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Typical studio setup


The Ultimate Digital Studio II is the most reliable and user friendly system in the world. It's easy to learn and fun to use. You need no computer skills to quickly become a UDS II expert. No more worries about missing commercials or playing the wrong song. The UDS II does what you want it to do. Created by radio people, for radio people, the UDS II is the system for you.

A-4000 Audio Controller

On Air Digital A4000 Audio Controller


The On Air Digital A4000 Audio Controller is the heart of the Ultimate Digital Studio's advanced audio and control capabilities. The A4000 is expandable, up to ten individual plug in input modules. As many as eight A4000 audio controllers can be controlled by a single UDS system. Both mono and stereo active-balanced outputs are available from the A4000 program output, and an optional audition output module is also available.

All A4000 inputs incorporate modern low noise circuitry. Each input may be configured as either high impedance balanced (bridging), high impedance unbalanced, or 600-ohm balanced. Multi-turn trim pots give the A4000 an extremely wide range of input capabilities. Each A4000 input card also includes a control relay for starting external equipment (either pulsed or latching). An end-of-message (EOM) control input is provided, giving the A4000 an unprecedented amount of control for satellite network joins and the control of any device that can be controlled by closures.

Other notable features include:
  - Active-balanced stereo and mono outputs
  - Optional audition output
  - Universal power supply

A4000 Audio Controller Specifications:

  • Number of inputs: Four (expandable to ten) stereo inputs
  • Input circuitry: Jumper configurable~0K active-balanced bridging,
    10K unbalanced, or 600-ohm active-balanced
  • Input range: -12 to +8 dBu input for +4 dBu standard output
  • Frequency Response: +0-0.5 dB, lOHz-20 KHz, reference 1KHz at +24 dBu
  • Output level: 0 VU at +4 dBu standard output level
  • Maximum output level: +27 dBu
  • THD: Less than .005%, 20 Hz to 20 KHz, at +24 dBu
  • Signal to noise ratio: > 80 dB, 0VU at +4 dBm
  • Outputs: Mono and stereo, active-balanced
  • Physical size: 5.25 inches high x 19 inches wide X 10.25 deep
    (2 RU in standard 19-inch rack)
  • Line voltage: 110-240 VAC, 50 to 60 Hz, international power supply

Specifications subject to change without notice.

UDS and the RBDS option


The RBDS option is just one more reason to choose the UDS II, the ultimate on-air management and control system.

Sometimes when a new technology comes out, it takes a while for people to come up with ways to use it. RBDS is a classic example. Can it help a station improve its image and revenue? Absolutely! Are more stations using it to its fullest capabilities? Not really.

Stations using RBDS have been confined to either using it as a format beat or dealing with the embarrassment of having a billboard display that does not track with what is currently on the air.

The latter problem is the result of feeding the RBDS information from a source other than the on-air source. If you have loaded your music schedule it will get off track the minute a time update occurs or a change is made to the log. The answer is to link the on-air system to the RBDS encoder. That is exactly what we have done with the UDS II. The result is a system that accurately displays:

  • Title of on-air song
  • Artist of on-air song
  • Station image line
  • Song coming up next (When on-air song is ending or when non-music events are on-air.)

The UDS RBDS Option has been configured for the DCI Broadcast Products RBDS encoder.

For more information on any of these products, contact On Air Digital USA today.