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DPRO6 FM Audio Processor

© 2016 ITEL Elettronica e Telecominicazioni Snc

3.2.2

Audio input-output

This page allows for selection of on air audio input, changing audio output parameters, setting up the
audio fallback and the source dependent presets.

This page allows for selection of on air audio input, changing audio output parameters, setting up the
audio fallback and the source dependent presets.

For a detailed description of the following parameters, please refer to

audio input setup

e

source dependent presets

Audio Input, Analog InputLevel, Digital InputLevel, Network InputLevel

Bypass InputLevel

Audio OutputLevel, Audio Output Mode, Audio Output Deemphasis
Audio Backup Enalbled
Source dependents presets

Read:

read parameters from the processor

Update:

send changes to the processor

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Summary of Contents for DPR06 FM

Page 1: ...User s manual DPRO6 FM 2016 ITEL Elettronica e Telecominicazioni Snc Author Version Copyright 2 0 0 21 09 2016 A Tomassini ...

Page 2: ...reset 13 Saving a preset 14 2 RDS Coder 14 RDS level and flags 14 PI PTY 14 PS and Radiotext monitor 15 PS Editor 15 RT Editor 16 AF list Editor 17 3 Audio input setup 17 Audio levels monitor and input level setting 17 Audio source setup 17 Audio processor preset selection 18 Audio fallback setup audio backup 19 4 Audio output setup 19 Audio output regulation 19 5 MPX output setup 19 MPX modulatio...

Page 3: ...w 34 PS window 35 Radiotext window 36 AF Lists window 37 Editing 38 A Method 38 B Method 40 Loading and saving RDS coder configuration 41 4 Passcode setup Section 4 RD Link 43 43 1 Radiotext Plus 45 2 Monitor 47 3 Configuration 47 Setup 47 Program ID 47 Radiotext Plus and dynamic PSN 48 TA Clock time 49 Communication interface and additional settings 50 Raw Text Importer 51 Word filter 52 4 Schedu...

Page 4: ...Section 1 Description ...

Page 5: ...w firmware 3 2 features 1 2 Warnings Before attempting any operation please follow the safety instructions contained in the following paragraph The producer declines any liability for damage to people or things due to non compliance even if partial of the following indications Ensure that the supply voltage corresponds to what is indicated on the apparatus Ensure that the electrical system is equi...

Page 6: ...tion and parameter editing is done through the rotary knob 1 4 Rear panel Connectors on rear panel DIG OUT XLR M AES EBU output DIG IN XLR F AES EBU input LEFT IN XLR F left analog input RIGHT IN XLR F right analog input 19K OUT BNC F 19KHz output for external RDS encoder synchronization 1Vpp trapezoidal wave MPX OUT BNC F composite MPX output 6 6dBm SCA IN BNC F external SCA RDS input will be mix...

Page 7: ... submenu Once entered in the desired sub menu if there are adjustable parameters you can proceed to editing Pressing the knob an asterisk will appear next to the first editable element This will not happen if on the current window there are no editable parameters Turn the knob to position the cursor on the other editable elements of the current window If you want now to change the analog input sen...

Page 8: ...cating that items navigation mode is now active and other items can be selected and edited as described before If editing is however terminated press the knob again and the cursor will disappear and you can rotate the knob to navigate to other windows Inside any submenu pressing the knob for more than 3 seconds will cause a jump to the main menu When pressing the knob for 1 seconds will appear the...

Page 9: ...Section 2 Front panel display ...

Page 10: ... compressors limiters are operating correctly if gate indication is on it means that the input signal is below the minimum level so the AGC release is slowed down and the AGC will slowly raise its gain Release AGC release time setting 40 fastest 200 slowest Gate Gate level serring Below this level the AGC and multiband limiter release is slowed down Link set the maximum compression difference betw...

Page 11: ...re adjustable in order to apply a dynamic equalization according to the user s taste Lowering the limiting threshold of any band will result in attenuating the level of that band while raising the threshold will amplify its level The six bands cutoff frequencies are B1 100Hz and below B2 400Hz B3 800Hz B4 1600Hz B5 3200Hz B6 6400Hz and above 2 1 5 Bass parametric eq BassEqFreq parametric equalizer...

Page 12: ...es the 30Hz high pass filter for infrasonic component reduction 2 1 7 Loading a preset The AIR field shows the on air preset name while in the TRY field can be specified the name of a new preset to load Once selected the desired preset go on the COMPARE label which will start to flash When COMPARE is flashing pressing the front panel knob will cause the TRY preset to go on air while the previously...

Page 13: ...e processor in bypass mode when any of the two sources are selected it will be possible to compensate the differences in audio levels if any adjusting their input levels from the audio input menu If one of the sources is the Analog channel we recommend to set the input level of the AD converter in coarse 6dB steps then use the bypass input level for fine tuning of Analog source then adjusting the ...

Page 14: ...r level TP ON OFF sets the TP flag status TA ON OFF sets the TA flag status RT ON OFF radiotext enable MS MUS SPC sets the MUSIC SPEECH flag status COMPR ON OFF sets COMPRESSED flag status ARTIFICIAL HEAD ON OFF sets ARTIFICIAL HEAD flag status The mono stereo flag is switched automatically depending on the MPX modulation type selected 2 2 2 PI PTY PI PI code setting PTY Program Type settings Chan...

Page 15: ...s display time in seconds of the currently selected string A duration of zero will disable the display of the string SAVE Save the modified item DEL delete the selected item User must save changes before selecting a new string or before exiting the window otherwise they will be lost 2 2 5 RT Editor In this window you can enter and edit RT strings that will be displayed by the receiver each of whic...

Page 16: ...to the selected list Freq selection of the frequency number in the list from 1 to 25 to be edited Freq INSERT Insert a new frequency in the Freq position The other frequencies in the list will be shifted accordingly Freq DELETE the current frequency will be deleted List SAVE saves the changes List CLEAR deletes all frequencies in the current list Notes The list once modified will be used only afte...

Page 17: ...will not be put on air To change the on air input channel the following window must be used 2 3 2 Audio source setup Audio input Analog analog input Digital AES EBU input SDI or NetAudio streaming audio input The initial adjustment of the input level should be made so that the maximum analog input level is equal to or only slightly above that limit In no case the front panel CLIP led should light ...

Page 18: ...n backup source OnAir audio source actually on air I1 I2 I3 Channel list The channel are listed by order of priority with maximum priority assigned to channel 1 When an high priority channel will become unavailable it will be replaced by a lower priority one until its recovery AlmTime Alarm timeout Back Time Back timeout It is the time for which the main audio source must be above the minimum thre...

Page 19: ... clip flt output signal is taken after clipper and lowpass filter Pre filter output signal is taken prior the lowpass filter but after the clipper Pre clipper output signal is taken before the clipper 2 5 MPX output setup 2 5 1 MPX modulation and pilot subcarrier setup Modulation stereo mono l r mono L mono R Stereo stereo modulation Mono L R monoaural modulation from L R channels sum Mono L Mono ...

Page 20: ...g to the level of injection of the two subcarriers otherwise overmodulation will occur For example if a RDS subcarrier of 2KHz and a pilot tone of 6KHz are desired the audio signal level can not be greater than 100 1 PilotCarrierDeviation RDSCarrierDeviation 75 which for the example described above will correspond to 100 1 6 2 75 89 3 Composite level MPX output level Test tone when activated will ...

Page 21: ... long label which will be shown in the main menu screen useful for identification when multiple devices are installed 2 6 2 PassCode Setup User Password in this section the user can enter a numeric password that will be required for accessing the device Setting 0000 default value will disable the password prompt Autologout mins Automatic lock timeout If no action is done on the front panel knob wi...

Page 22: ...6 5 Options In this window the user must enter the code to enable the optional features Once entered the code for the desired option go to the ENTER button and when it will flash push the front panel encoder The device will verify the code and if found correct will activate the requested option 2 6 6 Login window To protect the device from unauthorized operation a security code can be enabled by a...

Page 23: ...ttempt an unlock code will be displayed Call customer service and tell this code in order to get back your pass code 2 7 Headphones Level The headphone level can be adjusted using the front panel knob Pressing the knob for more than 1 second will show the adjustment level menù After 3 seconds the level menù will close automatically ...

Page 24: ...Section 3 Programmming software ...

Page 25: ... serial port 9600 baud 8N1 ethernet port TCP IP if optional streaming module is installed ethernet port UDP if optional network module is installed 3 1 Main window In the main window the type of connection can be selected via COM port or through Ethernet port using TCP IP needs streaming module or UDP needs ethernet module Once the communication mode is set up and the processor connected press Con...

Page 26: ...n air the presets list and the audio processing parameters All presets are listed and with a double click is possible to recall a preset and put it on air Factory presets are displayed in blue background user definable presets in green and in orange a modified preset not yet saved The modified preset in orange will be usable until a new preset is loaded and then modified ...

Page 27: ...ce Bass Clip Threshold Bass Clip Softness Bass EQ Bass EQ Q Bass EQ Freq Expander Level Stereo Expander Enabled Read read the parameters setup from the processor Update send the modified audio processing parameters to the processor when a factory or a user preset is modified a temporary preset will be created The Save Onair button will be enabled to save the preset once changes are terminated The ...

Page 28: ... changing audio output parameters setting up the audio fallback and the source dependent presets For a detailed description of the following parameters please refer to audio input setup audio output setup e source dependent presets Audio Input Analog InputLevel Digital InputLevel Network InputLevel Bypass InputLevel Audio OutputLevel Audio Output Mode Audio Output Deemphasis Audio Backup Enalbled ...

Page 29: ...ed to the optional network module only If the streaming module was installed network configuration will be done through the web server of the module For a detailed description of the following pararmeters please refer to MPX output setup and System setup RDS Enabled RDS level Pilot Level Pilot Phase Modulation Preemphasis MPX Output Level MPX Audio Level NET IP NET MASK NET GATEWAY NET PORT Read r...

Page 30: ... 3 2 4 Loading and saving a preset The remote control software allows to load and save the audio processing presets through the File Processor menu Save Usr Presets to Disk the on air preset will be saved to disk Load Usr Presets to Onair the preset loaded will be put on air ...

Page 31: ...te control software allows to load and save the system configuration through the System menu and this includes all parameters listed under System and Audio Input Output tabs Save System config to Disk the system configurationi will be saved to disk Load System config from Disk the system config preset loaded in ...

Page 32: ...rred by the listener PI Program Identification Identification code of the station The code consists of 4 digits the first digit indicates the country of origin the second represents the area of coverage and the last two identify the station into its coverage area First digit the country of origin of the program You may write it directly into the PI Code editbox or select it using the Country dropd...

Page 33: ...ffic Announce on air This flag should be set when traffic related news are being broadcasted For this reason the TA flag can be switched by the external control port MUSIC This flag indicates if the station main format is music or speech Some receivers use this information to apply a different tone equalization or volume according to whether music or speech is being broadcasted It is possible to s...

Page 34: ... display duration time in seconds A duration time of 0 disables the corresponding string READ read all PS strings from the encoder Warning all strings on the grid will be overwritten WRITE transfer all strings on grid to the coder Warning the strings on the coder will be overwritten WRITE MODIFIED transfer only modified entries CLEAR ALL clear all strings which are on the grid CLEAR SELECTED clear...

Page 35: ... duration time in minutes A duration time of 0 disables the corresponding string READ read all radiotext strings from the encoder Warning all strings on the grid will be overwritten WRITE transfer all strings on grid to the coder Warning the strings on the coder will be overwritten WRITE MODIFIED transfer only modified Radiotext entries CLEAR ALL clear all strings which are on the grid CLEAR SELEC...

Page 36: ...d in the way the frequencies are disposed into the list Notes It is not possible to compile different lists using the A and B simultaneously A method should be used only when the network has a maximum of 25 frequencies and does not differentiate regional programming B method is used when the alternative frequencies are more than 25 or when within the same network there is a program differentiation...

Page 37: ...ist Af list 1 cell AF1 Right clicking on the list a popup menu will appear allowing to Clear list the current list will be cleared Sort frequencies the frequencies inserted into the current list will be sorted in ascending order Insert insert a new frequency at the selected cell position Remove remove the frequency at the selected cell position ...

Page 38: ...lly addressed by transmitting the tuning frequency paired with one alternative frequency within one block Each list starts with the tuning frequency for which the list is valid All remaining pairs up to 12 give the tuning frequency together with a valid AF Usually the tuning AF pair has to be entered in ascending order if the AF is not a regional variant of the tuning frequency on the contrary the...

Page 39: ...onica e Telecominicazioni Snc I The main frequency 90 0MHz is put in the first AF cell AF1 and all alternatives are following from AF2 to AF6 Right click on the list and select the Build B List command the list will be compiled using B method ...

Page 40: ...onfiguration The remote control software allows to save and reload a complete RDS coder configuration through the File RDS menu Load Configuration Save Configuration The rds file will contain the whole RDS encoder configuration it can be stored as a backup or used to transfer the configuration to other devices ...

Page 41: ... be changed through the following procedure Put the current Passcode into the PassCode edit box 0000 by default Put a new code into the New Code and the same again into the New Code Confirm editor Go to Menu PassCode Change Passcode The user will be prompted for passcode change confirmation then the passcode will be changed Store Password to disk store the current passcode to not enter it each tim...

Page 42: ...Section 4 RD Link ...

Page 43: ...omation systems but other interfaces may be included on customer request in order to extend the compatibility to other systems 4 1 Radiotext Plus Radio text plus is a complementary service that united with classic radiotext enables tagging of specific radiotext parts so that they can be isolated and used by some specialized receivers You can then for example have the complete station playlist aire...

Page 44: ...d which is the song title In this case the song title and artist s name are used to compile the playlist aired by the station we are listening In the case below the radiotext string is You are listening to Shakira with La tortura Feat Alejandro Sanz and both normal radiotext and tagged radiotext are shown first string is the artist name the second is the song title last string is the normal radiot...

Page 45: ...trings are shown in the same way as they are being transmitted It is shown also the status of TA CT RT flags and scheduler TA Orange TA flag active during traffic news on air Gray TA flag disabled CT Green transmission of Clock Time block 4A for remote clock visualization and synchronization is enabled Gray CT is disabled ...

Page 46: ...g actually shown is tagged using radiotext plus Gray Radiotext Plus is disabled SCHED Green scheduler is enabled Radiotext Plus is enabled Red scheduler is enabled but actually Radiotext Plus is disabled by the scheduler Gray scheduler disabled Radiotext plus tagging is controlled by the flag Enable RT ...

Page 47: ...automation system will be passed to radiotext only if this flag is enabled You can also add a prefix and a separator to the string which will be put on air Please note that the maximum length of radiotext string in block 2A is 64 characters If the total length of the string including prefix and separator will be longer than this limit it will be truncated automatically Send RT titles to PSN Enable...

Page 48: ...PSN only at the end of the internally stored strings Eg internally stored strings are MY RADIO THE BEST IN TOWN loop Without Sync Start MY RADIO BEATLES HELP THE BEST IN TOWN MY RADIO THE BEST IN TOWN loop dynamic PS strings are bolded With Sync Start MY RADIO THE BEST IN TOWN BEATLES HELP MY RADIO THE BEST IN TOWN loop dynamic PS strings are bolded Restart from first PSN item after DyPs if enable...

Page 49: ...me Radiotext Plus string visualization If this period is exceeded the coder will start to send the internally stored RT strings returning to dynamic RT once a new string is received Show log show program activity log Center PSN auto center the strings displayed on PSN if they are shorter than 8 characters Use scheduler for dynamic contents enable scheduler for dynamic radiotext plus and PSN activa...

Page 50: ...n the Separators editor In the above example the input string SHAKIRA La tortura is divided using the separator This will produce two output lines line 0 La tortura line 1 SHAKIRA Then using the controls Artist item and Title item set which line must be used as title and which one as the artist name using identifiers eventually included in the raw file if the raw file was already marked with label...

Page 51: ...isualization on dynamic radiotext and PS of all strings which match any word in list Words are added writing them in the editing line then must be set the recognition method Whole Word or Any Occurrence Pressing the Add button the new word will be added to the list Whole word the word to be recognized must be correspond exactly to the input string Example filter word apple apple is recognized and ...

Page 52: ...00 every day except on Sundays where it will be active for the entire day So an event must be created scheduled for 8 00 am set into Start Time box having Enabled status checked Pressing the Add the button the event will be added to the events list We have that the dynamic content will be disabled from 00 00 to 8 00 then for the event we created from 8 00 onwards it will be enabled Now the dynamic...

Page 53: ...vent at 23 00 In the following picture is represented the complete programming Summarizing firstly the dynamic content enabling was added at 8 00hr then the disabling event at 12 00hr the re enabling at 18 00hr and the disabling at 23 00hr Since this scheduling will be the same for almost the whole week it can be simply copied to the other days pressing the Same for all days button ...

Page 54: ...same for all days Done this you will then modify the sunday scheduling only where the dynamic content will be enabled for the whole day Select the week day on the top of the window Sun Press the Clear button to delete all scheduler entries for the current day Once all entries have been deleted just add an event starting at 00 00 with Enabled checkbox checked to enable the dynamic content ...

Page 55: ...utton to save and exit from the current window Follows a short description of the other controls on the window Remove removes the currently selected entry Update updates the currently selected entry with new time and or status informations Clear all schedules deletes all entries over all days ...

Page 56: ...Section 5 Streaming audio module ...

Page 57: ...processor directly to a PC network card then use the supplied utility module_finder exe to recover its IP address Connect the apparatus to your LAN and turn it on Open a web browser on a PC from which the apparatus can be reached and type on the web browser s address bar http 192 168 1 100 The audio module internal webserver should then load the default page Go to the CONFIG menu and set one or mo...

Page 58: ...s setting can also be omitted since the processor will provide for automatic leveling The preset for the network input can be chosen into the next window after netaudio input has been selected into the current If you want to use more than a single audio source for using the integrated automatic audio fallback proceed to its selection and its associated audio processing preset Finally turn the audi...

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