuration:**720p @ 30 fps (HD)

-   **Resolution:**1280 × 720
    
-   **Video Bitrate:**1,200 Kbps (1.2 Mbps)
    
-   **Frame Rate:**30 frames per second
    
-   **Aspect Ratio:**16:9
    
-   **Simulcast:**Enabled (automatically generates multi-quality streams)
    

| Quality | Resolution | Bitrate | Frame Rate |
| --- | --- | --- | --- |
| **High** | 1280 × 720 | 1,200 Kbps | 30 FPS |
| **Medium** | ~640 × 360 | ~500 Kbps | 30 FPS |
| **Low** | ~320 × 180 | ~150 Kbps | 30 FPS |

## VIDEO SPECIFICATIONS

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-   **Protocol:**WebRTC Streaming
    
-   **Supported Codecs:**H.264 (default), VP8, VP9, AV1
    
-   **Video Length:**No duration limit (configurable per session)
    
-   **Frame Type:**Progressive Scan
    
-   **Bitrate Encoding:**Variable Bitrate (VBR) with Simulcast
    
-   **Pixel Aspect Ratio:**16:9 (default)
    
    -   Supports 4:3 and 9:16 (vertical) formats
        
-   **Video Orientation:**Auto-adaptive to device rotation
    

## AUDIO SPECIFICATIONS

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-   **Sample Rate:**48 kHz (48,000 Hz)
    
-   **Channel Layout:**Mono (1 channel) — optimized for speech clarity
    
-   **Audio Codec:**Opus
    
-   **Audio Bitrate:**96 Kbps
    

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## ADDITIONAL FEATURES

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-   **Simulcast:**Enabled — adaptive quality across bandwidths
-   **Dynacast:**Enabled — dynamically adjusts bitrate per participant
-   **DTX (Discontinuous Transmission):**Enabled — conserves bandwidth during silence
-   **RED (Redundant Encoding):**Enabled — improves recovery from packet loss
-   **Echo Cancellation:**Enabled — reduces feedback and echo
-   **Noise Suppression:**Enabled — minimizes background noise
-   **Auto Gain Control:**Enabled — normalizes audio levels automatically

## Summary

| Parameter | Value |
| --- | --- |
| **Resolution** | 1280×720 (HD) |
| **Frame Rate** | 30 FPS |
| **Bitrate** | 1.2 Mbps (1,200,000 bps) |
| **Audio Channel** | Mono |
| **Aspect Ratio** | 16:9 |
| **Video Length** | No Limit |

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Documentation for GHL Customer Care. Support: support@ghlcustomercare.com