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28 

D*AP LM 4

 

 
 

AUDIO PROCESSOR – Filter – Equalizer 

 

Equalizer gives access to a 5 band Parametric EQ that can be adjusted independently for each audio 
input program. 
 

 

Link 

[Linked / Unlinked] 

 

Equalizer 

[Enable / Disable]  

 

Band 1 

 

 

Filter Type 

[OFF, Lo Shelf, Peak, Hi Shelf]  

 

Frequency (Hz) 

[20 … 2000] 

 

Gain (dB) 

[-20 … +20] 

 

Q 

[0.4 … 4.0]  

 

Band 2 

same as Band1 

 

Band 3 

same as Band1 

 

Band 4 

same as Band1 

 

Band 5 

same as Band1 

Summary of Contents for D-AP LM4

Page 1: ...www com jungeraudio D AP...

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Page 4: ...5 Word Clock output RJ45 network connector 100BaseT full duplex Ethernet interface USB B connector built in USB serial adapter to access the device service port 8 GPIs balanced inputs on 25pin Sub D 8...

Page 5: ...r 25 Web GUI AUDIO PROCESSOR Filter Spectral Signature 26 Web GUI AUDIO PROCESSOR Filter Equalizer 27 Web GUI AUDIO PROCESSOR Dynamics 29 Web GUI AUDIO PROCESSOR Voice Over 30 Web GUI AUDIO PROCESSOR...

Page 6: ...2 D AP LM 4 Block diagram Audio processing blocks...

Page 7: ...N 70 0 OUT 70 0 Now you must press MENU This will show HOTKEYS menu entrance Now turn the Rotary Encoder RE one turn left and you reach the CONFIG menu Press the RE and the menu item NETWORK will be d...

Page 8: ...arameters are 115200kBaud 8 N 1 no hand shake Pressing ENTER will open the console menu Go for item 2 and press ENTER Your choice 2 Current network configuration IP Address 10 110 24 128 Netmask 255 2...

Page 9: ...a browser and type the device IP address into the URL field and press ENTER This will open the AUDIO PROCESSOR Overview pane of the GUI Click on SYSTEM and the Admin pane will open automatically Ente...

Page 10: ...you press SEL you will see the values of the other processing channels Pressing ESC will reset the display reading HOLD reset The 4 direct function buttons of the front panel will move you to the resp...

Page 11: ...7 D AP LM 4 Operating front panel navigation tree...

Page 12: ...ation give the programs meaningful names and set the synchronization source You may also give the device a name tell it its location and define an administrative contact which may be used by monitorin...

Page 13: ...in building blocks of the device including the options installed such as a SDI interface module You may click into the boxes and the respective page will open The navigation is based on URLs so you ma...

Page 14: ...d SNMP management Location the place where the LM 4 is located Admin Contact e mail address of a person in charge Graphical User Interface defines the appearance of the parameter panes regarding prese...

Page 15: ...tup of the device via web browser IP Address Netmask Gateway Transmit Metering Data metering data will be streamed via UDP protocol In order to receive such data by external applications you must defi...

Page 16: ...in detail The example above shows the preset concept of the LM 4 It is the central theme of the device For all relevant setting of the device one set of ON AIR parameters and 20 sets of PRESETS are av...

Page 17: ...YSTEM Backup Restore Backup Restore All device settings and parameters can be either backed up for future recall or restored from a previously created backup file If you press the device controller wi...

Page 18: ...ots or both The example above shows one SDI I O board installed into interface 1 slot You must select the appropriate file from the firmware update bundle ZIP file and press afterwards The LM 4 has a...

Page 19: ...t hand side from rear Power 2 optional status of second power supply right hand side from rear Temperature measured on the surface of the main PCB Sync Lock turns red if the external sync source is re...

Page 20: ...o the System Status Input Sample Rate Converter for asynchronous sources it is possible to turn a SRC on per input If a SRC is turned on and the input status becomes Non PCM the respective SCR will be...

Page 21: ...up are performed The De Embedder selects routing of all 16 channels to the audio processor block There is a 16 x 16 matrix to allow for any combination of audio signals to be presented to the LM 4 bec...

Page 22: ...18 D AP LM 4 Web GUI INTERFACE SDI I O Interface Embedder Whilst the embedder selects routing from the audio processor block to the output...

Page 23: ...ay The inputs of the embedder routing matrix can be taken either from the de embedder or from the LM 4 in any combination If they are taken from the de embedder and a Video Delay is introduced the tim...

Page 24: ...2 for embedded audio See SMPTE 425M for details Generator enabled The video generator may be enabled here The video format it generates depends on the selection below Test Pattern If the Generator is...

Page 25: ...abled turns green if the video delay is activated De Embedder Audio Status is grey if no audio is present turns green if PCM audio is embedded turns yellow if a non audio signal is present an addition...

Page 26: ...hows an example configuration DSP the de embedder outputs SDI 1 2 and 3 4 are connected to the DSP 1 2 1 2 and 3 4 3 4 inputs After processing by the DSP these signals will leave it at the outputs DSP...

Page 27: ...ng of the audio processor blocks rendered by the DSPs This overview depends on the program configuration of the LM 4 The overview shows all available function blocks The function blocks which are acti...

Page 28: ...ssing parameters Which parameters are bound to the Processing Bypass function must be defined in the EVENTS section The audio signals still travel through the DSP but they are not processed Latency Ma...

Page 29: ...PF Hz high pass filter 6dB oct cut off frequency OFF 2 20 40 80 120 Input LPF kHz low pass filter 6dB oct cut off frequency OFF 15 20 22 Input Delay ms 1 2000 Web GUI AUDIO PROCESSOR Fail Over Fail Ov...

Page 30: ...ture Two options are available to modify the audio signal s AUDIO PROCESSOR Filter Spectral Signature Link Linked Unlinked Spectral Signature Enable Disable is a dynamic multi band filter that allows...

Page 31: ...ws up on the PC screen The process must be enabled in order to get the correct display You can do it either from the LM 4 GUI or from here When starting this application the settings will be read from...

Page 32: ...c EQ that can be adjusted independently for each audio input program Link Linked Unlinked Equalizer Enable Disable Band 1 Filter Type OFF Lo Shelf Peak Hi Shelf Frequency Hz 20 2000 Gain dB 20 20 Q 0...

Page 33: ...cs The LM 4 offers a powerful expander compressor tool that can also be set independently per audio program source Expander Enable Disable Threshold dBFS 60 20 Range dB 0 0 20 Gate Release Mode 0 9 si...

Page 34: ...20 0 Gate Ratio 1 1 1 1 4 0 Processing Live Speech Pop Uni Classic Expert Enable Disable Clear Processing History clear Web GUI AUDIO PROCESSOR Voice Over Voice Over Allows for the temporary insertio...

Page 35: ...In Time ms 10 1000 Hold Time s 0 0 10 0 Fade Out Time s 0 0 10 0 Voice Over Source Source Format Stereo Mono LL Mono RR Mono L R the voice feed of the Voice Over circuit is a two channel signal You ma...

Page 36: ...1770 1 A 85 2011 2 3 Display of the pre selected mode see AUDIO PROCESSOR Setup Link Linked Unlinked Note the limiter an d the leveler link are coupled From the front panel you may set it in either fu...

Page 37: ...ial For details pls see the above mentioned document Clear Processing History clear manual or preset controlled Initial Dynamic Gain dB 40 0 15 AGC Recovery Normal Fast Low Level Behavior Processing T...

Page 38: ...ing presets firing GPO commands etc The events tab is where all relevant parameters can be set up A Trigger is the logical combination of up to two trigger sources The Trigger may launch one or more e...

Page 39: ...gger you may give it a name When removing a trigger you may select it by its name and press OK Web GUI EVENTS Trigger Remote Hotkey Sources Remote Hotkey Sources will assign the hotkeys of the LM 4 na...

Page 40: ...virtual as well as physical e g LBP buttons of a VSM installation But also a broadcast automation system may have an EmBER client running that may send network trigger to the LM 4 number of the networ...

Page 41: ...Not Routed WARNING The Expression allows multiple values I e you may select Fail Not Routed In that case both status expressions are marked green and due to limited space in the pull down the word mul...

Page 42: ...launch the event Relay Bypass This event will then load Preset 5 of the SDI I O Interface while Preset 5 is set up to turn the SDI bypass relay on Web GUI EVENTS Preset Events Routing Because the ROU...

Page 43: ...d on all other pages Web GUI EVENTS Action Events GPO Action events Comprises of two options Creating GPO control signals and invoking Loudness Measurement Start Stop and Pause commands The LM 4 has 8...

Page 44: ...R128 implements the possibility to start pause continue reset a loudness measurement The example above defines two action events Start and Stop They will be triggered by Start Loudness Measure and Sto...

Page 45: ...oxes represent the bypass switches of the individual function blocks of the DSP They may be used to force the bypass function of individual blocks manually If you turn the BYPASS button of the front p...

Page 46: ...input gain of the first program by 1dB and reduce it by 1dB This should be automatically set by the Omnibus automation system If the trigger is not set for the actual event in the run down list an ope...

Page 47: ...t set up preset events for the audio processor EVENTS Preset Events Audio Processor On this pane we select the trigger Input Gain 1dB and Input Gain 1dB respectively and we give these two events the n...

Page 48: ...s 48 kHz all processing blocks active Force Minimal Latency activated 194 samples 4 04 ms 48 kHz Spectral Signature disabled Sync internal 48 kHz 10 ppm Sync input AES3id 48 kHz 0 32 1 2 Vpp 75 Ohm Wo...

Page 49: ..._2b 16 17 18 19 GPI_4b 20 GPI_5a 21 22 23 Isolated 5V 24 Isolated 5V 25 GPI_8a connector GPO female 25 pin Sub D 1 GPO_1_NC 2 GPO_1_NO 3 GPO_2_common 4 GPO_3_NC 5 GPO_3_NO 6 GPO_4_common 7 GPO_5_NC 8...

Page 50: ...cal of Belden 1694A coaxial cable 250 m at 270 Mbps 250 m at 1 485 Gbps 150 m at 2 97 Gbps jitter tolerance Timing 2UI Alignment 0 7 UI SDI output standards 3G SMPTE 424 425M Level A B HD SMPTE 292M S...

Page 51: ...chnical data interface modules 4x analog I O AN 144 connector 25pin Sub D female input impedance 10 k electronically balanced max input level 0 0 dBu 24 dBu adjustable in 0 5 dB steps dynamic range 11...

Page 52: ...ND 20 IN 4 21 IN 3 22 GND 23 IN 2 24 IN 1 25 GND connector AES I O female 25 pin Sub D 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 3 16 GN...

Page 53: ...t 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 avoi...

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