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iLC2ST User Manual 

 

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The UI controls will then switch over to Stereo B.  The arrow is only visible when the user 
scrolls over to it.   
 

8.  Field #2 (Stereo B) measured value.  This field can be customized by the user and saved in 

a preset. 

9.  Indicates the current measurement displayed in Field #2.  Entering Channel selection mode 

in this field allows the user to toggle thru Max SL, Max ML, Infinite Average, True Peak, Max 
True Peak and LRA. 
 

10. ‘Stereo B’ - Play / Stop / Reset Infinite Average icon. Selecting this icon while on the Home 

screen and ‘pressing’ SELECT will ‘stop’ the Infinite Average.  Pressing SELECT once again 
will  ‘reset’  the  Infinite  Average.    Pressing  SELECT  once  more  will  ‘play’  and  resume 
calculations for determining the Infinite Average for the selected display input. 
 

11. ‘Stereo B’ - Pause / Resume Infinite Average icon.  Selecting this icon while on the Home 

Screen  and  ‘pressing’  SELECT  will  ‘pause’  the  Infinite  Average.    Pressing  SELECT  once 
more will ‘resume’ calculations for determining the Infinite Average for the selected display 
input. 
 

12. ‘Stereo B’ - Loudness Control Icon.  Select to enter Loudness control submenu. 

 
Standard View 
 
 
 
 
 
 
 
 
 
 
 
 

1.  Field  #1  (Stereo  A  or  B)  measured  value.    This  field  can  be  customized  by  the  user  and 

saved in a preset. 
 

2.  Indicates the current measurement displayed in Field #1.  Entering Channel selection mode 

in this field allows the user to toggle thru Max SL, Max ML, Infinite Average, True Peak, Max 
True Peak and LRA. 
 

3.  Indicates if the data on the home screen is representative of an inbound or outbound signal. 

Pressing SELECT while the cursor is over this field will toggle the display between IN and 
OUT.  

4.  Field  #2  (Stereo  A  or  B)  measured  value.    This  field  can  be  customized  by  the  user  and 

saved in a preset. 
 

 

Summary of Contents for iLC 2ST

Page 1: ...iLC 2ST User Manual...

Page 2: ...uerra has been building broadcast quality products since 1989 The technology developed for the ILC2ST and all of our products has evolved through a process of user feedback extensive listening field t...

Page 3: ...uerra Corp Copyright 2011 All logos and trademark used herein are the property of their respective owners Specifications subject to change iLC2ST User Manual Revision A 1 for firmware 4 01 01 ILC2ST K...

Page 4: ...ice Information The DaySequerra ILC2ST contains no user serviceable components inside the unit Please contact DaySequerra for repair and upgrade information In the event that your unit needs to be ret...

Page 5: ...GPI Alarms DB 9 female connector 0 5VDC TTL 2 DayPart Inputs per channel Alarm at fault Outputs Ethernet Remote Dashboard 10 100 BASE T for field software updates logging and remote control Remote Das...

Page 6: ...cturer could void the user s authority to operate this equipment The user should use only shielded and or grounded cables to combat sources of interference Environmental Preservation Efforts This equi...

Page 7: ...pressure of an acoustical signal Neither of these measurements although widely accepted provides accurate indications of how viewers will perceive the loudness of the audio programming The DTS NLM alg...

Page 8: ...ng standard ITU R BS 1770 produces results known as LKFS that are referenced to a dB FS scale While certain Leq x measures match more closely to human loudness perception than traditional SPL or RMS m...

Page 9: ...h a single tone of a certain energy level and more tones are added with equal energy in the critical bands the total signal energy is kept constant regardless of the number of tones If changing from o...

Page 10: ...he HEIMDAL multi band model did not achieve the complexity of cochlear modeling as shown by J Allen the method had the lowest error compared to any preceding loudness models Nielsen Skovenborg 2004 De...

Page 11: ...two NEMA5 15P to IEC320 C13 AC power cables We strongly encourage you to save the shipping carton and shipping materials supplied with your ILC2ST They are specially designed to properly protect your...

Page 12: ...supply UPS to protect against power surges and low voltage conditions For maximum redundancy connect each power supply to a separate UPS on different power circuits ILC2ST may be combined with other d...

Page 13: ...last programmed state Rear Panel AES INPUTS Two 75 BNC connectors will accept the AES3 digital audio stream For ILC2ST to work properly the following channel inputs must be maintained 1 2 Left and Rig...

Page 14: ...died the relay will open Output 2 Relay 2 is Normally Open Upon a fault condition the relay will close When the failure is remedied the relay will open Input 1 Momentary voltage detected on this port...

Page 15: ...ple rate of extracted audio is converted to 48 kHz 24 bit resolution regardless of the source material and is available as AES audio at ILC2ST s output jacks Programming Menu Loudness Meter System If...

Page 16: ...Pause Resume Infinite Average icon Selecting this icon while on the Home Screen and pressing SELECT will pause the Infinite Average Pressing SELECT once more will resume calculations for determining t...

Page 17: ...y input 11 Stereo B Pause Resume Infinite Average icon Selecting this icon while on the Home Screen and pressing SELECT will pause the Infinite Average Pressing SELECT once more will resume calculatio...

Page 18: ...ess Control Icon Select to enter Loudness control submenu Auto Infinite Average Turns the infinite average on an off when an inbound audio signal is below the selected threshold The default threshold...

Page 19: ...FS Relative Level is READ ONLY For A 85 ATSC it is N A R128 EBU 10 LUFS ARIB TR B32 10 LKFS Block Period is READ ONLY For A 85 ATSC it is N A R128 EBU and ARIB TR B32 400ms Meters Additional meters ca...

Page 20: ...ers long using A Z and 0 9 Press ENTER then use the rotary knob to scroll to the desired character To select the character Press ENTER When complete press ENTER again to save the entry Press BACK or H...

Page 21: ...iLC2ST will get timing from the 1 2 BNC Input c 3 4 iLC2ST will get timing from the 3 4 BNC Input d Internal Processing is synchronized with the iLC2ST internal clock e External Processing is synchro...

Page 22: ...l configuration Will only be present if the HD SDI I O module is installed HD SDI Mapping Menu Figure 8 HD SDI Mapping Menu Screen Display For iLC2ST to make precise loudness measurements the audio ch...

Page 23: ...hoices of letters A Z 0 9 and _ underscore and press ENTER to move on to the next field Turning the knob again will start to scroll through the choices for the next letter or pressing ENTER accepts th...

Page 24: ...he current state of the GPIO inputs The four fields of the displayed status represent each input 1 4 respectively Alarms Alarm sets GPO 1 2 to alert the user of AES Lock Loss and Hardware Failures Cha...

Page 25: ...n and is configured for the correct input port CRC Error ILC2ST has encountered a CRC mismatch error in the audio stream This may be due to a corrupted or invalid channel status bit sent by the source...

Page 26: ...o correction will be applied For example A setting of 4dB indicates that audio content can range 4 dB above the Target Level before attenuation is applied Content arriving louder than 4 dB above the T...

Page 27: ...low frequencies high or low frequency noise does not become over emphasized Compressor Threshold A compressor is present to catch any short term loudness peaks which aren t fully captured by the atta...

Page 28: ...e times The secondary Compressor is set close to the target to reduce transients Frequency compensation has been turned off to allow equal spectral gain to be applied to the lowest of input signals Th...

Page 29: ...ut into your Startup Windows program folder Double clicking on the exe file will allow the Remote Dashboard to find the iLC2ST on the network and automatically configure the IP Address needed to estab...

Page 30: ...the window there are three navigation tabs Stereo A Stereo B and Settings Click on the Settings tab in order to configure the program After initial configuration the application will start and resume...

Page 31: ...econds the application will poll iLC2ST for its readings Data Logging Specifies the location for storing log files This path may be local or on a network share that the active Windows user has permiss...

Page 32: ...ode table Data logging Field Legend Error Codes After the appropriate options have been set press the APPLY button to save those settings and begin communications with the iLCST The program icon shoul...

Page 33: ...ight click on the tray icon and select EXIT 2 Navigation Tabs Clicking on the tab will change the current view of the program between Surround inputs Stereo inputs or the Remote Dashboard configuratio...

Page 34: ...folder A full day of logging each available data field once per second will consume approximately 27MB of storage space Storage of files onto flash drives or other solid state storage devices is not r...

Page 35: ...file click the first value hold the shift key and then click on the last value 7 In Excel 2007 click on the Insert tab Click the Line button and then select Line under the 2 D Line group In Excel 200...

Page 36: ...ned above a sample radar style graph was created This graph type can be found in Excel 2007 by clicking on the Other Charts button and then selecting Radar or in Excel 2000 2003 by selecting Radar fro...

Page 37: ...erra 1 Un Zip the files using a compatible utility that can handle ZIP archive file format into a new empty directory on your PC 2 Disable any additional network interface adapters present on your PC...

Page 38: ...Enter the time server address to be used or use the public pool time nist gov 4 Press APPLY then UPDATE now to ensure the server address can be contacted A message will appear below the server addres...

Page 39: ...scope 2 Is there a software firewall running blocking access to the UDP port 44600 Make sure the port is open or the Remote Dashboard software is in your firewall s exclusion or white list Contact yo...

Page 40: ...customer accordingly DaySequerra reserves the right to replace any product that has been discontinued from its product line with a new product of comparable value and function This warranty shall be...

Page 41: ...er Manual 41 Manufactured under license from DTS Licensing Limited DTS and the Symbol are registered trademarks and the DTS logo is a trademark of DTS Inc Product includes software DTS Inc All Rights...

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