Phoenix Mercury

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A low cost full duplex, stereo, bidirectional IP audio codec allowing for connections in Stereo or Mono. Two units can be allocated in a 1RU 19″ shelf. Phoenix Mercury supports SIP signalling and the most common encoding algorithms, including the proprietary AEQ LD and optional AAC encoding modes. The Mercury is delivered already registered to freely use the AEQ SIP Server, simplifying the establishment of connections (if required). As with all the Phoenix codec range, the Mercury is compatible with most audio codecs on the market. The unit has balanced analogue inputs and outputs on XLR connectors. Optionally, the unit can be equipped with AES/EBU Digital I/O’s.

Encoding Algorithms:

  • G711
  • G722
  • AEQ-LD
  • MPEG1 y 2-LII
  • AAC-LC
  • AAC-LD
  • PCM


  • STL Link (Studio-Transmitter Link): Through IP connections on private VLAN, IP Radio-links, WiMAx, WiFi, ADSL, Cable MODEM, etc., can be used to send the program signal from the production centre to the radio transmission sites.
  • Radio station networks: The unit can be used to interconnect the audio of the different radio stations in the network through IP. Since the unit is bidirectional the audio can be distributed to the different radio stations in the network and at the same time audio contribution can be established in the opposite direction.
  • Outside broadcasts and contributions: The unit is able to establish connections with other codecs and smartphone codecs, Phoenix (Studio, Mobile, Mercury, PC, Pocket o Lite) or from other manufacturers that are N/ACIP compliant.
  • Digital Hybrid for IP telephony: Can communicate through SIP with an IP switchboard (Asterisk or similar) that accepts calls in G711 and HD voice calls in G722 from IP telephony smartphone codecs, IP trunking and through gateways, calls from ISDN and POTS (PSTN). This type of communications is converted into 4W audio and made readily available for On-Air broadcasting.


The control application allows the user to discover all the available Phoenix Mercury, Phoenix Venus and Phoenix Studio units within a local area network and to control them co-ordinately using a PC or a group of workstations. Further, remote units outside the LAN can be controlled, enabling integral management of an IP communications network. Each codec will show as a separate window for operation that will enable us to operate as if we were in front of the equipment’s front panel, establishing, answering and cancelling calls. This window also gives access to a configuration panel where we can choose the encoding algorithms, connection modes, etc. All the operation and configuration options are available in an intuitive and handy way. Also, there is a status window that is displaying the codec(s) status at all times. We can verify the status of all codecs in our system at a glance. The application also provides a convenient way of managing the Codec’s internal phone book or a common system connections database that can be transferred to each codec in the network.


Audio Codecs
Application IP