Studio Technologies has announced the Model 5512 Audio Interface and Model 5518 Mic/Line Interface for applications using SMPTE ST 2110 Audio-over-Ethernet (AoE) networking.

Studio Technologies Model 5518 Mic/Line Interface The Model 5518 allows connection of eight analogue mic or line-level sources to be output in the digital domain by way of an AoE interface, while the Model 5512 offers similar digital conversion of line-level analogue sources and is available in two versions – one with eight input and eight output channels, and the other with 16 input and 16 output channels. Both the Model 5512 and Model 5518 support redundant stream performance following the ST 2022-7 standard.

The Model 5512’s analogue inputs and outputs use 25-pin D-sub connectors for interfacing with balanced and unbalanced sources and destinations. With the Model 5518, the unit’s eight mic/line audio inputs are located on the front panel and use standard three-pin female XLR connectors. These input signals are converted to 24-bit PCM digital and then transported via the AoE network interfaces. Each unit is housed in a compact, lightweight enclosure, which mounts in a 1U-high rack space. Power can be provided by 100-24V0, 50/60Hz or 12V DC with redundant operation supported.

Both units include three Gigabit Ethernet network interfaces, two to support ST 2110-30 essence stream transport and the third for accessing the management menu system. An internal web server allows fast and flexible monitoring and configuration of the unit’s audio input and output performance. Front-panel indicators, a display and pushbutton switches provide users with direct access to key operating parameters.

‘Our latest audio interfaces offer the audio quality, features and reliability required by 24-hour on-air and related broadcast applications,’ says Studio Technologies President, Gordon Kapes. ‘Creating products that are compliant with the ST 2110 suite of standards was a natural step for us, helping our customers in their transition to all-IP infrastructures. These interfaces are designed for applications that can benefit from ST 2110.

‘ST 2110 is an emerging technology that is expected to find wide acceptance as an audio, video and ancillary data transport ‘backbone,’ he adds. ‘This rapidly expanding set of standards is designed to offer extensive interoperability and flexibility for supporting a variety of signals and applications. We’ve equipped the Model 5512 and 5518 with the resources needed to directly integrate into many 2110-compliant designs.’


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