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DEVA DB94-SFN MPX over IP Decoder with MicroMPX and SFN Support

DEVA DB94-SFN is a compact MPX-over-IP decoder with MicroMPX support, GPS-timed SFN synchronisation and analogue and digital MPX outputs for professional FM broadcasting.

DEVA DB94-SFN MPX over IP Decoder receives an FM composite signal over an IP network and reconstructs it for delivery to compatible transmission equipment. It combines MicroMPX decoding with Single Frequency Network support, providing a compact receiver-side solution for transporting processed FM programme audio, stereo information and RDS data from the studio to the transmitter site.

Bandwidth-Efficient MicroMPX Decoding

The DEVA DB94-SFN decoder uses Thimeo’s MicroMPX technology, developed specifically for FM composite transport. Published network bandwidth starts from 320 kbps, reducing the IP capacity needed compared with uncompressed composite transport. Preserving the stereo signal and RDS data within the transported MPX stream helps maintain the relationship between programme audio and broadcast metadata throughout the contribution link.

GPS-Timed SFN Synchronisation

DEVA DB94-SFN adds GPS-referenced timing for Single Frequency Network applications. Precise time alignment is important when geographically separated transmitters operate as part of a coordinated FM network. The decoder’s SFN capability forms part of the complete synchronisation arrangement rather than replacing transmitter frequency control, suitable timing reception or network planning. Confirm the required external timing hardware and its inclusion in the ordered package.

Transmitter-Site Integration

Analogue MPX and digital AES192 outputs support connection to compatible exciters and transmitters. Remote monitoring facilities support operation at unattended sites, allowing the decoder to become part of a centrally managed broadcast transport system. Confirm output connectors, network settings, timing connections and the selected MicroMPX operating mode against the supplied manual before commissioning. Account for network overhead and any resilience settings when specifying the IP service rather than treating the minimum codec bandwidth as the complete link requirement.

Basic Product Specifications

  • Manufacturer: DEVA Broadcast.
  • Factory model: DB94-SFN.
  • Product type: compact MPX over IP decoder.
  • Decoding technology: MicroMPX / µMPX by Thimeo.
  • Published transport bandwidth: starting from 320 kbps.
  • Composite transport: stereo signal and RDS data.
  • Synchronisation: GPS-timed SFN support.
  • Output formats: analogue MPX and digital AES192.
  • Application: professional FM broadcast transport.
  • Physical dimensions, weight and electrical ratings: confirmation required.