Inovonics 568 SOFIA FM/HD Radio™ SiteStreamer+™


The SOFIA 568 provides analog, AES3-digital and AoIP-streaming audio outputs. It collects histograms of signal parameters and displays HD Radio™ album artwork, station logos and similar visuals via the Web interface.

Multiple stations can be sequentially monitored using the programmable StationRotation™ feature. The SOFIA 568 includes a built-in BandScanner™, a real-time clock and full SNMP functionality.

The elite SiteStreamer+™ (‘Plus’) series offers advanced features for the most critical monitoring situations.

SiteStreamers™ also deliver important RF and audio signal measurements and dispatch email or text-message alarms for out-of-limits conditions and other reception errors.



  • Install the SiteStreamer within the reception contour of your station and monitor off-air ana-log FM or HD Radio signals (HD1-HD8) via the Web from anywhere in the world.
  • The built-in BandScanner displays a spectrum plot of the entire FM band (or a user-selected portion) and identifies HD Radio transmissions.
  • Gives local and remote readout of all pertinent FM/RDS and HD/PAD data.
  • Easy front-panel setup uses jog-wheel menu navigation and the front-panel readout. The corresponding Web interface offers a detailed presentation and additional options.
  • Stays on-channel and on-mode through signal and power loss; does not auto-blend between FM and HD like a consumer radio.
  • Front-panel alarms and/or rear-panel ‘tallies’ indicate Audio Loss, Low Signal, RDS Errors and HD Reception Loss.
  • ‘Split Mode’ audio monitoring aids transmission diversity delay setup.
  • When issued, free firmware updates are easily installed in the field or remotely through the Web interface.
  • The half-rack package features an OLED hi-res graphic display, wide-range LED level meters and individ-ual alarm LEDs with rear-panel tallies.
  • Real-Time Clock has battery backup.
  • SNMP utility is fully supported.
  • GPOs may be user-assigned to specific alarm functions.
  • Fulltime off-air program audio is available simultaneously as L/R-analog, AES3-digital and Dante®-based AES67 AoIP streaming, all with adjustable levels, plus a multi-listener Internet IP stream and front-panel headphone jack.
  • PLUS:
  • The SOFIA 568 Internet-listening stream supports up to 10 listeners at once.
  • Enhanced alarm logging includes the duration of each alarm, and there is virtually no limit to the number of alarms that can be logged.
  • Download a complete log randomly, or automatically daily, weekly or monthly.


Technical Specification

Tuning Range

87.5MHz to 107.9MHz in 100kHz steps.

Antenna Input

75Ω (BNC).


10dBµV required for 50dB mono-FM S/N.

Audio Response

  • FM: ±1dB, 30Hz – 15kHz; de-emphasis is programmable at 75µs or 50µs or OFF.
  • HD Radio™: ±0.25dB, 20Hz – 20kHz.

Reception Modes

  • FM: Stereo / Stereo Auto-Blend / Forced-Mono.
  • HD Radio™: HD1 through HD8; ‘Split Mode’ delivers L+R FM to the left audio channel and L+R HD1 to the right.

RDS Fields Displayed

PS, PI (and call), RT, RT+1, RT+2, PTY, PTYN, C/T, M/S, DI, TP, TA; RDS Block Error Rate, Groups Transmitted (with use statistics), AF, ODA.

HD PAD Data Displayed

  • SIS: Short Name, Universal Name, Station ID, Slogan, Message, Station Location.
  • Misc: Service Mode, Codec Mode, TX Gain, TX Blend Control.
  • PSD (HD1-HD8, each): Slogan, PTY, Artist, Title, Album; Logo and/or Artist Experience graphics.

Graphs and Metering

L, R, L+R and L–R Program Audio; Audio Histogram; RSSI, RF SNR, HD Level and Cd/No levels and histograms.

Program Audio Outputs:

  • Balanced Analog (XLR) Left and Right outputs are adjustable from –15dBu to +15dBu in 0.1dB steps.
  • AES Digital (XLR) output at 44.1kHz or 48kHz is adjustable from –30dBFS to 0dBFS in 0.1dB steps.
  • Headphone Jack (3.5mm TRS) has adjustable listening level.

Streaming Audio

MP3 or OGG (selectable) streams have bitrates from 32kbps to 256kbps and sampling rates from 16kHz to 48kHz.


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