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Technical Specifications

We are constantly working to improve our products. Specifications and features are subject
to change without notice. Audio quality is measured through VOLT’s entire chain but with
processing controls turned off.

System

Frequency Response:

User selection of flat, 50 µs, or 75 µs pre-emphasis curve within ± 0.50 dB,

30 Hz to 15 kHz.

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:

Audio >95 dB analog, >120 dB digital i/o.

System Latency:

16ms nominal, +- .5ms depending on I/O selections

Input / Output

Composite:

Output impedance 75

, single-ended and floating over chassis ground. BNC con-

nectors with EMI suppression. Maximum cable 100’ / 30M RG-58U.

♦

Output level: separately adjustable for each of two outputs, 0V - 10V in 0.05V steps.

♦

Pilot Level: Adjustable from 4.0% to 12.0% in 0.1% steps and OFF.

Pilot Stability: 19 kHz, ± 0.5 Hz.

S/N: -85 dB typical, 75 µS de-emphasized across 15 kHz, at 100% modulation.

Distortion: < 0.02% THD 20 Hz – 15 kHz, 75 µS de-emphasized @ 100%.

♦

Stereo Separation: > 65 dB, 30 Hz – 15 kHz.

Linear Crosstalk: > -80 dB, main to sub or sub to main channel @ 100%.

Non-linear Crosstalk: > -80 dB, main to sub or sub to main @ 100%.

38 kHz Suppression: > 70 dB @ 100%.

76 kHz Suppression: > 80 dB @ 100%.

Pilot Protection: > -65 dB relative to 9% pilot injection, ± 1 kHz.

57 kHz (RDS/RBDS) Protection: > -50 dB.

Содержание Volt

Страница 1: ...air excitement and ultra clean sound in a versatile and convenient package MULTI USE AUDIO PROCESSOR INSTALLATION AND USERS GUIDE Software Version 1 0 FM DSP Core April 2017 For Part Number 2001 0043...

Страница 2: ...the primary parts even when the fuse has blown If fuse replacement is required replace fuse only with same type and value for continued protection against fire WARNING The product s power cord is the...

Страница 3: ...ce to tv or radio reception can occur if other devices are connected to this device without the use of shielded interconnect cables FCC rules require the use of shielded cables CANADAWARNING This digi...

Страница 4: ...are deemed to have Your own direct license from the original licensee Telos does not modify these libraries in any way Telos hereby offers to You upon Your request and for the actual costs of materia...

Страница 5: ...need your unit s serial number located on the back of the unit We will issue a return authori zation number which must be written on the exterior of your shipping container Please do not include cable...

Страница 6: ...ate your coverage online at TelosAlliance com product registration TheTelos Alliance 1241 Superior Ave Cleveland OH 44114 USA 1 216 241 7225 For Omnia Support 24 7 telephone 1 216 622 0247 Email suppo...

Страница 7: ...p 9 4 FrontPanelandLCD 14 Front Panel Meters 15 Using the JogWheel 16 VOLT Front Panel Menu Map 19 5 Browser basedRemoteControl 21 Logging In 21 Remote Screen 24 Remote Control Map 27 6 VOLTProcessing...

Страница 8: ...types of broadcasters can excel in this ever evolving digital world Omnia Audio not only lets you stand out on the dial with your unique signature sound via legendary audio processors audio codecs an...

Страница 9: ...r station a competitive exciting market leading sound that gets and holds listeners Now with Omnia VOLT we ve gone even further We ve rewritten the rules for broadcast DSP fine tuning our algorithms t...

Страница 10: ...an extra hand on the clipper to stop distortion when the L R channel gets boosted by mono signals Omnia VOLT is fast setup and ease of use while giving you absolute control of every important paramet...

Страница 11: ...ity baseband clipping to feed uncompressed STLs or at the transmitter with dual composite outputs Use VOLT for AM Broadcast with purpose built presets for the challenges of AM radio VOLT s Tunable Asy...

Страница 12: ...ch input You can save and recall custom input output setups for different applications Switchable insert points for Voltair watermark encoders or other downstream encoding You can feed encoders with a...

Страница 13: ...BU digital or Livewire sources They allow automatic failover signal switching if your main program source fails They let you insert watermark ID encoders and our Voltair watermark processor after your...

Страница 14: ...you re using an audio input monitor transmitter or STL navigate to Input Output Output and adjust the appropriate Level for the next device Exit back to Input Output 7 Navigate to Output FM Options an...

Страница 15: ...ys later Exit back to Main Menu 11 Navigate to Save Preset and provide a name for the settings you just created This can serve as a baseline while you do step 12 12 Read the rest of this manual Learn...

Страница 16: ...on the air but break the lossy compression schemes in some STLs The result that the STL will create extra distortion and lack of clarity before the signal even gets to the transmitter This warning al...

Страница 17: ...istributes the weight better Live studio VOLT does not have an internal fan and can be located near a live mic This makes our Multicast DSP Core version ideal for high quality podcasting and other sma...

Страница 18: ...t don t have to be the same mode one can be analog for example while the other is AES EBU though this rarely occurs in practice Insert points are designated using VOLT s network Remote Control See tha...

Страница 19: ...ions These are usable only if your VOLT is running an FM or FM Stereo Generator DSP Core Composite Outputs These are identical 75 outputs to feed a multiplex signal to your transmitter s Each is sepa...

Страница 20: ...a 1k resistor If triggering from a logic source the source s continuous positive voltage should go to pin 2 and each output should pull its corresponding input pin low when active Systems using TTL le...

Страница 21: ...m inal power is 1A at 110 V 5A at 240 V Actual consumption is around 15 watts during normal operation VOLT should be connected to a grounded outlet according to local codes VOLT does not have a power...

Страница 22: ...w preset Headphone Gain Reduction Output LCD Jog Input level Wideband Individual Bands out volume AGC Limiter Mid MidHi Low MidLo Hi Mid MidHi Low MidLo Hi 11 Gate LEDs etc Composite Left Right Power...

Страница 23: ...bottom LED of each stack lights when that section s Gate is activated There are 6 AGC meters wideband then the five individual frequen cy bands and 5 Limiter meters one for each frequency band About...

Страница 24: ...three distinct ways Turn the wheel Rotating the wheel clockwise moves the highlighted selection on the LCD downward through menu options or to the right through fields where you can enter numbers or...

Страница 25: ...hen your selected choice is highlighted tap the wheel to enter that submenu Or a screen might let you choose values like this one Mono Mode STEREO Input Mode LW Level 0 0dB Right Trim 0 0dB Invert Non...

Страница 26: ...characters tap to confirm scroll to the next and so on When the complete name or number has been entered tap again to go to the next field Then don t tap again instead turn the wheel to select other...

Страница 27: ...eo Mono L Mono R Mono L R Swap Exit Processing Menu Preset QuickTweak Save Preset Delete Preset Rename Preset Exit QuickTweak Menu Compr Depth 10 10 Density 10 10 Clip Drive 10 10 Lows 10 10 Highs 10...

Страница 28: ...select Output on the submenu that appears tap the Jog Wheel then select and tap Tone Gen This is probably intuitive to anyone who s worked with modern digital gear Almost all of the functions shown a...

Страница 29: ...d otherwise manage presets Upload CORE DSP functionality and firmware updates Perform system maintenance including network and password settings selection of running firmware and factory diagnostics P...

Страница 30: ...assword Sophisticated IT users can configure the network to restrict access even with a password or extend a virtual network beyond your station s plant VOLT uses HTML5 without Java or other plug ins...

Страница 31: ...are packages reboot the processorA and perform diagnostics when advised by our support team About Displays information about your system and Telos factory support Logout Clicking this tab disconnects...

Страница 32: ...Con guration About Logout I O PROCESSING INPUT ANALOG AES LIVEWIRE COMPOSITE INITIAL AGC LIMITERS FINAL PRESETS BackEMF BigFuse CircuitBreaker Electra Fact_Test HotWire KILOWATT MEGAWATT SuperConduct...

Страница 33: ...segment of each AGC meter will turn red when gating is engaged There s a rectangular button below each set of meters These activate a higher resolution version of the meter set on the left side of the...

Страница 34: ...function names will be familiar to any broadcast engineer Some of the processing adjustments however are unique to VOLT They re described in the next chapter The next page is a reference map so you c...

Страница 35: ...Efx Meters Pre proc HP Filter Freq Phase Rotator Voice Detect Voice Gain WB AGC Processing Active Bypass Drive Attack Release Accel Release Activity Gate Thresh RTZ Level RTZ Speed Enhancers Processin...

Страница 36: ...nce VOLT uses to process your signal so you know which algorithms will be affected by the ones that come earlier VOLT terminology We ve used standard audio processing language whenever possible But we...

Страница 37: ...ile actually lowering distortion Starting with the default setting for a preset adjust Drive down in 0 5 dB steps until the loudness drops just below what you want Then bring it up slightly from there...

Страница 38: ...ou might want to get a bit deeper VOLT has more than 140 routing and processing settings Feel free to explore all of them in your search for sonic perfection And don t worry about making a mistake if...

Страница 39: ...ement can help keep your stereo soundstage consistent and exciting across a variety of different recordings Take it in small doses Plan to do a little adjusting at a time perhaps in half hour segments...

Страница 40: ...CHAPTER 6 32 VOLT PROCESSING...

Страница 41: ...at 150 Hz compensating for some program material Be careful The Phat Bass warning applies Also the resonant frequency of many automobile interiors lies in this range too much warmth may sound tubby i...

Страница 42: ...open sound even though the audio is still quite dense This also works in conjunction with the AGC s Gate Bass and Broadband Clippers Bass Tight Clip Hard clipper just on the bass notes to keep them f...

Страница 43: ...00 AM 5 00 PM USA Eastern Time weekdays There s full contact information at the end of this chapter and at the end of this manual Features and operations of VOLT are determined largely by software Tel...

Страница 44: ...n I O selections Input Output Composite Output impedance 75 single ended and floating over chassis ground BNC con nectors with EMI suppression Maximum cable 100 30M RG 58U Output level separately adju...

Страница 45: ...gic levels 5 V and ground supplied Ethernet 10 100BaseTX Ethernet on EMI suppressed RJ 45 TCP IP control via HTML 5 internal web server password protected Manual addressing and port selection Electric...

Страница 46: ...es ii has been improperly installed or misused including without limitation the failure to use telephone and power line surge protection devices iii has been damaged by accident or neglect As with all...

Страница 47: ...iscretion repair or replace the warranted Product and return it to the end user at Telos expense If the Warranty Claim Notice Date occurs between the end of the second 2nd year following the Receipt D...

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