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Vorsis VP8 Plus, Примечание к применению

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The other two pages of GUI Lite… 
 
The ability to make simplified adjustments to Factory presets in order 
to put the VP8 in service is nice, but a way to configure settings such 
as the Input Source and Output Levels are also needed. That’s where 
the other two pages of GUI Lite come in. To find all the controls in GUI 
Lite simply press one of the three navigation buttons at the top of the 
GUI’s navigation bar. 
 

 
Up to now we’ve been discussing the “Adjust Sound” page, as that’s 
the one that most customers will want to play with first. But there are 
two other pages of GUI Lite that need some explanation too, the ones 
that are reached using the “Calibrate Input/Output” and 
“Configuration” buttons.  Below is the Calibrate Input Output page for 
the FM Mode. 

 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

VP8 GUI Lite ‘Calibrate Input/Output’ Page 

 

34

Содержание VP8 Plus

Страница 1: ... Vorsis VP8 Plus Version 3 3 0 and GUI Lite AN2010 01 Rev A January 2010 J Keith Wheatstone Corporation 2010 All Rights Reserved 600 Industrial Drive New Bern NC 28562 USA 252 638 7000 www vorsis com techsupport wheatstone com ...

Страница 2: ... TCP IP address 18 Device configuration connecting to the VP8 processor 21 Setting the input source and adjusting audio levels 22 Setting the output type and adjusting audio levels 23 Taking Presets 24 Tuning audio processing an introduction 25 Why not just one knob 28 How the six Tweakers work 28 About the AGC Depth Tweaker 28 About the Compression Tweaker 29 About the Density Tweaker 29 About th...

Страница 3: ... A new front panel acrylic equipped with the Plus moniker may be ordered by contacting Vorsis Technical Support Hardware Installation Please see the VP8 manual located on the product CD shipped with the VP8 for detailed instructions on installing the product in your facility The manual is supplied in PDF format for ease of viewing and printing The VP8 is shipped from the factory with a default IP ...

Страница 4: ...nu item radically changes as the VP8 mode is changed due to large differences in the controls present in the various operating modes In the following pages the front panel navigation will be examined in more detail NOTE Please use the detail shown in the following sections to determine where the appropriate setup controls will be for your particular VP8 operating mode and installation type PRESETS...

Страница 5: ... processing for codecs utilizing greater than 48 kHz bitrates AAC MP3 48k specialized processing for codecs utilizing less than 48 kHz bitrates NOTE THE VP8 OUTPUTS WILL MUTE WHILE CHANGING MODES When a new operating mode is being loaded into the VP8 s memory the audio outputs will go silent and will remain silent until the new algorithm is loaded This is intentional behavior that prevents clicks ...

Страница 6: ...nted with material that has been highly compressed and possibly also clipped during the mastering process Such material can achieve far higher peak levels after the first stage of signal processing in any modern audio processor not just Vorsis and those signals may not have enough headroom to avoid clipping within the processor if the input level was already too high Said another way if you hear m...

Страница 7: ...h of the six modes follows along with the corresponding GUI Lite output menu below it for comparison L R DE EMPH TX 1 LEVEL dB OUT MODE MPX TX 2 SCA 1 LEVEL dB PREDELAY INPUT SCA 2 LEVEL dB TX 2 LEVEL dB DIGITAL INPUT DIGITAL LEVEL dB ANALOG OUT ANALOG LEVEL dB SCA 1 75uS ANALOG INPUT OUT TX 1 PILOT INJ 50uS FLAT DIG OUT OUTPUT FM L R SCA 2 DE EMPH HEADPHONE SOURCE IN PRE EMPH PILOT ANALOG FM Mode...

Страница 8: ...UT ANALOG 2 DIGITAL INPUT FULL POSMOD OUT MODE NRSC HEADPHONE SOURCE 5 0kHz 6K CCIR DE EMPH OUTPUT AM LEVEL dB ANALOG INPUT PHASE PREDELAY LEVEL dB 5 5kHz B WIDTH FLAT ANALOG OUT STEREO 10kHz NRSC 7 5kHz DIGITAL LEVEL dB 100 150 OUT PHASE AM Mode Output Controls 8 ...

Страница 9: ...FM HD Mode L R Swap HEADPHONE SOURCE OUTPUT FM HD PHASE ANALOG INPUT DIG OUT LEVEL dB ANALOG INPUT DIGITAL INPUT PREDELAY ANALOG OUT DIGITAL LEVEL dB FM HD Mode Output Controls 9 ...

Страница 10: ...AM HD Mode DIGITAL INPUT HEADPHONE SOURCE ANALOG OUT DIGITAL LEVEL dB ANALOG INPUT OUTPUT AM HD INPUT ANALOG LEVEL dB L R Swap PREDELAY DIG OUT PHASE AM Mode Output Controls 10 ...

Страница 11: ...AAC MP3 48kHz Mode L R Swap ANALOG OUT PHASE DIG OUT INPUT DIGITAL INPUT DIGITAL LEVEL dB ANALOG INPUT HEADPHONE SOURCE PREDELAY OUTPUT 48K ANALOG LEVEL dB AAC MP3 48kHz Mode Output Controls 11 ...

Страница 12: ...AAC MP3 48kHz Mode PREDELAY HEADPHONE SOURCE OUTPUT 48K ANALOG INPUT DIG OUT DIGITAL INPUT ANALOG OUT DIGITAL LEVEL dB INPUT ANALOG LEVEL dB PHASE L R Swap AAC MP3 48kHz Mode 12 ...

Страница 13: ...Y MAC ADDRESS All of the parameters in the Network list can be edited except for the MAC address A MAC address is a fixed hardware identification that is intended to be specific to and different for each networked device As is the case with most network gear a Vorsis product s MAC address cannot be changed in the field 13 ...

Страница 14: ...new version ACCESS OLD NEW LOCK CHANGE UNLOCK N Y EDIT ACCESS The Access item allows the front panel security features of the VP8 to be customized A front panel password may restrict access to the front panel controls and can be set or changed when necessary to keep curious fingers out of the adjustments It is not possible to lock the front panel without first setting a password for it Likewise if...

Страница 15: ...inding the perfect sound has never been quicker or easier The GUI Lite tool is designed for those who would rather change the sound of our Factory presets without hundreds of tweakable parameters staring back at them Adjust Sound Tab VP8 GUI Lite Adjust Sound GUI Lite has only three basic pages hosting controls that an end user might need for installing the processor and adjusting its sound The fi...

Страница 16: ...s the Configuration page hosting controls for selecting the processor mode configuring the GUI to communicate with the host Vorsis audio processor and programming the Scheduler Note that for user convenience we ve repeated the appearance of some of the controls across various pages noting that the Input Output and processing related metering are always visible on all three pages Adjust Sound Calib...

Страница 17: ...noting that if the VP8 s Factory default IP address of 192 168 1 198 will work on your network you should skip to step 1 on Page18 1 Before starting the configuration procedure please locate and carefully make a note of the processor s 12 digit MAC Address located on a label either on the top cover or the rear panel This address will be in the format 00 50 C2 23 xx xx where xx xx are the digits un...

Страница 18: ...dow should increment to something other than zero please see the bottom of the image in the Requests figure above 9 When the requests number increments above zero the VP 8 has been programmed with its new IP address and is now ready for use Device Configuration Connecting to the VP8 1 Now that the VP 8 has its own TCP IP identity we must configure the GUI so that it can talk to the VP 8 This is do...

Страница 19: ...ne you may click OK on the Edit Device box 7 Then in the Devices dialog box highlight single left click the VP 8 device that you just added and click the Select button This step tells the GUI specifically which VP 8 you want to connect to next 8 Next click on the Online Offline button just to the left of the Status indicator In the Status window you may see the message Trying as the GUI is handsha...

Страница 20: ... VP and GUI Lite conforms to the expected networking parameters for the host network Unless special routing has been configured by the IT department the controlling PC and the VP 8 must be on the same network subnet As an example if the VP 8 was assigned the IP address 192 168 1 194 then the PC s IP address must be between the addresses 192 168 1 1 and 192 168 1 254 noting that the VP 8 and GUI PC...

Страница 21: ...ut Gain control AES or Analog as required until the input meters are peaking around the 12dBFS Ref marking with normal program levels applied NOTE To ensure proper headroom inside the processor s algorithms frequent peak levels exceeded the 12dBFS Ref marking on the Input meters are strongly discouraged INPUT OUTPUT METERS METERS Setting Output Audio Levels Now it s time to make the audio output c...

Страница 22: ... connector like on the back of VP8 Then navigate to the Calibrate Input Output screen select the checkbox for Analog MPX and adjust the TX 1 and TX 2 controls to set the desired modulation levels A note for the techies When the Analog MPX output mode is selected the balanced Analog Left Right outputs are also transmitting composite stereo not balanced Left Right audio as you might expect If you ha...

Страница 23: ...e the encoder wheel The display will briefly show TAKEN and then begin showing the new preset name If the name is longer than 8 characters the display will scroll the name It s good to remember that our preset names don t necessarily mean that the preset can ONLY be utilized for a format with a similar name Please feel free to experiment and try each preset we provide to see how it sounds on your ...

Страница 24: ...ation s audience hears what radio people hear Changing to a more modern audio processor can make the station sound worse by revealing previously masked problems in the station s audio chain There is almost never enough loudness bass or high end There is no free lunch you must always pick something good to give up in order to get something that you want even more The most important advice that we c...

Страница 25: ...eset the number is 1 771 561 If we take into account just the FM Mode presets we have to multiply the above result by eleven once more to arrive at the new total number of possible sound variations That turns out to be 19 487 171 almost 20 million different sound textures created from just those eleven FM Factory presets and six controls Six controls Why not just one Over the years there have been...

Страница 26: ...ory preset How do the tweakers work Each GUI Lite tweaker moves a group of controls that would normally be associated with GUI Pro Note that the GUI Lite controls are not new controls or even ones that are hidden behind a secret back door Rather they are the same controls that already exist in the GUI Pro version of the graphical user interface The difference is that GUI Lite can move more than on...

Страница 27: ... maxes out Whenever an internal value reaches its limit the GUI Lite control is prevented from going any further in that direction Now let s look at the opposite scenario where the GUI Lite tweaker is being pulled down and Var 3 which is already nearer its lower limit will reach that limit before any others GUI Lite s tweaker might only be able to get down to a setting of 3 before being prevented ...

Страница 28: ...as they do at 30dB Therefore driving the AGC harder won t make the resulting sound denser That task is best left to the Compression and Density controls Compression While the AGC Depth tweaker adjusts how deep the compression is the Compression tweaker adjusts how audible it is Pushing the tweaker up to higher numbers causes an increase in the audibility of compression This effect may be desirable...

Страница 29: ...settings and with some combinations of other GUI Lite settings the loudness versus distortion ouch factor might be reached before the tweaker reaches its 10 setting If it s loud enough or too loud on the air and is also riding the hairy edge of distortion or is already over it simply reduce the setting of this tweaker by a number or two MF HF EQ This tweaker modifies the mid and high frequency equ...

Страница 30: ...The series of graphics below show the default EQ of a sample preset compared to the resulting EQ at the maximum and minimum settings of the GUI Lite MF HF Mid Frequency High Frequency EQ knob 30 ...

Страница 31: ...h a small reduction of energy near 180 200Hz This is one method to enhance bass in an automobile listening environment without exaggerating resonances that can occur near 200Hz In the clockwise direction of the LF Warm EQ control a broad bass equalization is applied creating a warm fat sound on the lower frequencies In the series of graphics below the default EQ of a preset is compared to the EQ a...

Страница 32: ... known starting points within the Factory presets before it can make modifications The only presets that can be modified by GUI Lite are Factory presets 2 Once a Factory preset has been modified by GUI Pro it cannot be modified using GUI Lite Why If a Factory preset has been modified by GUI Pro it is no longer a Factory preset and therefore it is not allowed to be modified using GUI Lite 3 User cr...

Страница 33: ...se created by the Factory using specialized tools Legacy Presets are presets that are created by a customer using the full control program GUI Pro or created and saved by GUI Lite The biggest difference between the two types of presets is that GUI Lite is permitted to modify only Factory presets If while using GUI Lite you receive the Restricted Preset dialog shown below and you know for sure that...

Страница 34: ... the controls in GUI Lite simply press one of the three navigation buttons at the top of the GUI s navigation bar Up to now we ve been discussing the Adjust Sound page as that s the one that most customers will want to play with first But there are two other pages of GUI Lite that need some explanation too the ones that are reached using the Calibrate Input Output and Configuration buttons Below i...

Страница 35: ...age Along with Stereo Generator controls there are others for selecting the Analog or Digital input adjusting the gains for the Analog and Digital inputs setting the High Pass Filter cutoff frequency and selecting the audio source for the headphone output Note that for convenience the headphone volume control appears on all pages of GUI Lite and the headphone source selector is present on both the...

Страница 36: ...e Configuration page This is the one that among other things allows the VP8 to be switched to one of its six specialized operating modes This page also hosts the links to the Preset Scheduler and Device configuration dialogs VP8 GUI Lite Configuration Page 36 ...

Страница 37: ... packet or a bunch of meter packets gets lost Metering data is updated frequently so a few missed metering packets have an inconsequential effect on the visual appearance and no impact whatsoever on the sound What this means to an end user is that the VP8 expects to be able to use TCP port 55890 and UDP ports in the range of 60001 to 60010 on the portion of the network connecting the VP8 and the h...

Страница 38: ...ess the knob in until it clicks which locks those digits in place This will move the flashing cursor to the second pair of digits When the second pair of digits begins to flash turn the knob clockwise until the second two digits of your passcode is showing in the display and then press the encoder wheel in The message OK should appear The front panel should now be unlocked You can purposely lock t...

Страница 39: ...th of information about our products User manuals specialized presets the very latest software and a plethora of application notes in PDF format are available for download It is our goal to design and build the best sounding and most reliable audio processors available Input and product suggestions received from our customers are taken seriously so please feel free to email us techsupport vorsis c...

Страница 40: ...NOTES 40 ...

Страница 41: ...ividual controls Because of its complexity requesting GUI Pro is in effect proclaiming your abilities as an audio processing expert Audio processing experts understand the relevant technical terms and are able to perform deep processing adjustments on any brand of audio processor without needing advice from the experts at the factory who designed it Visit www VorsisProGUI com and sign up to receiv...

Страница 42: ...42 Wheatstone Corporation 2009 All Rights Reserved 600 Industrial Drive New Bern NC 28562 USA 252 638 7000 www vorsis com techsupport wheatstone com ...

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