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Omnia ONE 

Multicast  

 

Audio Processor with 

 

®

 
 

Installation and Operation Manual 

Version 0.9i / March 2007 

Applicable to v1.0 Release Software  

 
 
 
 

A Telos Company

 

 
 
 
 

Omnia 

 2101 Superior Avenue Cleveland, Ohio 44114 USA 

TEL:  +1  216.241.7225 

 FAX: +1 216.241.4103 

 Email [email protected]    www.omniaaudio.com 

 

Omnia Europe 

 Johannistrabe 6 D-85354 Freising Germany 

TEL: +49 8161 42467 

 FAX +49 8161 42402 

 Email: [email protected]    

www.omniaaudio.com

 
 
 
 
 

 

Summary of Contents for Omnia ONE Multicast

Page 1: ...to v1 0 Release Software A Telos Company Omnia 2101 Superior Avenue Cleveland Ohio 44114 USA TEL 1 216 241 7225 FAX 1 216 241 4103 Email info omniaaudio com www omniaaudio com Omnia Europe Johannistrabe 6 D 85354 Freising Germany TEL 49 8161 42467 FAX 49 8161 42402 Email europe omniaaudio com www omniaaudio com ...

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Page 3: ...ill Mohat Ed Zmuginsky Mark Manolio Ted Alexander David Jablonski Scott Stiefel Sean Overberger Betty Ferrell Steve Kiffmeyer Denny Sanders Marty Sacks Mike Dosch Kirk Harnack Mike Uhl Jim Clemenza Armstrong Marc Johnson Ken Skok and a host of others as you can see it s not just Frank anymore It s a great team of people who always maintain one goal in their minds keep raising the bar Steve Church ...

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Page 5: ...he Analog or AES EBU input as appropriate for your installation If your audio source is providing an audio feed you should then see meter activity on the LED bargraph meters 6 While driving the inputs with typical program material at normal operating level navigate back up to the Input Output Input menu by highlighting and clicking on the EXIT option and adjust the appropriate input Level control ...

Page 6: ...Note About Relative Phase 18 AES EBU Digital Input Sync Input and AES EBU Output 19 Ethernet Connection 19 RS 232 Modem Connection DB 9F 20 General Purpose Interface GPI DB 9M 21 Powering Up 21 Chapter 2 Getting To Know Your OmniaONE 22 The OmniaONE User Interface 22 Headphone Level Control 22 Level Meters Processing Bargraphs 22 Audio I O Level Display 23 Processing Meter Display 23 Using the Jog...

Page 7: ...and AGC 35 Mid Band AGC 36 Pres Band AGC Presence Band AGC 36 High Band AGC 36 Low Band Limiter 36 Mid Band Limiter 37 Presence Band Limiter 37 High Band Limiter 37 Mixer 37 Sensus 38 Final Limit 39 Exit 40 Input Output 40 Mtr Select Meter Select 41 Input 41 Output 43 Bypass 44 Save IO Config 44 Load IO Config 45 Delete IO Config 45 Rename IO Config 45 Exit 45 Administrative 45 About 46 Contrast 4...

Page 8: ...53 Diagnostic and Error Messages 53 Electrical and mechanical safety note 54 Narrowing down problems 55 Obtaining Service 56 Via the World Wide Web 56 Via E Mail 56 Via Phone Mail USA and non European Countries 56 Warranty 57 Appendix C Remote Control Software Update Procedure 59 Remote Control 59 Trigger Scripts 59 Software Update Procedure 59 ...

Page 9: ...s the ability to sense what must be done to a signal in order to best tailor it for the following 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 di...

Page 10: ...h 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 OmniaONE Multicast and HD Radio The advent of HD RadioR has introduced the capabilit...

Page 11: ...ticast for audio quality without the audio being first routed through a codec Why The processed output of the OmniaONE Multicast has been pre corrected for the characteristics of the following codec and because of this the audio may contain strange sounding artifacts that will imitate the inverse of what that codec will do Because of this the audio exiting the OmniaONE Multicast may be unpleasant ...

Page 12: ...ed protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the AC wall outlet This will prevent damage to the product due to lightning and power supply surges 13 Overloading Do not overload AC wall outlets extension cords or integral convenience outlets as this can result in a fire or electric shock hazard 14 Object and ...

Page 13: ... has been formally submitted for testing and found to comply with the limits for a Class B computing device pursuant to subpart J of Part 15 FCC Rules and has been designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference and the user and at his expense will be required to t...

Page 14: ...nd data connections NOTE When the unit is operated in an extremely high RF environment it may be helpful to connect cable shields to the XLR connector terminal that connects cable shield to chassis ground not to pin 1 Additionally a 0 01uF capacitor connected between XLR pin 1 and the chassis terminal may be helpful in some instances RoHS COMPLIANCE The RoHS Directive stands for the restriction of...

Page 15: ...it our Omnia website for product enhancement announcements software updates updated user manuals and customer support bulletins The following URLs have been included for your convenience Manual Updates http www omniaaudio com support manuals htm Frequently Asked Questions FAQ http www omniaaudio com support faq htm Tech Tips Support Bulletins http www omniaaudio com tech tips htm Software Upgrades...

Page 16: ...onment The OmniaONE subsystem is a DSP based microcomputer and therefore requires reasonably clean AC power environment just as any modern computer system does And even though the OmniaONE power supply is equipped with robust AC transient suppression we recommend that external transient suppression and or an Uninterruptible Power Supply UPS be employed At transmitter sites there can be heavy trans...

Page 17: ...perly grounded 19 equipment rack Refer to Chapter X OmniaONE User Tips for additional considerations on where to physically locate your processor AC Power Connection OmniaONE utilizes an un switched EMI filtered IEC power entry module OmniaONE s automatic voltage sensing high efficiency switching power supply allows it to operate on AC mains voltages from 100 to 240 VAC and from source frequencies...

Page 18: ...igned for standard analog outputs are available 4dBu balanced signals on two male XLR jacks Pin 2 is Hot Pin 2 is Hot A Note About Relative Phase If the relative phase of your installation including the OmniaONE differs from that of your existing system your announcers may feel that they sound weird in their headphones If this occurs then the relative phase of the processor is 180 degrees from wha...

Page 19: ... studiohub com For your convenience a pair of XLR adaptor cables are supplied with the unit The male XLR lead with the GREEN shrink tubing is used for AES OUT The male XLR lead with the RED shrink tubing is not used The female XLR lead with the GREEN shrink tubing is used for AES IN and the female XLR lead with the RED shrink tubing is used for AES EXTERNAL SYNC IN Ethernet Connection The RJ 45 10...

Page 20: ...32 connector of the Omnia and the external modem Typically this would be 9 pin to 25 pin cable External modems traditionally have 25 pin connectors in DCE configuration The OmniaONE has a 9 pin in DTE configuration so the standard 9 pin to 25 pin cable will work 1 The setup and operation of the Omnia Remote Control application is covered in detail in Appendix C Please note that the Remote Control ...

Page 21: ...rrent software but will be available with a free downloadable software update Please check the Omnia website for new software announcements download links and manual updates at http www omniaaudio com DB 9M GPI Interface Connector Powering Up Now you are ready to power up the OmniaONE for the first time Connect AC power to the unit using the appropriate supplied power cable for your location There...

Page 22: ...el Control A standard TRS stereo headphone jack is located at the left side of the front panel and allows the processed signal to be monitored The Headphone volume level control is physically located to the right of the headphone jack The headphone amplifier itself is a high headroom design and is driven by its own high quality D A converter that is independent of the analog XLR outputs Therefore ...

Page 23: ...shown below To return to the menu display mode simply click the jog wheel once See Using the Jog Wheel on the next Page Notes For any meter a change from a solid bar to a checkerboard pattern indicates a gated condition in that band The wideband AGC and four band AGCs will recover to a resting gain setting which coincides with the RTZ Return To Zero levels set for each band The bargraph for the fi...

Page 24: ... highlighting in a menu downward and increases a value when editing parameters Counterclockwise rotation moves the highlighting in a menu upward and decreases a value when editing parameters Pressing inward on the jog wheel activates the Enter Return or Select button function as follows Pressing the jog wheel inward once also called clicking selects the highlighted menu item or accepts the current...

Page 25: ...enu structure NOTE Some of the longer menus have an Exit option at the top of the menu as well as at the bottom The OmniaONE Main Menu offers five selections Preset Processing Input Output Administrative Lock Front Panel not visible in the above screenshot User Interface Tutorial Input Source Selection and Peak Level Setting The following two exercises are a useful introduction to the user interfa...

Page 26: ...t level setting will result in peak indications on the L R LED meters achieving between 15 and 12 dBFS or a little higher This gain setting corresponds to system headroom of about 12 15 dB You may adjust the input level for more headroom if you wish by lowering the levels to increase headroom Setting the input level for higher meter indications less headroom is strongly discouraged unless there is...

Page 27: ...essing for the coded audio world is quite a bit different than what is done for FM Stereo and AM There are two significant differences and both impact the overall sound of a coded transmission First there is no pre emphasis network in coded audio Second clipping should never be used for peak control In conventional broadcast applications the method of clipping that was used contributed substantial...

Page 28: ...oudness can be accomplished in five ways 1 Alter the following parameters in the AGC Increase the Drive to the AGC sections Increase the Release settings to make the bands operate faster 2 Modify the Multiband Limiter sections Increase the Drive to the Limiter section Increase the Release settings to make the bands operate faster Note that slowing the Attack time by using a lower setting can help ...

Page 29: ...d above and in this order 1 Reduce the Drive to the Final Limiter 2 Back off on the influence of the Limiter stages Reduce the amount of Drive Lower the Release settings in each band to slow down recovery Raise the threshold of the Hold function 3 Ease up on the Wideband AGC sections Reduce the Drive to the Wideband AGC Lower the Release setting to cause it to operate slower Backing off the limiti...

Page 30: ...of lost presence and high frequencies Generally an increase in the Bass boost alone will provide a sufficient enhancement to the low end Bass adjustments should typically be done after selecting the preset you wish to use and the low pass filter that is appropriate for the codec to be used Adjusting processing for coded audio is different than conventional radio While many of the dynamics function...

Page 31: ...and then altering it using the controls in the Processing menu you may change the sound of a preset and then save it with your changes as a user preset for either immediate use or later recall By alternately loading different presets you may compare the sound between them Here in the Preset menu you may select and load presets to use but not save delete or rename them Those operations may be accom...

Page 32: ...s found click This will return the cursor to select mode and you can again turn the knob to select the next character to edit To delete a character Select the character to be deleted click choose the symbol and click again to delete that character Characters can only be deleted one at a time To insert a character between 2 existing characters Select the character just after where the new character...

Page 33: ...eme ways Our advice is to make a limited number of changes at a time make those changes in small increments and then listen to the results for a period of time before making any further adjustments Keep in mind that should you get lost you can always go back to where you started by simply recalling the preset that you started with The factory presets cannot be overwritten Exit Click on this option...

Page 34: ...t release times can result in pumping Gt Thresh Gate Threshold When the input audio falls below a certain level the gain control action of the AGC stage is frozen by the gate The level at which this freeze or hold takes place is controlled by the setting of the Gate Threshold control Higher numbers cause the gate to activate at higher audio levels In most applications this control should be adjust...

Page 35: ...e increased compression a more consistent output from the band Pres Drive Adjusts the amount of gain reduction in the Presence Band AGC Higher numbers result in more drive and because of the increased compression a more consistent output from the band Hi Drive Adjusts the amount of gain reduction in the High Band AGC Higher numbers result in more drive and because of the increased compression a mo...

Page 36: ... the gain of the AGC band to the selected amount of gain reduction See RTZ Level below in the absence of audio RTZ speed controls how fast this adjustment takes place i e how long it takes the AGC to move to the target RTZ level RTZ Lvl Return To Zero Level This control adjusts the gain level to be achieved by the AGC section during lapses in audio The primary purpose of RTZ is to prevent the AGC ...

Page 37: ...is occurs the limiter release is temporarily stopped The result is a drastic reduction in intermodulation distortion and a more open sound even though the audio is still quite dense The level at which the hold takes place is controlled by the setting of the hold Thresh control Higher numbers cause the hold to activate at higher audio levels The action of limiter hold also works in conjunction with...

Page 38: ...audio Increasing the setting adds more SENSUS control Extreme settings those high enough to cause noticeable dulling of the program material are unnecessary and will not further improve the audio quality through the codec Ster Link Stereo Link Under most operating modes this can be set to Low or OFF The link control allows dynamic coupling of the stereo to mono ratio When set to OFF the Sensus fun...

Page 39: ...st offers this feature as a low pass output filter that can be set to one of seven stop band frequencies Each of the filters possess minimal passband ripple and are phase linear below cutoff Response in the filter stop bands is greater than 100dB The following chart recommends low pass filter settings that in our experience best complement the AAC SBR MP3 and Windows Media WMA codecs They were der...

Page 40: ...bmenu Input Output This submenu provides level adjustments for the audio inputs and the absolute peak operating level of the Analog AES 3 AES EBU and Livewire outputs Choices governing the selection of the input audio source Analog AES Digital or Livewire and signal mode Stereo or Mono are also found within these submenus These I O settings are generally set once and forget parameters usually adju...

Page 41: ...io input If at any time audio is restored on the primary input for 1 second continuously the unit will switch back to the primary audio input It will remain with the primary input unless another failure is detected Fover Src Failover Source Failover Source selects which audio input Analog or AES EBU digital will serve as the secondary audio input Note that the audio input that is selected under In...

Page 42: ...rect 180 degree stereo phase errors in the input audio to the processor or in another device after the processor Mono Mode Allows input signal routing to be reconfigured as follows STEREO Factory default Left and Right input channels are routed to the left and right inputs to the DSP processing chain Mono L Configures the DSP processing chain to have both the Left and Right internal channels fed o...

Page 43: ...problems in equipment following the OmniaONE The left channel output gain is not affected by this control and is set using the master Analog Level control previously described AES Level AES EBU Level Adjusts the master audio Output level for the AES Digital Output which appears on the rear panel RJ 45 StudioHUB connector Right Trim Allows a 3dB adjustment of the right digital audio channel gain to...

Page 44: ...n and click Your changes will be saved to the existing configuration preset If instead you wish to save your changes as a new configuration preset with a different name click the jog wheel while Name is highlighted and the editing cursor will appear highlighting the first character of the existing preset name This is select mode If no previous configurations were saved none will vanish and be repl...

Page 45: ...guration rotate the jog wheel until cancel is displayed and click Delete IO Config This option allows a previously saved IO configuration to be deleted To delete an IO configuration highlight Delete IO Config and click Rotate the jog wheel to display the IO configuration to be deleted Click the jog wheel and that named configuration will be instantly deleted To exit without deleting a saved config...

Page 46: ...t octet which when entered may appear as a network address such as 192 168 0 200 Subnet Subnet Mask Accepts data in the form of four octets to describe the Ipv4 network subnet mask of the OmniaONE s network interface The entries have the form of octet octet octet octet which when entered may appear as a network address such as 255 255 255 0 Gateway Accepts data in the form of four octets to descri...

Page 47: ...wheel to highlight the Save button and click to save the password If you wish to cancel without saving the new password rotate the jog wheel to highlight Cancel click to accept and the operation will be cancelled The existing password will be retained Exit Click on this option to return to the Administrative submenu Exit Click on this option to return to the Main Menu Lock Front Panel This is a fe...

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Page 49: ...0 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 co...

Page 50: ... 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 10 100BaseT E...

Page 51: ...Operating Temperature 32 to 122 deg F 0 to 50 deg C for all operating voltage ranges Humidity 0 95 RH non condensing Dimensions 19 wide x 1 75 high x 16 deep 48 26cm wide x 13 335 cm high x 40 64 cm deep including connectors Unit requires one EIA rack space for mounting Shipping Weight 10 lbs 4 54 kg StudioHub is a registered trademark of Radio Systems Telos Omnia Research and Development is const...

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Page 53: ...e OmniaONE problems in the field and also how to obtain help or repair service from Omnia To take complete advantage of this functionality you only need a standard terminal program for DOS Windows or other operating system It must be configured for a default baud rate of 19200 no hardware handshaking and using a terminal emulation for VT100 At Omnia we commonly use the Hyperterminal program that s...

Page 54: ...ectrical and mechanical safety note When the Omnia is operated with its chassis top cover removed you are exposed to potentially lethal voltages OmniaONE Multicast Use and Operation Manual Version 0 90 54 ...

Page 55: ...eel is operational Verification of front panel operation helps narrow down where the problem is Look at the metering display If there is input audio but no output audio indications try cycling the unit s power If that doesn t bring the operation back to normal then a hardware failure of some sort has occurred If you get output levels but have no output audio verify that the outputs are connected c...

Page 56: ...ge caused by improper packaging is not covered under your warranty Note To ensure prompt service the Return Authorization number must be written prominently on or near the shipping label on the box Via the World Wide Web The Omnia Web site has a wide variety of information that may be useful for product support applications information software updates etc The URL is http www omniaaudio com Via E ...

Page 57: ...cidental or consequential damages or for loss damage or expense directly or indirectly arising from the use of any of the Products or the inability of the end user to use any of the Products either separately or in combination with other equipment or materials or from any other cause In order to invoke this Warranty Omnia must receive notice of a warranty claim within the above stated warranty per...

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Page 59: ...e In this event the OmniaONE should still boot into the active bank containing the old software but it is best to avoid interruptions in any case To update the OmniaONE software proceed as follows 1 Download the OmniaONE software update file oup from the Omnia website at http www omniaaudio com support updates htm and save it to a convenient folder on your computer 2 Make sure your OmniaONE s Netw...

Page 60: ...te the software update file downloaded and saved to your computer in Step 1 and click the Update button The file will now be uploaded to the OmniaONE and this may take up to 5 minutes Monitoring of the progress of the upload depends on the browser being used but once the file is successfully uploaded to the OmniaONE the following screen should appear 7 Click the Status Page link Click your browser...

Page 61: ...he Bank that contains the new software version and click the Apply button A new page should appear with the following options Software bank x selected Where x is the number of the software bank you just selected 0 or 1 Return to Configuration Reboot Processor To activate the selected bank now click the Reboot Processor option The processor will reboot and the new software will be activated Once ac...

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