Multi-Language Audio

Prerequisites:

• Define the PID (Packet Identifier) for each audio track in your encoder.
• At this moment, only the RTP input format is supported. For this section to be enabled in the Create Live Event page, go to the ADVANCED OPTIONS section and select Real-Time Transport Protocol (RTP) under the Input Format selector.
• In the CIDR Whitelist section, enter the IP: 0.0.0.0/0 to connect to the RTP endpoint. The Multi-Language button will be disabled if the Input Format is not set to RTP.

Adding Audio Tracks to a Live Event

When creating a new Live event:

1. Open the Audio Tracks section.
2. Click the Add Audio Tracks button.

   

3. Fill in the fields to add a new Audio track. Fields with an asterisk (*) are required.

   

   • Default: Select which audio track is the default.
   • Language*: Type the language code of the new audio track. Example: en, es, cy-GB, etc.
   • PID*: Enter the PID code previously defined in your Encoder to sync the audio tracks in your incoming stream to the correct language and variant. Note: Unique PID's are required for each audio track.
   • Variant: Represents the variant of the audio track. These can be: main, commentary, alternate, caption, subtitle, supplementary, dub.
   • Label: Type a name for the track. Example: English, Spanish etc. Note that ff the label field is left empty, the language code will be used as a label.
4. By clicking on the + and - buttons, you can add or remove audio tracks.

Changing the Audio Track

1. If the multi-audio tracks were set up correctly, the player will have a headphone icon that can be used to switch between tracks.