Communities and Courses Go Live technical specifications
JourneyCARE live video uses WebRTC with a recommended 2-second key frame interval, a current configuration of 720p at 30 FPS, and adaptive audio and video features for real-time delivery.
Live video specifications
The current live video configuration uses HD 720p video at 30 frames per second with a 1,200 Kbps video bitrate.
Parameter | Specification |
|---|---|
Key frame interval | 2 seconds (recommended) |
Streaming protocol | WebRTC (real-time, low-latency) |
Current configuration | 720p at 30 FPS (HD) |
Resolution | 1280 × 720 |
Video bitrate | 1,200 Kbps (1.2 Mbps) |
Frame rate | 30 frames per second |
Aspect ratio | 16:9 |
Frame type | Progressive scan |
Bitrate encoding | Variable bitrate (VBR) with simulcast |
Video length | No duration limit; configurable per session |
Video orientation | Auto-adaptive to device rotation |
Resolution and bitrate recommendations
Simulcast automatically generates multiple quality streams so live video can adapt across bandwidths.
Quality | Resolution | Bitrate | Frame rate |
|---|---|---|---|
High | 1280 × 720 | 1,200 Kbps | 30 FPS |
Medium | Approximately 640 × 360 | Approximately 500 Kbps | 30 FPS |
Low | Approximately 320 × 180 | Approximately 150 Kbps | 30 FPS |
Supported video codecs and formats
JourneyCARE supports H.264, VP8, VP9, and AV1 video codecs, with H.264 as the default.
Default codec: H.264
Additional codecs: VP8, VP9, and AV1
Default pixel aspect ratio: 16:9
Additional aspect ratios: 4:3 and 9:16 (vertical)
Orientation: Auto-adaptive to device rotation
Scan format: Progressive scan
Audio specifications
Live audio uses the Opus codec at a 48 kHz sample rate, mono channel layout, and 96 Kbps bitrate.
Parameter | Specification |
|---|---|
Sample rate | 48 kHz (48,000 Hz) |
Channel layout | Mono (1 channel), optimized for speech clarity |
Audio codec | Opus |
Audio bitrate | 96 Kbps |
Streaming and audio features
JourneyCARE enables the following features for live video and audio delivery.
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.
Specification summary
Use this summary when you need the primary live video and audio values at a glance.
Parameter | Value |
|---|---|
Resolution | 1280 × 720 (HD) |
Frame rate | 30 FPS |
Video bitrate | 1.2 Mbps (1,200,000 bps) |
Audio channel | Mono |
Aspect ratio | 16:9 |
Video length | No limit |