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Audio stream generated from another console

The AoIP module can be configured to receive RTP streaming generated from another Solidyne console with streaming support (e.g.: D612, 2600 series, Unidex series, ADA102 coder/link).
The encoding device must have the same firmware (STL). From factory, the console comes in CODER (Studio Encoder) mode. To receive, it must be configured as DECODER.

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Reception configuration (Decoder)

  1. Access the IP module from a web browser (see IP Module Access.
  2. In the top menu, click Location.
  3. Change the mode to → Transmitter Decoder.
    • Factory default: Studio Encoder, generates unidirectional streaming.
    • As Decoder, default values are adopted (only modify IP and ports).
  4. Go to Configuration → Streaming.
  5. In Port, enter the port used in the encoder (the transmitting device).
  6. In URL, leave 0.0.0.0.
  7. Press Apply to confirm.

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Buffer adjustment (RTP delay)

The input buffer (expressed in milliseconds) prevents audio interruptions when bandwidth is insufficient:
Audio FormatRecommended Buffer
PCM40-80 ms
Compressed (e.g. MP3)>80 ms (depends on codec and decoding)
Higher buffer → fewer cuts, but greater audio delay.
The optimal value depends on bandwidth and format used.
The audio format is always defined by the transmitting device.

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Decoded audio connection

  • Audio received via Ethernet is sent to balanced inputs through external cable (RJ45 to RJ45, provided).
  • Connection: AoIP Output Option → BAL-1 or BAL-2.
  • In DX822 with two AoIP modules: derived output to both inputs (BAL-1 and BAL-2) using special “Y” cable (supplied).

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Reception using a computer

It’s possible to receive transmission from a DX/AoIP on a computer with RTP-compatible software.
Recommended: VLC Player (free – videolan.org/vlc). Format configuration in VLC:
  • PCM16 @ 44.1 kHz, or
  • MP3 in any of its modes.
Other formats may require a SDP payload file. VLC procedure:
  • Menu: Media → Open Network Location.
  • In URL field enter: [protocol]://[source_IP]:[port]
816 Vlc Decoding Jp For example: RTP://0.0.0.0:3030
  • RTP → protocol.
  • 0.0.0.0 → any incoming IP.
  • 3030 → used port.
Some VLC versions accept: RTP://@:3030