Tieline Announces New Gateway-4 IP Codec

  • 17 February, 2021


AUS: Leading codec manufacturer Tieline has announced the addition of the new Gateway-4 IP audio codec to its range of professional IP audio codecs.

The Gateway-4 is a powerful DSP-based 1RU IP codec designed for live remote broadcasting applications, as well as STL or SSL links. The Gateway-4 also includes support for AES67, ST 2110-30, AES3 and analog I/O as standard, and an optional WheatNet-IP card.

Gateway-4 Replaces Merlin and Genie STL Codecs

The Gateway-4 supersedes and replaces the popular Merlin and Genie STL audio codecs. It supports 4 full-duplex audio channels* in 1RU to expand channel density by one when compared with these codecs.

The Gateway-4 provides two stereo connections, or one stereo and two mono connections, or up to 4 mono full duplex connections. The Gateway-4 also supports multiple unicasting to up to 20 endpoints and multicasting.

Gateway-4 supports 4 simultaneous full-duplex remotes

“Tieline’s new generation Gateway codecs deliver best-in-class DSP-based reliability and performance for mission critical broadcast streaming applications,” said Charlie Gawley, VP Sales APAC/EMEA. “The Gateway-4 is designed for solutions requiring between 2 and 4 audio streaming channels, plus unrivaled redundancy features and remote configuration and control. Customers with higher channel requirements will gravitate towards the Gateway-8/16 multi-channel codec.”

For larger networks, the Gateway-4 is ideal for transmitter sites, remote trucks or rack-mounted remote kits. For affiliates and smaller stations it can be used to transport studio-to-studio links, or a stereo studio-to-transmitter link signal plus another stereo connection, or dual mono connections for remotes.

Interoperability and Redundancy

The Gateway-4 seamlessly integrates with all Tieline IP codecs and delivers hitless packet switching using SmartStream PLUS redundant streaming, plus bandwidth aggregation using Fuse-IP technologies over internet connections. It features dual internal power supplies, dual LAN ports and dual AoIP ports. An optional Gateway Euro ISDN module can also be purchased for use with the Gateway-4. This allows the codec to integrate with legacy ISDN network infrastructure for primary or backup connections as required.

Gateway-4 codec delivers redundancy over IP and ISDN

Its feature-rich and compact design is interoperable with all Tieline IP codecs and compatible over SIP with all EBU N/ACIP Tech 3326 and 3368 compliant codecs and devices.

Gateway is configurable through an embedded HTML5 Toolbox Web-GUI interface and is also fully controllable using Tieline’s Cloud Codec Controller. Tieline expects the codec to ship towards the end of Q1, 2021.

For more information visit www.tieline.com/gateway-4 or contact Tieline sales:

For USA, Canada & Latin America contact: sales@tieline.com 
For Australia and International: info@tieline.com

* The Gateway-4 codec supports 4 channels only and is not upgradable to support more channels.
Notice About Discontinued Merlin and Genie Codecs
The Gateway-4 supersedes Tieline’s Merlin and Genie STL codecs and the Gateway-8 and Gateway-16 codecs supersede the Merlin PLUS and Genie Distribution codecs. Production of the Merlin and Genie families of codecs has ceased. Tieline will continue to provide support and software updates for all Merlin and Genie codecs.


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Tieline Announces New Gateway-4 IP Codec