Studio Technologies Model 381 On-Air Beltpack

Studio Technologies Model 381 On-Air Beltpack

The Model 381 On-Air Beltpack offers a unique combination of audio resources to directly support a complete broadcast "stand-up" on-air position. Using Dante^® audio-over-Ethernet technology, the unit provides main and talkback output channels, talent cue (IFB) input, and sidetone capabilities, as well as essential user controls in a compact, portable package. The Model 381 is compatible with the Dante Domain Manager^™ (DDM) software application and is AES67-compliant for direct integration into many contemporary networked audio applications.

Optimized for broadcast sports and live entertainment events, eSports, news-gathering, and streaming broadcast applications, the Model 381 allows incredibly simple deployment while maintaining "pro" audio quality and an intuitive user experience. With just a Power-over-Ethernet (PoE) connection, a dynamic or phantom-powered microphone, and a pair of headphones or an earpiece, the unit will be ready for "on-air" deployment. The STcontroller software application is used for configuring operating parameters including microphone preamplifier gain, P48 phantom power, headphone signal routing, sidetone operation, and talkback button action. The Model 381's audio quality is excellent, with low distortion, low noise, and high headroom. Careful circuit design and rugged components ensure long, reliable operation.

Applications

The Model 381 provides an "all-Dante" solution for one on-air talent location. Two Dante audio input channels supply the user with their talent cue (IFB) signals. Should the cue signal be "mix-minus" an integrated sidetone function can provide the user with a microphone confidence signal. Two Dante audio output channels, one designated as main (for "on-air" use) and the other talkback, are routed via the associated local-area network (LAN) to inputs on Dante-compatible devices. A pushbutton switch, located on the Model 381's top panel, provides a combination talkback and "cough" function. When talkback is not active audio associated with the microphone preamplifier is routed to the Dante main output channel; the Dante talkback output channel is muted. When the talkback function is active audio is muted on the Dante main output channel and activated on the Dante talkback output channel. The audio switching is performed in the digital domain and is virtually "click-free."

Setup and Operation

Set up and operation of the Model 381 is simple. An etherCON^® RJ45 jack is used to interconnect with a standard twisted-pair Ethernet port associated with a PoE-enabled network switch. This connection provides both power and bidirectional digital audio. A broadcast headset or handheld ("stick") microphone can be directly connected to the unit's 3-pin XLR microphone input connector. This input is compatible with dynamic or condenser microphones. An integrated P48 phantom power source can be enabled if desired. Stereo headphones, the headphone connections from a stereo or monaural headset, or even a monaural earpiece are connected to the headphone output jack. Two "push-in/push-out" rotary controls (potentiometers or "pots") make it easy to set the level of the talent cue signals level being sent to the 2-channel headphone output.

The STcontroller software application is used to configure the wide range of Model 381 operating parameters. This allows the unit's performance to be optimized to meet the needs of specific applications. The Model 381's ultra-compact enclosure is made from an aluminum alloy which offers both light weight and ruggedness. A stainless steel "belt clip," located on the back of the unit, allows direct attachment to a user's clothing. The top surface is curved to minimize the chance of the unit interfering with clothing or being readily observable "on camera."

For further information please refer to the attached data sheet.