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D*AP4 

    5 

 

Block Diagram 
 

 
The above schematic shows the principal blocks of the D*AP4. 

 

The core of the unit is the audio processor with 4 inputs and 4 outputs. 

 

An AES I/O on the motherboard is provided for digital line operation. The respective connectors have relay 
bypass for power fail operation. The bypass ciruit may be disabled by an internal jumper. For the 2 channel 
version only one AES I/O is fitted. 

 

An interface slot is provided to carry optional 3G / HD / SD-SDI, AES I/O, MADI, DANTE or even analog 
expansion modules. It allows for extremely flexible interfacing of the D*AP4 in TV or radio installations. 

 

The sync. circuit can deal with all formats to integrate the D*AP4 into digital facilities with a sample rate from 
44.1 or 48kHz. Other devices may be synchronized by the word clock output of the D*AP4. 

 

The D*AP4 has 8 balanced GPIs and 8 relay closure GPO contacts. This enables the user to simply recall 
presets or call events, change device configurations and report general status information. 
 

Содержание D*AP4 FLX

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Страница 4: ...rnal sync IN 75Ohm input Word Clock AES Black Burst Tri Level Sync OUT 75Ohm Word Clock output Software Features in general The D AP4 may be purchased as a Level Magic Edition and will appear as D AP4...

Страница 5: ...ce Local Routing 27 Setup GUI INTERFACES SDI I O Interface Setup 28 Setup GUI INTERFACES SDI I O Interface De Embedder 28 Setup GUI INTERFACES SDI I O Interface Embedder 29 Setup GUI INTERFACES MADI I...

Страница 6: ...s Bypass Actions 71 Technical Data 4 Channel Audio Processor D AP4 LM EDITION D AP4 FLX 72 Technical Data Option Board SDI I O 3G HD SD O_DAP_SDI_a 73 Technical Data Option Board Analog Out O_DAP_8DA_...

Страница 7: ...zes incoming audio and compares its spectrum with a predetermined reference curve This allows dynamic EQ corrections to be applied if necessary to give a consistent sound impression Spectral Signature...

Страница 8: ...d balance The status of both PSUs are combined with other status information and displayed as back light color the front panel display STATUS shows the status of the device controller INIT pressing th...

Страница 9: ...tted An interface slot is provided to carry optional 3G HD SD SDI AES I O MADI DANTE or even analog expansion modules It allows for extremely flexible interfacing of the D AP4 in TV or radio installat...

Страница 10: ...opriate browser on iOS or Android An SNMP agent may be activated to incorporate the device into a station monitoring system For 3 rd party remote applications Junger Audio highly recommends using the...

Страница 11: ...Connect the BNC SYNC IN to the Black Burst reference of your TV station Hook up the device to the station PC network Consult your IT administrator for assistance if you are not sure about this procedu...

Страница 12: ...ogram Here you must select the virtual COM port assigned by the OS The communication parameters are 115200kBaud 8 N 1 no hand shake Pressing ENTER will open the console menu 2014 08 22 12 01 Your choi...

Страница 13: ...t patch or a cross over cable if the PC does not support Auto MDI X or via a switch Open a browser and type the default IP address of the D AP4 into the URL field and press ENTER This will open the AU...

Страница 14: ...you may fire pre defined hotkeys and observe the loudness of the processed programs Because this is the main operating display the ESC button lights red to indicate that the power up display is below...

Страница 15: ...how to set parameters via the X AP E g if you press Input all parameters for the input function block will be accessible Here you are at the input section of the first program The Shift button again t...

Страница 16: ...control The examples above demonstrates the general way how to setup parameters of the AUDIO PROCESSOR of the D AP4 VAP Select a parameter Change it by using of the Rotary Encoder Push it to toggle st...

Страница 17: ...ter 6 Nicerizer 7 Panic 1 8 Panic 2 ESC will jump back to power up display MENU opens upper operating display Hotkey 1 empty 2 Audio Processor opens up the function block selection Hotkey Hotkey after...

Страница 18: ...page due to caching of the browser In the top section you see several bar graph displays for signal levels as well as for gain reduction display of several function blocks On the following pages we wi...

Страница 19: ...Sync Lock Turns red if the external sync source is lost or unstable Processing Status Bypass Turns red if Bypass is activated Interface Status AES I O Turns red if an AES input that is internally in...

Страница 20: ...ing the options installed in this example SDI interface placed into the interface 1 location see rear view You may click on the boxes and the respective setup page will open The navigation is based on...

Страница 21: ...f the operator attempted to change it Enable ON OFF The administrator may turn authentication OFF Change Password for admin operator Select which password you will set change Password type in a passwo...

Страница 22: ...or download If you experience unexpected behavior of the device you may be asked by the Junger service team to send such file by e mail for analysis Setup GUI SYSTEM Setup Program Configuration 2 x 2...

Страница 23: ...LR Input AES 1 2 BNC Select from which physical input the AES sync must be taken Accept SDI Generator ON OFF For rare application you may use the SDI generator if an SDI I O interface is installed as...

Страница 24: ...hat connects with this D AP4 for the first time The other lines are used to pre define features for known X APs When connecting from an unknown X AP the respective IP address will be inserted automati...

Страница 25: ...cking the small pencil icon Now the default name becomes italic and you may edit that name If you have selected the new preset or one of the existing presets indicated by the name displayed at the top...

Страница 26: ...data and assemble it to an XML file Finally you will get a pop up message You must select Save File After pressing OK the system file dialog opens Select a folder and alter that default file name if...

Страница 27: ...ind the respective firmware file which you have unzipped before and press start update After finishing the procedure the device will automatically reboot You may also update the firmware of an install...

Страница 28: ...ay Bypass ON OFF For fail save operation bypass relays are provided to connect AES IN OUT in case of a power fail One may enable such relay manually here Input Sample Rate ON OFF Converter For asynchr...

Страница 29: ...y be deactivated inside the D AP4 You must open the cover plate from the D AP4 unit and locate the red jumpers shown in the schematic below AES 1 2 on the main PCB AES 3 4 on interface slot 0 You must...

Страница 30: ...SDID selected in the de embedder set up as a pre selected stream Audio Embedder AUTO Embedding AUTO Replace Audio OFF Delete Status Group 1 4 The embedding process distinguishes between 4 different mo...

Страница 31: ...e scroll bar to navigate through the matrix In the upper left hand corner you can select between the ONAIR and the PRESETS view of the matrix On the ON AIR page you will also see the device signal lab...

Страница 32: ...elect between stream 1 or 2 for embedded audio See SMPTE 425M for details Test Pattern Generator The interface offers a test generator to either check downstream connections during installation or for...

Страница 33: ...de will be automatically set to Non Audio AKA other for both channels if for example an adjacent pair 1 2 3 4 carries a Dolby E stream VANC Metadata The embedder can insert one Embedder Dolby metadata...

Страница 34: ...IN 1 8 and MDOUT 1 8 These channels can be routed to and from any of the local routing sources MADIRX 1 64 and MADITX 1 64 respectively MADI Receiver Status Locked Locked Async Error The timing of the...

Страница 35: ...INTERFACES MADI Interface Local Routing Below are some excerpts from the local routing pane Single channels from or to the D AP may be connected with the MADI transmitter or MADI receiver respectively...

Страница 36: ...ngle standard IP network The network infrastructure for AoIP must be able to handle the IP multicast The recommendation is to separate the control network from the audio network For details pls refer...

Страница 37: ...be set to Dante Network if this module is to become the Preferred Master of the network Sync Status Unlocked Locked Locked Async The sync source for the DANTE interface is the DANTE network If no netw...

Страница 38: ...puts Beside a few more devices on that network we see the unfolded outputs of a DanteVirtualSoundcard VSC named VSC MARTIN on the upper right hand side The top horizontal area shows the transmitters w...

Страница 39: ...operation one will not see much of it Set up GUI INTERFACES Dante I O Interface Outputs Outputs The signals from the DANTE board to the network They will also appear in the device ROUTING section Cha...

Страница 40: ...off the shelf office switches Doing so will cause a race condition where IP packets are circling around from the external switch to the second Dante switch port and back via the first port This will t...

Страница 41: ...ay Bypass ON OFF All Channels Power fail bypass relay that may be activated from the GUI Analog Input Calibration 0 15 0 24 0 dBu level for digital 0dBFS A D conversion parameter It defines the analog...

Страница 42: ...UI Input Sample Rate ON OFF Converter Output Channel Status Transparent Prof PCM Prof Non PCM Cons PCM Cons Non PCM Controls the channel status for the AES output It provides a set of useful channel s...

Страница 43: ...sued by the respective function block or I O interface e g 1L 1R for AES or 2L 2R for DSP 3 4 and so forth Top horizontal column headlines signal destinations DSP DSP 1 DSP 4 The DSP inputs carrying t...

Страница 44: ...and EMB 1 EMB 16 MADI O_DAP_MB_a MDIN 1 MDIN 8 and MDOUT 1 MDOUT 8 O_MO_MM_a _MS_a DANTE O_DAP_DANTE_a DTIN 1 DTIN 8 and DTOUT 1 DTOUT 8 4 Ch ANALOG I O O_DAP_ADDA_a ANL 1 ANL 4 and ANL 1 ANL 4 AES O...

Страница 45: ...udible glitches or clicks Program 1 Display of the actual latency Program 2 Display of the actual latency Latency Mode Minimal Compensated horizontal compensation for one program Disabled audio proces...

Страница 46: ...Mono R R Mono Input HPF Hz OFF 20 40 80 120 Input LPF kHz OFF 15 20 22 Input Delay Coarse ms 0 0 2000 0 Input Delay Fine samples 0 2000 Setup GUI AUDIO PROCESSOR Input Phase Rotator When working with...

Страница 47: ...offset In this case a high pass filter should be applied instead Each program has an independent Phase Rotator Link Unlinked Linked For stereo you may link the setup parameters of both voice channels...

Страница 48: ...Wait s 1 5 10 0 Elapsed time after fail detection until the switch over will happen Fail Return s 0 0 10 0 Elapsed time after detection of a proper input signal until the switch back to the program i...

Страница 49: ...is function is also available in the Expert section see below within the web interface Graph upper The upper graph is a metering window illustrating the difference between the input dotted line and th...

Страница 50: ...drag the smaller sphere on the bottom of the main sphere The max gain setting is indicated by the size of the main sphere The lowest and highest values are indicated by a flashing edge Link Max Gain S...

Страница 51: ...urve is defined by a ratio A high ratio means that a difference of 5 dB results in a gain change of almost the same amount A low ratio means that the actual gain applied is lower A ratio of 2 1 would...

Страница 52: ...lter Equalizer The graphical EQ offers 5 bands The characteristic of each band can be setup either left hand side of the graph or alternatively for each band further below Program Program1 Program2 Pr...

Страница 53: ...Band 1 Filter Type OFF Peak 1 Peak 2 Lo Shelf Hi Shelf Lo Cut Hi Cut Frequency Hz 20 20000 Gain dB 20 0 20 0 Q 0 4 4 0 Band 2 5 similar parameters as Band 1 The EQs offer two different peak modes Peak...

Страница 54: ...are that this is only true in Gate mode as the Expander mode features soft knee characteristics Range Maximum reduction range Its value determines the maximum reduction of the input signal This parame...

Страница 55: ...tanding is easier when differentiating between upward and downward compression Processing The timing characteristics of the compressor are generated adaptively according to the incoming signal structu...

Страница 56: ...signal in the voice channel and will automatically perform the voice over ducking Manual Activation Enable Disable Mostly used for testing Signal Path Pre Leveler Post Leveler See AUDIO PROCESSOR Ove...

Страница 57: ...0 50LUFS Time s min h 10 20 40 1 2 5 10 20 40 1 2 Max Gain dB 0 10 40 Freeze Level dBFS 60 50 20 Transient Processor Max Gain dB 0 10 15 Response Soft Mid Hard Limiter OFF ON Processing Profile Live S...

Страница 58: ...audio processing side of FM broadcast four main parameters come into focus Deviation fc of the transmission frequency carrier fc MPX Power of the modulating signal modulator Pre Emphasis to enhance th...

Страница 59: ...eak level meter Please be careful with this type of reference level scale as this analog operating level of 0dBr is not the same as 0dBr MPX power If the reference modulation is unknown a sine test to...

Страница 60: ...nvolved parameters change The resulting value is called the Ceiling It is important to know that the Resulting Ceiling is calculated with the Pre Emphasis filtering of the FM transmitter included Thus...

Страница 61: ...droom Maximum True Peak equals Ceiling The MPX Limiter algorithm The most important part of the FM Conditioner processor certainly is the MPX Limiter As MPX power is a value that is calculated with on...

Страница 62: ...X Limiter processing Time Range min 1 2 5 10 20 30 Sets the time scale for the MPX power display The Current Measurement displays the numerical values of the MPX power measurement Current Measurement...

Страница 63: ...2 0 4 0 SCA Deviation kHz 0 0 15 0 Resulting Ceiling dBFS calculated from the operating level the sub carrier pilot tone and the respective RDS and SCA deviation MPX Limiter OFF ON Reference Level dB...

Страница 64: ...one must add an initial delay of 27 samples Setup GUI AUDIO PROCESSOR Mobile UI The D AP4 provides an extra UI for live applications that may be used on tablets or mobile phones but may also be displa...

Страница 65: ...e Hotkeys By pressing the go soft button you will trigger an action the same way a remote Hotkey would do This example represents the factory default settings that are implemented in the actual releas...

Страница 66: ...ess Range LU Short Term Loudness LUFS numeric and convenient bar graph display Momentary Loudness LUFS numeric and convenient bar graph display Short Term Max LUFS Momentary Max LUFS True Peak Max dBT...

Страница 67: ...rces Device parameters status information grouped into system and Interfaces The triggers will be defined by its trigger equation that may be the logical combination of 2 trigger sources The D AP4 kno...

Страница 68: ...able ON OFF If you turn it off the respective Hotkey on the X AP RM1 remote panel becomes inactive no label is displayed and the button background light turns off remove will remove a line from the li...

Страница 69: ...value you will receive the trigger name that you have given to the first network trigger Soft GPI 1 The automation may now fire that trigger by simply returning the string For demonstration how it wo...

Страница 70: ...ype GPI Hot Key Network Parameter Event active Trigger effective Bypass Sync Lock Source e g for GPIs it will be 1 8 It acts like an index for the respective trigger type in case of GPIs it is the phy...

Страница 71: ...t of all existing presets from the Filter Spectral Signature section Here you have the possibility to reconfigure the D AP4 completely partially or to change a few audio parameters marginally Reconfig...

Страница 72: ...TS Events Parameter Events Parameter events are designed to change parameters when executing an action You define the parameter here This example shows the possible parameters to control the loudness...

Страница 73: ...event Loudness Reset calls the Reset command Setup GUI EVENTS Events I O Events At the moment I O events are limited to control the GPOs of the D AP4 Each GPO when incorporated into that I O event ca...

Страница 74: ...s some or all of the function blocks This can be used for A B comparison for all or for e subset of function blocks Now we have loaded the bombs let s ignite them Setup GUI EVENTS Actions Event Action...

Страница 75: ...t follow or for the setup field But it also allows you to turn the bypass of one some or all function blocks on You must simply tick the check boxes in the right hand panel Trigger Source The X AP and...

Страница 76: ...mply with AES3 X 2009 IEC 60985 and AES11 2009 4 channels 2 stereo outputs 2 XLR 3 connectors and 2 BNC connectors both connector types carry the same signal 24bits transparent forwarding of PCM and c...

Страница 77: ...th net weight ca 5 kg shipping weight ca 7 5 kg Technical Data Option Board SDI I O 3G HD SD O_DAP_SDI_a Standards Video complies with SMPTE 424 425M 3G Level A and B SMPTE 292M HD or SMPTE 259M SD Au...

Страница 78: ...r looped through Test pattern generator Master sync capable ITU R BT 1685 ARIB STD B39 metadata support Technical Data Option Board Analog Out O_DAP_8DA_a Audio 24bit D A converter Audio Channels 8 ou...

Страница 79: ...enuation 93dB 0dBFS 15dBu 1kHz Analog Inputs CMRR 71dB 0dBFS 15dBu 1kHz Frequency response 20Hz 22kHz 0 1dB 48kHz 20Hz 43kHz 0 1dB 96kHz 4 channels Connector type D Sub25 connector female same for inp...

Страница 80: ...p 110Ohm differential 1Vpp typ 75Ohm single ended General Features Power fail relay bypass can be deactivated by jumper Input sample rate converters SRC Electrical isolation between inputs outputs and...

Страница 81: ...tical power O_DAP_MO_MM_a 31 8dBm OM2 multimode 50 125 m O_DAP_MO_SM_a 23 8dBm singlemode 9 125 m standard values others on request Cable length max O_DAP_MO_MM_a 1 5km OM2 multimode O_DAP_MO_SM_a 2km...

Страница 82: ...nnectors 100M 1Gbit primary and secondary port Inputs Processable by D AP8 16 channels 44 1 48kHz Processable by D AP4 8 channels 44 1 48 88 2 96kHz Outputs Processable by D AP8 16 channels 44 1 48kHz...

Страница 83: ...mmon 2 GPI_1 3 GPI_2 4 GPI_3 5 GPI_4 6 GPI_5 6 7 8 common 7 GPI_5 8 GPI_6 9 GPI_7 10 GPI_8 11 12 13 Isolated 5V 14 GPO_1 2 3 4 common 15 GPO_1 16 GPO_2 17 GPO_3 18 GPO_4 19 GPO_5 6 7 8 common 20 GPO_5...

Страница 84: ...19 GND 20 IN 4 21 IN 3 22 GND 23 IN 2 24 IN 1 25 GND connector 4x AES I O female 25 pin D Sub 1 OUT 4 2 GND 3 OUT 3 4 OUT 2 5 GND 6 OUT 1 7 IN 4 8 GND 9 IN 3 10 IN 2 11 GND 12 IN 1 13 14 OUT 4 15 OUT...

Страница 85: ...o 30 V to activate a GPI If you have open collector outputs or simple relay closures as the driving GPOs this technique is commonly known as low active and will be found in most legacy equipment you m...

Страница 86: ...power To avoid electrical shock switch off the device power then disconnect the power cord from the mains power Do not block the power cord it must remain accessible to the user at all times To avoid...

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