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APT WorldCast Equinox Audio Codec

A multi-algorithm, fully duplex, stereo audio codec offering IP & ISDN connections

WorldCast Equinox is a multi-algorithm, fully duplex, stereo audio codec offering IP & ISDN connections with optional X.21 / V.35.

Designed primarily for studio to transmitter links and inter-studio networking applications, the WorldCast Equinox provides a reliable platform for the transport of broadcast grade audio throughout the globe.

With robust, DSP-based architecture and the ability to automatically back-up your primary IP or X.21 link, the WorldCast Equinox offers a stable platform for 24/7/365 reliability.


  • Separate Analog & Digital Inputs / Outputs
  • Simplex & Duplex backup from IP to ISDN
  • New Blackfin DSP design to incorporate multiple algorithms
  • MPEG Layer 3 Bonding
  • Full support for SIP/SDP connections
  • Dual IP Ports (model 112172)
  • Redundant PSUs (model 112173)
  • Support for MPEG 4 AAC HE (model 112174)

Audio Quality

  • Fully duplex stereo audio codec
  • Available audio bandwidths from 10Hz through to 22.5kHz, for FM, AM and HD Radio• TM/DAB applications
  • Analog and AES/EBU I/O (AES3), Digital Reference In
  • Simultaneous Analog and Digital Outputs
  • 16 and 24 bit word resolution
  • Enhanced apt-X algorithm (16 bit & 24 bit) and MPEG Layer III
  • Linear PCM (16 bit and 24 bit resolution) – (Option)
  • Range of available algorithms includingMPEG 1/2 Layer II, MPEG 4 AAC LD,MPEG 2/4 AAC LC, AAC HE, G.722 • & G.711 – (Option)


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