To enable multilanguage live-streams you will need to use an encoder which supports outputting multiple audio tracks. In addition, you should use an SRT ingest option Secure Reliable Transport.

Video 1

Codec H.264
Resolution 1280x720 or higher
Frame rate 25, 30, 50 or 60 (Progressive Scan)
Bitrate 3 - 10 Mbit/s or higher, VBV or CBR
Keyframes every 2 seconds (i.e. double the frame rate)

Audio (1-N)

The SRT stream contains 1 video channel and n audio channels. Depending on your encoder, up to 16 audio channels can be transmitted.

Codec AAC, HE-AAC
Sample rate 44.1 or 48 kHz
Bit rate 128k and higher

Compatible hardware encoders

Manufacturer Protocol
Matrox Monarch Edge SRT
Haivision SRT

Compatible software encoders

Software Protocol
FFMPEG SRT

Transcoding & delivery

The incoming live signal will be converted by our transcoding engine and is available in the following formats:

  • HTTP Live-streaming (HLS) v4+ with Alternative Audio
  • MPEG-DASH with Alternative Audio

Both formats are compatible with our video player. It is also possible to play these streams with a 3rd party player, if desired.