Omnia® ONE FM, AM, HD Radio, DAB Audioprocessor Used
The Omnia One is a multifunctional audio processor that can operate in FM, Am, HD, Studio or even just stereo encoder mode through different firmware. This used unit is in neat condition
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Omnia® ONE FM, AM, HD Radio, DAB Audioprocessor Used
Using the latest digital processing techniques and designed as a “universal hardware platform” the ONE provides the flexibility to perform many different jobs in the broadcast facility. The dual firmware banks allow different “modes” of operation to be stored. So no matter what kind of “cast” you need processing for – AM, FM, HD, podcasting, or streaming – the Omnia ONE will be a formidable option.
Under the hood, a wideband gain-rider plus four-band AGC allows fine adjustments to create a “signature” sound.
Time alignment
The Omnia ONE is completely, 100% time-aligned. This means that all audio signals, no matter what frequency, have the exact same propagation time from Input to Output of the Omnia audio processor. This is a claim that other manufacturers cannot make, as they don’t deem time-alignment to be important. Omnia processors sound more precise and less “smeary” due to this attention to time-alignment.
Pre-emphasis placement
All other FM audio processors employ FM pre-emphasis prior to their multi-band limiting. This placement of the pre-emphasis function results in a more convenient design for the manufacturer. However, it becomes this approach in the processor which ends up sounding more dense and “packed up” in the higher audio frequencies. Most engineers and listeners have come to accept this sound as “the FM sound”. This audio aberration is not a function of FM transmission, but a bad result of the design of traditional, multiband FM audio processors. Omnia takes a different approach. In the Omnia ONE, the necessary FM pre-emphasis is applied after the multi-band limiting. This technique requires difficult attention to both the limiting and clipping algorithms. However, the audible result is a cleaner, much more detailed high-end in the transmitted audio. This advantage of Omnia processing architecture is most easily noticed on musical instruments such as cymbals, castanets, trumpets, and other sounds with a lot of high-frequency energy. You will notice that these musical instruments sound “fake” through other audio processors, but they sound very real and natural through an Omnia audio processor.
Separate multiband AGC and multiband limiter stages
Most other audio processors take a shortcut in the execution of multiband AGC and limiting functions; they put both functions within the same audio processing “block”. Omnia takes a more comprehensive approach. We designed the multiband AGC and multiband limiting blocks completely separate from each other. This allows us to give slightly different treatment as needed for the absolute cleanest and competitively loudest audio. For example, some bands of limiting are best served by feed-back servo control, while the higher bands are best served by feed-forward servo control. Our design, which breaks these multiband functions into individual processing blocks, allows for the absolute best treatment of each audio band.
Omnia ONE’s Powerful and Comprehensive Clipper
In any FM audio processor, the final audio clipper presents the largest hindrance or benefit to the loudness and clarity of the on-air sound for a given modulation level. The FM clipper section in the Omnia ONE, originally available only in big brother Omnia-6, includes two distinct sections: a bass-management clipper and a main clipper. The bass clipper is quite sophisticated in its own right, but the main clipper offers two different clipping styles and the ability to “balance” between them, if desired. This flexibility gives the curious or competitive user the ability to finely tune this most important function.
Sensus Overview
Until now, digital signal processing has been a more precise numeric implementation of well-known analog methods. Even relatively recently designed digital audio processors couldn’t veer too far from the comparatively simplistic concepts that analog dynamics processing had utilized...until now!
Extremely high power DSP chips have become available and at relatively low cost, and they make it possible to build smarter and more complex processing algorithms that were too difficult or impossible (or too expensive) to do in the past.
Running on a platform of the latest high power DSP chips, the Omnia ONE and our new Sensus® technology takes digital dynamics processing into a completely new frontier. Instead of the two- dimensional static processing architecture of the past, Sensus® enables the audio processor to modify its own architecture in real time and in response to ever-changing program content. Simply stated, Sensus® has the ability to “sense” what must be done to a signal in order to best tailor it for output to a codec. As program content changes, it “rearranges the algorithms” to accomplish this goal. The uniqueness of the Sensus® technology makes it highly suitable not only for codec pre-conditioning (or provisioning), but also for a range of other highly specialized signal processing challenges. The following is a discussion of how Sensus® technology can be applied to a coded audio environment.
Codec Provisioning
The codec is now a common denominator in the world of audio and broadcasting. Digital broadcasting (HDTV, HDRadio, DAB, DRM), podcasting, webcasting, cellcasting, and downloadable music files all employ a form of codec-based data compression in order to minimize the bandwidth required to transmit audio data. The necessarily low bitrates utilized by these mediums presents a tough challenge for any audio processor used prior to a codec. Traditional dynamics processors are designed to fulfill the requirements of a medium where the functions are generally static. That is, they’re well suited to the rather simplistic peak control and bandwidth limiting methods required for analog broadcasting, as well as for the signal normalization techniques used in recording and mastering. Audio codecs on the other hand are moving targets - each codec algorithm has its own set of artifacts.
Not only does the sonic quality vary depending on the algorithm and bitrate used, but more importantly they vary in their ability to mask their own coding action. This is why we call it a ‘moving target’ , and is why conventional audio processors fall short in a coded audio environment and can actually make coding artifacts worse due to their inability to adapt appropriately to the changing operation of the codec as the program content changes. Prior art in audio dynamics processing could only address some of the challenges of provisioning audio for coding. This hurdle existed because the codec adapts to the incoming program (so as to generate the least amount of output data representing the input audio) causing the sonic artifacts generated by the process to continually change. Unless the audio processor can predict these changing characteristics of the codec, it can’t possibly create output audio that is perfectly tailored for the coding process.
Conventional processors utilize rather simplistic high frequency limiters and fixed low pass filtering that does not change with the program material. When these less intelligent processors feed a codec the audio might sound acceptable one moment and offensive the next. Because they cannot “know” what the codec will do next, the result is over-compensated, dull and lifeless audio... audio that still contains objectionable codec-generated artifacts!
Omnia ONE Multicast and HD Radio®
The advent of HD Radio has introduced the capability to transmit multiple program streams, or “Multicast”, within a single 96kbps digital broadcast data channel. To facilitate this, multicast relies on the use of codecs with comparatively low bitrates. A broadcaster can choose to transmit a number of multicast channels and select the bitrate for each one. However, the more multicast channels there are, the lower the bitrate each channel must have in order for them to all fit within the total available bandwidth. To achieve maximum sound quality, the kind that attracts and holds listeners, those channels need specialized dynamics processing capable of creating great sound regardless of program content and bitrate. They need Sensus®.
Omnia ONE FM & SG
Frequency Response
Complies with the standard 50 or 75 microsecond pre-emphasis curve within ± 0.50 dB, 30 Hz to 15 kHz. The analog left/right outputs and AES/EBU Digital outputs can be configured for flat or pre- emphasized output.
System Distortion
Less than 0.01% THD, 20 Hz – 7.5 kHz. Second harmonic distortion above 7.5 kHz is not audible in the FM system.
*Signal-Noise Ratio: > -80 dB de-emphasized, 20 Hz –- 15 kHz bandwidth, referenced to 100% modulation).
*The measured noise floor will depend upon the settings of the Input and Output Gain controls and is primarily governed by dynamic range of the Crystal Semiconductor CS5361 A/D Converter which is specified as >110 dB. The dynamic range of the internal digital signal processing chain is >144 dB.
Stereo Separation
Greater than 65 dB, 20 Hz –- 15 kHz; 70 dB typical.
Crosstalk
> -70 dB, 20 Hz -- 15 kHz
Composite Outputs
Source Impedance: 5 ohms or 75 ohms, jumper-selectable. Single-ended and floating over chassis ground.
Output Level: 0V to 10V in 0.05V steps, software adjustable.
D/A Conversion: Texas Instruments/Burr Brown PCM1798, 24-bit sigmadelta converter.
Configuration: Two electrically independent outputs. Software based level adjustment.
Load Impedance: 50 ohms or greater load is suggested.
Pilot Level: Adjustable from 4.0% to 12.0% in 0.1% steps and OFF.
Pilot Stability: 19 kHz, ± 0.5 Hz.
Signal-to-Noise Ratio: -85 dB typical, 75 μS de-emphasized, 15 kHz bandwidth, referenced to 100% modulation).
Distortion: < 0.02% THD 20 Hz – 15 kHz bandwidth, 75 μS deemphasized, referenced to 100% modulation.
Stereo Separation: > 65 dB, 30 Hz – 15 kHz.
Linear Crosstalk: > -80 dB, main to sub or sub to main channel (referenced to 100% modulation).
Non-linear Crosstalk: > -80 dB, main to sub or sub to main channel (referenced to 100% modulation).
8 kHz Suppression: > 70 dB (referenced to 100% modulation).
76 kHz Suppression: > 80 dB (referenced to 100% modulation).
Pilot Protection: > -65 dB relative to 9% pilot injection, ± 1 kHz. 57 kHz (RDS/RBDS) Protection: better than -50 dB.
Connectors: Two EMI suppressed female BNC, floating over chassis ground.
Maximum Load Capacitance: 5nF (at 10 ohms source impedance).
Maximum cable length: 100 feet/30 meters RG-58A/U.
Analog Audio Input
Left/Right Stereo.
Electronically balanced.
Input impedance 10k ohms resistive.
Maximum Input Level: +22 dBu.
Nominal Input Level: +4dBu, which nets a -18dBFS input meter reading on a steady-state signal when the Input Gain control is set to 0.0dB. Program material with a nominal average level (VU reading) of +4dBu will typically produce peak readings on the input meter in the range of -12 dBFS to -6dBFS. This is the correct operating level.
A/D Conversion: Crystal Semiconductor CS5361, 24 bit 128x oversampled delta sigma converter with linear-phase anti-aliasing filter.
Pre-ADC anti-alias filter, with high-pass filter at <10 Hz.
Connectors: Two, EMI-suppressed XLR-female. Pin 1 chassis ground, Pin 2 “Hot”.
Analog Audio Output
Left/Right Stereo. Electronically balanced.
Output Impedance 20 ohms.
Minimum load Impedance: 600 ohms.
Output Level adjustable from -2 dBu to +22dBu peak in 0.1dB steps.
D/A Conversion
Crystal Semiconductor CS4391, 24 bit, 128x oversampled.
Connectors: Two, EMI-suppressed XLR-male. Pin 1 chassis ground, Pin 2 “Hot”
Digital Audio Input
Configuration: Stereo per AES/EBU standard, CS8420 Digital Audio Transceiver with 24 bit resolution, software selection of stereo, mono from left, mono from right or mono from sum.
Automatically accepts and locks to input sample rates between 32 and 108 kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Audio Output
Stereo per AES3 standard. Digital Output sample rate can lock to the input, lock to an additional external sync source, or use the internal 48kHz rate.
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Output Level
-24.0 to 0.0 dBFS peak, software adjustable in 0.1dB steps.
External Sync Input
External Sync: Allows the output sample rate to be synchronized to an AES3 signal applied to the Ext. Sync input connector. (Does not accept Word Clock inputs)
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
External Sync Range
Automatically accepts sample rates between 32kHz and 96kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards, Transformer isolated, balanced, and floating according to AES3 standard.
Remote Control Methods
Ethernet: TCP/IP control via web page interface and Java (TM) remote control program included in the web pages. All software is served from the built-in web server; there is nothing to install on the user’s computer.
Ports Used: The defaults are TCP Ports 4545 and 4546 (for control and metering data, respectively
Connectors: Modem port - EMI-suppressed DB-9 male connector. Ethernet - Industry standard EMI- suppressed RJ-45 connector.
GPI Interface
Connector: EMI suppressed DB-9 female connector.
Power Requirements
Voltage: 100-250 VAC, 47-63 Hz., Less than 40 VA.
Power Connector: EMI suppressed IEC male. Detachable 3-wire power cords supplied for US and European use.
Power Supply: Internal. Overvoltage and short circuit protected. Meets EN55022, EN55011 Level B Conducted Emissions. EN61000-4-2, -3, -4, -5, -6 level 3 immunity compliant. Full international safety approval. CE marked.
Environmental: Operating Temperature: 32 to 122 deg. F / 0 to 50 deg. C for all operating voltage ranges. Humidity: 0-95% RH, non-condensing.
Omnia ONE AM
Notes
Discrete I/O measurements have been made in “Bypass” mode (available in the Input/Output menu).
All measurements made with the supplied “FACT_TEST” preset, which is available in the Preset Submenu.
System Frequency Response
Complies with the NRSC emphasis curve within ± 0.50 dB, 30 Hz to 10 kHz. (At a setting of “10” on the
HF EQ control)
System *Signal to Noise Ratio
-80 dB de-emphasized, 20 Hz – -10 kHz NRSC bandwidth, referenced to 100% modulation).
*The measured noise floor will depend upon the settings of the Input and Output Gain controls and
is primarily governed by dynamic range of the Crystal Semiconductor CS5361 A/D Converter which is specified as >110 dB. The dynamic range of the internal digital signal processing chain is >144 dB.
System Distortion
Less than 0.01% THD, 20 Hz – 5 kHz. (second order harmonic
Distortion above 5 kHz is not relevant in the AM system due to the removal of harmonics by the system’s 10 kHz low pass filter)
System Stereo Separation
Greater than 65 dB, 20 Hz –- 10 kHz; greater than 70 dB typical.
Analog Audio Input
Left/Right Stereo.
Electronically balanced.
Input impedance 10k ohms resistive.
Maximum Input Level: +22 dBu.
Nominal Input Level: +4dBu, which nets a -18dBFS input meter reading on a steady-state signal when the Input Gain control is set to 0.0dB. Program material with a nominal average level (VU reading) of +4dBu will typically produce peak readings on the input meter in the range of -12 dBFS to -6dBFS. This is the correct operating level.
A/D Conversion
Crystal Semiconductor CS5361, 24 bit 128x over-sampled delta sigma converter with linear-phase anti-aliasing filter. Pre-ADC anti-alias filter, with high-pass filter at <10 Hz.
Connectors: Two, EMI-suppressed XLR-female. Pin 1 chassis ground, Pin 2 “Hot”
Analog Audio Output
Left/Right Stereo. Electronically balanced.
Output Impedance 20 ohms.
Minimum load Impedance: 600 ohms.
Output Level adjustable from -2 dBu to +22dBu peak in 0.1dB steps.
D/A Conversion: Crystal Semiconductor CS4391, 24 bit, 128x oversampled.
Connectors: Two, EMI-suppressed XLR-male. Pin 1 chassis ground, Pin 2 “Hot”.
Digital Audio Input
Configuration: Stereo per AES/EBU standard, CS8420 Digital Audio Transceiver with 24 bit resolution, software selection of stereo, mono from left, mono from right or mono from sum.
Automatically accepts and locks to input sample rates between 32 and 108 kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Audio Output
Stereo per AES3 standard. Digital Output sample rate can lock to the input, lock to an additional external sync source, or use the internal 48kHz rate.
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Output Level
-24.0 to 0.0 dBFS peak, software adjustable in 0.1dB steps.
External Sync Input
External Sync: Allows the output sample rate to be synchronized to an AES3 signal applied to the Ext. Sync input connector. (Does not accept Word Clock inputs)
Connector: EMI-suppressed RJ-45 female according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
External Sync Range
Automatically accepts sample rates between 32kHz and 96kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+ standards, Transformer isolated, balanced, and floating according to AES3 standard.
Remote Control Methods
Ethernet: TCP/IP control via web page interface and JavaTM remote control program included in the web pages. All software is served from the built-in web server; there is nothing to install on the user’s computer.
Ports Used: The defaults are TCP Ports 4545 and 4546 (for control and metering data, respectively)
Connectors: Serial port - EMI-suppressed DB-9 male connector.
Ethernet - Industry standard EMI-suppressed RJ-45 connector.
GPI Interface
Connector: EMI suppressed DB-9 female connector.
Power Requirements
Voltage: 100-250 VAC, 47-63 Hz., Less than 40 VA.
Power Connector: EMI suppressed IEC male.
Detachable 3-wire power cords supplied for US and European use.
Power Supply: Internal. Overvoltage and short circuit protected. Meets EN55022, EN55011 Level B Conducted Emissions. EN61000-4-2, -3, -4, -5, -6 level 3 immunity compliant. Full international safety approval. CE marked.
Environmental
Operating Temperature: 32 to 122 deg. F / 0 to 50 deg. C for all operating voltage ranges. Humidity:
0-95% RH, non-condensing.
Omnia ONE Multicast/DAB & Studio Pro
Note
All measurements made using “Bypass” mode, which is available in the Input/Output menu.
General Audio Specifications
Frequency Response: ± 0.50 dB, 20 Hz to 20 kHz with high pass filter disabled.
Distortion: Less than 0.05% THD 20 Hz – 20 kHz bandwidth.
*Signal-Noise Ratio: Greater than -100 dB, 20 Hz –- 20 kHz bandwidth, referenced to 0dBfs
*The measured noise floor will depend upon the settings of the Input and Output Gain controls and is primarily governed by dynamic range of the Crystal Semiconductor A/D Converter which is specified as
>100 dB. The dynamic range of the internal digital signal processing chain is >144 dB.
Stereo Separation
Greater than 80 dB, 20 Hz –- 20 kHz; 90 dB typical.
Analog Audio Input
Left/Right Stereo.
Electronically balanced.
Input impedance 10k ohms resistive.
Maximum Input Level +24 dBu.
Nominal Input Level: +4dBu (A +12dBu input results in –12dBFS input meter reading with Input Gain set to 0.0dB. A 0dBu input signal results in a -12dBFS input level when Input Gain is +12dB.)
A/D Conversion
Crystal Semiconductor 24 bit 128x oversampled delta sigma converter with linear-phase anti-aliasing filter. Pre-ADC anti-alias filter, with highpass filter at <10 Hz.
Connectors: Two, EMI-suppressed XLR-female. Pin 1 chassis ground, Pin 2 “Hot”.
Analog Audio Output
Left/Right Stereo. Electronically balanced.
Output Impedance 20 ohms.
Minimum load Impedance 600 ohms.
Output Level adjustable from -2 dBu to +22dBu peak in 0.1dB steps.
D/A Conversion: Crystal Semiconductor CS4390 24 bit, 128x oversampled.
Connectors: Two, EMI-suppressed XLR-male. Pin 1 chassis ground, Pin 2 “Hot”.
Digital Audio Input
Configuration: Two-channel stereo per AES3 standard via CS8420 Digital Audio Transceiver with 24-bit resolution. Software selection of stereo, mono from left, mono from right or mono from sum. Automatically accepts sample rates between 24 kHz and 96 kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Audio Output
Stereo per AES3 standard. Digital Output sample rate software selectable for internal 48kHz, synchronize to AES input, or synchronize to auxiliary AES sync input (per AES-11 / DARS).
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Output Level
-22.0 to 0.0 dBFS peak, software adjustable in 0.1dB steps.
Digital Sync Input
Output sample rate can be synchronized to the signal present on the AES/EBU input or to the AES3 signal applied to the Ext. Sync connector.
External Sync Range
Accepts 32kHz to 96 kHz for synchronization of the Digital
Output signal to an external reference. Automatically accepts sample rates between 32kHz and 96kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards, Transformer isolated, balanced, and floating according to AES3 standard.
Remote Control Methods
Ethernet: TCP/IP control via web page interface and JavaTM remote control program included in the web pages. All software is served from the built-in web server; there is nothing to install on the user’s computer.
Ports Used: The defaults are TCP Ports 4545 and 4546 (for control and metering data, respectively).
Connectors: Serial port - EMI-suppressed DB-9 male connector.
Ethernet - Industry standard EMI-suppressed RJ-45 connector.
GPI Interface
Connector: EMI suppressed DB-9 female connector.
Power Requirements
Voltage: 100-250 VAC, 47-63 Hz. Less than 25 VA.
Power Connector
EMI suppressed IEC male.
Detachable 3-wire power cords supplied for US and European use.
Power Supply
Internal. Overvoltage and short circuit protected. Meets EN55022, EN55011 Level B Conducted Emissions. EN61000-4-2, -3, -4, -5, -6 level 3 immunity compliant. Full international safety approval. CE marked
Environmental
Operating Temperature: 32 to 122 deg. F / 0 to 50 deg. C for all operating voltage ranges. Humidity:
0-95% RH, non-condensing.
Regulatory
North America: FCC and CE tested and compliant, power supply is UL approved.
Europe: Complies with the European Union Directive 2002/95/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended by Commission Decisions 2005/618/EC, 2005/717/ EC, 2005/747/EC (RoHS Directive), and WEEE.
Frequency Response
Complies with the standard 50 or 75 microsecond pre-emphasis curve within ± 0.50 dB, 30 Hz to 15 kHz. The analog left/right outputs and AES/EBU Digital outputs can be configured for flat or pre- emphasized output.
System Distortion
Less than 0.01% THD, 20 Hz – 7.5 kHz. Second harmonic distortion above 7.5 kHz is not audible in the FM system.
*Signal-Noise Ratio: > -80 dB de-emphasized, 20 Hz –- 15 kHz bandwidth, referenced to 100% modulation).
*The measured noise floor will depend upon the settings of the Input and Output Gain controls and is primarily governed by dynamic range of the Crystal Semiconductor CS5361 A/D Converter which is specified as >110 dB. The dynamic range of the internal digital signal processing chain is >144 dB.
Stereo Separation
Greater than 65 dB, 20 Hz –- 15 kHz; 70 dB typical.
Crosstalk
> -70 dB, 20 Hz -- 15 kHz
Composite Outputs
Source Impedance: 5 ohms or 75 ohms, jumper-selectable. Single-ended and floating over chassis ground.
Output Level: 0V to 10V in 0.05V steps, software adjustable.
D/A Conversion: Texas Instruments/Burr Brown PCM1798, 24-bit sigmadelta converter.
Configuration: Two electrically independent outputs. Software based level adjustment.
Load Impedance: 50 ohms or greater load is suggested.
Pilot Level: Adjustable from 4.0% to 12.0% in 0.1% steps and OFF.
Pilot Stability: 19 kHz, ± 0.5 Hz.
Signal-to-Noise Ratio: -85 dB typical, 75 μS de-emphasized, 15 kHz bandwidth, referenced to 100% modulation).
Distortion: < 0.02% THD 20 Hz – 15 kHz bandwidth, 75 μS deemphasized, referenced to 100% modulation.
Stereo Separation: > 65 dB, 30 Hz – 15 kHz.
Linear Crosstalk: > -80 dB, main to sub or sub to main channel (referenced to 100% modulation).
Non-linear Crosstalk: > -80 dB, main to sub or sub to main channel (referenced to 100% modulation).
8 kHz Suppression: > 70 dB (referenced to 100% modulation).
76 kHz Suppression: > 80 dB (referenced to 100% modulation).
Pilot Protection: > -65 dB relative to 9% pilot injection, ± 1 kHz. 57 kHz (RDS/RBDS) Protection: better than -50 dB.
Connectors: Two EMI suppressed female BNC, floating over chassis ground.
Maximum Load Capacitance: 5nF (at 10 ohms source impedance).
Maximum cable length: 100 feet/30 meters RG-58A/U.
Analog Audio Input
Left/Right Stereo.
Electronically balanced.
Input impedance 10k ohms resistive.
Maximum Input Level: +22 dBu.
Nominal Input Level: +4dBu, which nets a -18dBFS input meter reading on a steady-state signal when the Input Gain control is set to 0.0dB. Program material with a nominal average level (VU reading) of +4dBu will typically produce peak readings on the input meter in the range of -12 dBFS to -6dBFS. This is the correct operating level.
A/D Conversion: Crystal Semiconductor CS5361, 24 bit 128x oversampled delta sigma converter with linear-phase anti-aliasing filter.
Pre-ADC anti-alias filter, with high-pass filter at <10 Hz.
Connectors: Two, EMI-suppressed XLR-female. Pin 1 chassis ground, Pin 2 “Hot”.
Analog Audio Output
Left/Right Stereo. Electronically balanced.
Output Impedance 20 ohms.
Minimum load Impedance: 600 ohms.
Output Level adjustable from -2 dBu to +22dBu peak in 0.1dB steps.
D/A Conversion
Crystal Semiconductor CS4391, 24 bit, 128x oversampled.
Connectors: Two, EMI-suppressed XLR-male. Pin 1 chassis ground, Pin 2 “Hot”
Digital Audio Input
Configuration: Stereo per AES/EBU standard, CS8420 Digital Audio Transceiver with 24 bit resolution, software selection of stereo, mono from left, mono from right or mono from sum.
Automatically accepts and locks to input sample rates between 32 and 108 kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Audio Output
Stereo per AES3 standard. Digital Output sample rate can lock to the input, lock to an additional external sync source, or use the internal 48kHz rate.
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Output Level
-24.0 to 0.0 dBFS peak, software adjustable in 0.1dB steps.
External Sync Input
External Sync: Allows the output sample rate to be synchronized to an AES3 signal applied to the Ext. Sync input connector. (Does not accept Word Clock inputs)
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
External Sync Range
Automatically accepts sample rates between 32kHz and 96kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards, Transformer isolated, balanced, and floating according to AES3 standard.
Remote Control Methods
Ethernet: TCP/IP control via web page interface and Java (TM) remote control program included in the web pages. All software is served from the built-in web server; there is nothing to install on the user’s computer.
Ports Used: The defaults are TCP Ports 4545 and 4546 (for control and metering data, respectively
Connectors: Modem port - EMI-suppressed DB-9 male connector. Ethernet - Industry standard EMI- suppressed RJ-45 connector.
GPI Interface
Connector: EMI suppressed DB-9 female connector.
Power Requirements
Voltage: 100-250 VAC, 47-63 Hz., Less than 40 VA.
Power Connector: EMI suppressed IEC male. Detachable 3-wire power cords supplied for US and European use.
Power Supply: Internal. Overvoltage and short circuit protected. Meets EN55022, EN55011 Level B Conducted Emissions. EN61000-4-2, -3, -4, -5, -6 level 3 immunity compliant. Full international safety approval. CE marked.
Environmental: Operating Temperature: 32 to 122 deg. F / 0 to 50 deg. C for all operating voltage ranges. Humidity: 0-95% RH, non-condensing.
Omnia ONE AM
Notes
Discrete I/O measurements have been made in “Bypass” mode (available in the Input/Output menu).
All measurements made with the supplied “FACT_TEST” preset, which is available in the Preset Submenu.
System Frequency Response
Complies with the NRSC emphasis curve within ± 0.50 dB, 30 Hz to 10 kHz. (At a setting of “10” on the
HF EQ control)
System *Signal to Noise Ratio
-80 dB de-emphasized, 20 Hz – -10 kHz NRSC bandwidth, referenced to 100% modulation).
*The measured noise floor will depend upon the settings of the Input and Output Gain controls and
is primarily governed by dynamic range of the Crystal Semiconductor CS5361 A/D Converter which is specified as >110 dB. The dynamic range of the internal digital signal processing chain is >144 dB.
System Distortion
Less than 0.01% THD, 20 Hz – 5 kHz. (second order harmonic
Distortion above 5 kHz is not relevant in the AM system due to the removal of harmonics by the system’s 10 kHz low pass filter)
System Stereo Separation
Greater than 65 dB, 20 Hz –- 10 kHz; greater than 70 dB typical.
Analog Audio Input
Left/Right Stereo.
Electronically balanced.
Input impedance 10k ohms resistive.
Maximum Input Level: +22 dBu.
Nominal Input Level: +4dBu, which nets a -18dBFS input meter reading on a steady-state signal when the Input Gain control is set to 0.0dB. Program material with a nominal average level (VU reading) of +4dBu will typically produce peak readings on the input meter in the range of -12 dBFS to -6dBFS. This is the correct operating level.
A/D Conversion
Crystal Semiconductor CS5361, 24 bit 128x over-sampled delta sigma converter with linear-phase anti-aliasing filter. Pre-ADC anti-alias filter, with high-pass filter at <10 Hz.
Connectors: Two, EMI-suppressed XLR-female. Pin 1 chassis ground, Pin 2 “Hot”
Analog Audio Output
Left/Right Stereo. Electronically balanced.
Output Impedance 20 ohms.
Minimum load Impedance: 600 ohms.
Output Level adjustable from -2 dBu to +22dBu peak in 0.1dB steps.
D/A Conversion: Crystal Semiconductor CS4391, 24 bit, 128x oversampled.
Connectors: Two, EMI-suppressed XLR-male. Pin 1 chassis ground, Pin 2 “Hot”.
Digital Audio Input
Configuration: Stereo per AES/EBU standard, CS8420 Digital Audio Transceiver with 24 bit resolution, software selection of stereo, mono from left, mono from right or mono from sum.
Automatically accepts and locks to input sample rates between 32 and 108 kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Audio Output
Stereo per AES3 standard. Digital Output sample rate can lock to the input, lock to an additional external sync source, or use the internal 48kHz rate.
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Output Level
-24.0 to 0.0 dBFS peak, software adjustable in 0.1dB steps.
External Sync Input
External Sync: Allows the output sample rate to be synchronized to an AES3 signal applied to the Ext. Sync input connector. (Does not accept Word Clock inputs)
Connector: EMI-suppressed RJ-45 female according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
External Sync Range
Automatically accepts sample rates between 32kHz and 96kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+ standards, Transformer isolated, balanced, and floating according to AES3 standard.
Remote Control Methods
Ethernet: TCP/IP control via web page interface and JavaTM remote control program included in the web pages. All software is served from the built-in web server; there is nothing to install on the user’s computer.
Ports Used: The defaults are TCP Ports 4545 and 4546 (for control and metering data, respectively)
Connectors: Serial port - EMI-suppressed DB-9 male connector.
Ethernet - Industry standard EMI-suppressed RJ-45 connector.
GPI Interface
Connector: EMI suppressed DB-9 female connector.
Power Requirements
Voltage: 100-250 VAC, 47-63 Hz., Less than 40 VA.
Power Connector: EMI suppressed IEC male.
Detachable 3-wire power cords supplied for US and European use.
Power Supply: Internal. Overvoltage and short circuit protected. Meets EN55022, EN55011 Level B Conducted Emissions. EN61000-4-2, -3, -4, -5, -6 level 3 immunity compliant. Full international safety approval. CE marked.
Environmental
Operating Temperature: 32 to 122 deg. F / 0 to 50 deg. C for all operating voltage ranges. Humidity:
0-95% RH, non-condensing.
Omnia ONE Multicast/DAB & Studio Pro
Note
All measurements made using “Bypass” mode, which is available in the Input/Output menu.
General Audio Specifications
Frequency Response: ± 0.50 dB, 20 Hz to 20 kHz with high pass filter disabled.
Distortion: Less than 0.05% THD 20 Hz – 20 kHz bandwidth.
*Signal-Noise Ratio: Greater than -100 dB, 20 Hz –- 20 kHz bandwidth, referenced to 0dBfs
*The measured noise floor will depend upon the settings of the Input and Output Gain controls and is primarily governed by dynamic range of the Crystal Semiconductor A/D Converter which is specified as
>100 dB. The dynamic range of the internal digital signal processing chain is >144 dB.
Stereo Separation
Greater than 80 dB, 20 Hz –- 20 kHz; 90 dB typical.
Analog Audio Input
Left/Right Stereo.
Electronically balanced.
Input impedance 10k ohms resistive.
Maximum Input Level +24 dBu.
Nominal Input Level: +4dBu (A +12dBu input results in –12dBFS input meter reading with Input Gain set to 0.0dB. A 0dBu input signal results in a -12dBFS input level when Input Gain is +12dB.)
A/D Conversion
Crystal Semiconductor 24 bit 128x oversampled delta sigma converter with linear-phase anti-aliasing filter. Pre-ADC anti-alias filter, with highpass filter at <10 Hz.
Connectors: Two, EMI-suppressed XLR-female. Pin 1 chassis ground, Pin 2 “Hot”.
Analog Audio Output
Left/Right Stereo. Electronically balanced.
Output Impedance 20 ohms.
Minimum load Impedance 600 ohms.
Output Level adjustable from -2 dBu to +22dBu peak in 0.1dB steps.
D/A Conversion: Crystal Semiconductor CS4390 24 bit, 128x oversampled.
Connectors: Two, EMI-suppressed XLR-male. Pin 1 chassis ground, Pin 2 “Hot”.
Digital Audio Input
Configuration: Two-channel stereo per AES3 standard via CS8420 Digital Audio Transceiver with 24-bit resolution. Software selection of stereo, mono from left, mono from right or mono from sum. Automatically accepts sample rates between 24 kHz and 96 kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Audio Output
Stereo per AES3 standard. Digital Output sample rate software selectable for internal 48kHz, synchronize to AES input, or synchronize to auxiliary AES sync input (per AES-11 / DARS).
Connector: EMI-suppressed RJ-45 female according to Studio- Hub+® standards. Transformer isolated, balanced, and floating according to AES3 standard.
Digital Output Level
-22.0 to 0.0 dBFS peak, software adjustable in 0.1dB steps.
Digital Sync Input
Output sample rate can be synchronized to the signal present on the AES/EBU input or to the AES3 signal applied to the Ext. Sync connector.
External Sync Range
Accepts 32kHz to 96 kHz for synchronization of the Digital
Output signal to an external reference. Automatically accepts sample rates between 32kHz and 96kHz.
Connector: EMI-suppressed RJ-45 female pinned according to StudioHub+® standards, Transformer isolated, balanced, and floating according to AES3 standard.
Remote Control Methods
Ethernet: TCP/IP control via web page interface and JavaTM remote control program included in the web pages. All software is served from the built-in web server; there is nothing to install on the user’s computer.
Ports Used: The defaults are TCP Ports 4545 and 4546 (for control and metering data, respectively).
Connectors: Serial port - EMI-suppressed DB-9 male connector.
Ethernet - Industry standard EMI-suppressed RJ-45 connector.
GPI Interface
Connector: EMI suppressed DB-9 female connector.
Power Requirements
Voltage: 100-250 VAC, 47-63 Hz. Less than 25 VA.
Power Connector
EMI suppressed IEC male.
Detachable 3-wire power cords supplied for US and European use.
Power Supply
Internal. Overvoltage and short circuit protected. Meets EN55022, EN55011 Level B Conducted Emissions. EN61000-4-2, -3, -4, -5, -6 level 3 immunity compliant. Full international safety approval. CE marked
Environmental
Operating Temperature: 32 to 122 deg. F / 0 to 50 deg. C for all operating voltage ranges. Humidity:
0-95% RH, non-condensing.
Regulatory
North America: FCC and CE tested and compliant, power supply is UL approved.
Europe: Complies with the European Union Directive 2002/95/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended by Commission Decisions 2005/618/EC, 2005/717/ EC, 2005/747/EC (RoHS Directive), and WEEE.
