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Configuring Live Profiles

A Live Profile is a set of audio and video settings configured to fit within specific broadcasting requirements. Live Profiles can be configured from either the Web Interface or on the Unit Front Panel.

The unit is delivered with three (3) default Live Profiles:

  • DEFAULT
  • LOW DELAY
  • HQUALITY 10s

Recommendations when configuring a Live Profile:

End-to-End Latency
(by Application type)

Broadcast over SST

For CBR, enter a value within 500ms - 10s range.
For VBR, enter a value within 800ms - 10s range.

Broadcast over SRT
Video Return
Broadcast (low latency mode)

For CBR, enter a value within 80ms - 10s range.
VBR mode is not available.

Bitrate Control Mode

CBR mode for streaming over managed networks.
VBR mode for streaming over unmanaged networks.

Resolution

As source for encoding in the same resolution as source.
Dynamic when the resolution is adapted to available bitrate.

Live Bitrate
(static resolution as source)
Video ResolutionBitrate Range
H.265/HEVCH.264/AVC
2160p 50/59.94/603 Mbps - 80 Mbps-
2160p 23.98/24/25/29.97/302 Mbps - 80 Mbps-
1080p 50/59.94/60800 kbps - 20 Mbps3 Mbps - 20 Mbps
1080p 23.98/24/25/29.97/30800 kbps - 20 Mbps1.8 Mbps- 20 Mbps
1080i 50/59.94/60500 kbps - 20 Mbps1.8 Mbps - 20 Mbps
720p 50/59.94/60500 kbps - 20 Mbps1.4 Mbps - 20 Mbps
Live Bitrate
(dynamic resolution)
2160p 50/59.94/60200 kbps - 80 Mbps-
2160p 23.98/24/25/29.97/30200 kbps - 80 Mbps-
1080p 50/59.94/60200 kbps - 20 Mbps300 kbps - 20 Mbps
1080p 23.98/24/25/29.97/30
1080i 50/59.94/60
720p 50/59.94/60
Manual Resolution1080p 50/59.94/600.8 Mbps - 20 Mbps3 Mbps - 20 Mbps
1080p 23.98/24/25/29.97/300.8 Mbps - 20 Mbps1.8 Mbps - 20 Mbps
1080i 50/59.94/600.8 Mbps - 20 Mbps1.8 Mbps - 20 Mbps
720p 23.98/24/50/59.94/600.5 Mbps - 20 Mbps1.4 Mbps - 20 Mbps
854 x 480p 23.98/240.2 Mbps - 20 Mbps0.5 Mbps - 20 Mbps
640 x 360p 23.98/240.2 Mbps - 20 Mbps0.4 Mbps - 20 Mbps
Audio SettingsChannel LayoutBitrate Range

1 x MONO64 kbps - 256 kbps

1 x STEREO64 kbps - 256 kbps

2 x MONO128 kbps - 512 kbps

2 x STEREO128 kbps - 512 kbps

4 x MONO256 kbps - 1024 kbps

4 x STEREO256 kbps - 1024 kbps

8 x MONO
(single encoding only)
256 kbps - 1024 kbps

The following Transport Stream settings are available if the Application type is set to Broadcast SRT:

Bitrate ControlVBR
CBR
TS ID1 - 1023
Program Number1 - 1023
PMT PID32 - 8183
PCR PID32 - 8183
Video PID32 - 8183
Audop PID32 - 8183

Note

When starting a live in multi-encoding mode, the minimum bitrate is 4Mbps over cellular network.

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