Audio Stream
3 min
This page / section pertains to BrightAuthor Classic, our legacy app. BrightSign Author is our latest app for managing content and players.
Development of BrightAuthor Classic has largely ceased and the app will eventually be deprecated and replaced with BrightSign Author.
As of BrightAuthor Classic version 3.7.0.12, you can stream unicast and multicast audio from a remote source to BrightSign players using the Audio Stream state.
- State Name: Specify a unique name for the stream state.
- URL for video stream: Enter a valid URL for the stream. The URL can also include a number of optional parameters:
- Specify a User VariableUser Variable to replace all or part of the URL. To include the Value of the variable in the URL, enter the variable Name between two sets of dollar signs (e.g. "http://www.example.com/streams/$$my\_URLvar$$").
- Append the "?latency=[value_in_ms]" parameter to modify the default latency (see this How-to... for more details).
- Append the "?buffersize=[size_in_bytes]" parameter to modify the default streaming buffer size (see this How-to... for more details).
Supported Audio Streaming Protocols
Supported formats, codecs, and bitrates are:
- Streaming Protocols: UDP, RTP, RTSP, HTTP
- Encapsulation: MPEG2 TS (transport stream)
- Codecs: MPEG2 Layer 1/2, MPEG2 Layer 3 (mp3), AAC, WAV
- Bitrates: Any supported by the codec
- Sample Rates: 32kHz, 44.1kHz, 48kHz
- Channels: Mono, stereo
- Other Technologies: Source-Specific Multicast (IGMPv3) streaming (requires BOS 6.2.147 or later)
If you are running into audio quality issues as a result of poor network performance, you can try increasing the size of the streaming buffer on the player.