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Redundix STLExtremely Reliable

Redundix ReliaTIME on FM Radio Studio-Transmitter-Link with Confidence Checking. After some tests with HTTP and RTP streams, with frequent disconnections and dropped packets, due largely to last mile link over HiperLAN, he was looking for a definitive solution.

The Redundix time-diverse routing (ReliaTIME), where the same audio stream is sent twice over the same line and also time delayed, and at receiving point all streams are buffered and combined into one final stream, copes with problems of the network infrastructure, including glitches, packets lost, unreliable connections or even short failure (see table below).
The installation “on-the-chain”, using LAN and WAN ports of Redundix devices, don’t need further ports on the network switches.
Streaming Client firmware at transmitter side, configured with two URL and playlist in fail-over scenario, guarantees against on-air silence.

Solution: Redundix, Exstreamer 500 (Instreamer and Streaming Client firmware) Instreamer (Instreamer Standard firmware)

Barix proposed Redundix technology to improve the quality of the received RTP stream using ReliaTIME configuration (no backup Internet link available). An Instreamer connected to an FM Tuner provides Confidence Checking over Internet, using a standard player (e.g VLC) on PC/smartphone to check the quality of on-air audio.

Structure of the Setup

Why Barix

Reliable and Solid

We create products that last. Buy it once and it runs. Certified and tested in real-life to run 10+ years. 

Specialized Support

The Barix support team contains of audio experts. We help you individually for each specific architecture. 

Up to date

Check the downloads for the latest firmware updates. Barix products are compatible with your system. 


Barix Products can be customized to special requirements. Either by yourself or from our professional audio development team.

More information on the products

Feel free to write us a message with your requirements. Our Pre-Sales teams can help you find a simple and cost-effective solution.




  • Automatic healing of RTP streams
  • Reduces audio glitches due to network issues
  • Features time and/or path redundancy
  • Multiple interfaces for connection to multiple IP interfaces Encoder/Decoder independent: Can be used with existing infrastructure Web interface for configuration
  • Up to 10,000 miliseconds of time diversity
  • Strong password protection


Technical details

Exstreamer 500

  • MP3, G.711, PCM Encoding
  • MP3, G.711, PCM, AACplus*, Ogg Vorbis* Decoding
  • Shoutcast/Icecast Source capability
  • Audio Level Supervision with SNMP Trap generation
  • IP Streaming via TCP, UDP, RTP, Multicast
  • Balanced Line Level Input (Stereo)
  • Balanced Line Level Output (Stereo)
  • Relay Output (4)
  • Contact Closure Input (4)
  • RS-232 / RS-485 Serial Port
  • USB Flash Memory Interface
  • Supply Voltage 24...48 VDC


Technical Details


  • G.711, G.722, PCM linear Encoding
  • MP3 Encoding (low Latency)
  • Shoutcast/Icecast Source capability
  • Audio Level Supervision with SNMP Trap generation
  • IP Streaming via TCP, UDP, RTP, Multicast
  • Line Level Input (Stereo)
  • RS-232 Serial Port
  • Power Supply (micro USB)


Technical Details

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