ALM 5.1
Contents
1. JVV dl 21 8 LUFS integrated SONSNS 20 8 LUFS Short Term suis 2 7 LU Range EBU 00 00 48 16 If a1 RESET 2 88 Be Slk ML LUFS 104 158 104 157 161 148 L R C LFE Ls Rs beDsP User Manual P Audio Loudness and True Peak Metering VST AU and AAX plugin based on BS1770 rev 3 EBU R128 ATSC A 85 and ARIB TR B32 Now you have a panoram c view of the main loudness descrip tors anyt me you need 7 G o 5 Ld ihe This page intentionally left blank CONTENTS neDSP Loudness and True Peak metering at your hand 1 ALM 5 1 Loudness and True Peak Meter 5 2 Installation and Authentication g 3 How t work 17 4 ALM 5 1 Software License Agreement 29 This page intentionally left blank l ALM 5 1 Loudness and True Peak Meter DSF e 23 3 LUFS integrated SDIISIIEIS 23 1 LUFS Short Term IUIRIS 12 5 LU Range In the past the usual way of controlling the level of the broadcasted audio materials was by counting samples Today the focus switches to the listen 00 00 52 07 ers themselves more precisely to the listener s audio perception and how qi loud they perceive the audio material re O D SL ML LUFS 3 2 EBU Due to this change of perspective a number of international broadcast stan dards have been developed BS 1770 EBU R128 ATSC A 85 ARIB based on research and perception te2. Mom Loud Max True Pea Number of hits over Mom Loudness ST Loudness Values 22 58 UUFS W Urits Ch order ML threshold SL threshotd integrated loudness gati Follow transport True Peak Mete True peak ref teve HERD True peak max level cere E 17 re F 0 23 3 LUFS d integrated 5 23 1 LUFS vine Short Term 15 18 12 5 LU Range 25 cau 4 30 35 00 00 52 07 5 40 Figure 18 ALM5 1 Interface ALM 5 1 Interface GD N e Integrated Loudness or Program Loudness in LUFS LU Short Term Loudness in LUFS LU Loudness Range in LU Measurements can be done according with EBU ATSC or ARIB specifications Time counter for the duration of Integrated Loudness meas urement Play Stop the measurements for Integrated Loudness and Loudness Range which is active only when the setting Follow Transport is not active RESET for all the measurements Real time Momentary Loudness Meter Loudness Range bar Indicator Short Term Loudness indicator Real time True Peak Meter Max True Peak Level in dBTP Peak Led indicators Peak Led indicator Momentary or Short Term Loudness histogram Momentary or Short Term Loudness switch Meter Window Statistics Window Settings Window integrated integrated 7 integrated imtegrated imnegrated integrated 00 01 11 03 00 00 3 7 14
3. True peak max level D Ee Peak hold Se sec Overload hold Err Figure 30 ALM5 1 Channel order and True Peak Meter Settings 8 8 SREBRB 23 24 i nll Statistics Values Position Program Loudness 22 0 LUFS Loudness Range 13 1 LW LUFS 00 00 03 00 Max S T Loudness 10 9 Max Mom Loudness 10 9 LUFS 00 00 00 00 Max True Peak 2 7 dBTP 00 03 35 07 Number of hits over threshold Mom Loudness 2599 ST Loudness 244 Save report Figure 31 ALM5 1 Statistics Window J9IIOW dl SONSHES un rer 3 Q yn ALM 5 1 Statistics ALM 5 1 offers full statistics and real time values for all the main loudness descriptors of your program Program Loudness Loudness Range Max Short Term Loudness with TC position for the maximum value Max Momentary Loudness with TC position for the maximum value Max True Peak with TC position for the maximum value Also you have the number of hits over the threshold for ML and SL You can save all these parameters In a txt file using the Save Report button In the Figure 32 you can see the structure of a report file These values can also be reseted Program Loudness 22 0 LUFS Loudness Range 13 1 LU Max S T Loudness 10 9 LUFS at 00 00 03 00 Max Mom Loudness 10 9 LUFS at 00 00 00 00 Max True Peak 2 7 dBTP at 0 3 35 07 Mom Loudness threshold 23 Mom Loudness hits over threshold S T Loudness thr
4. 1 standalone version offers complex 1 0 Audio Settings and rout ing capabilities This way you can take advantage of the same features even if your system doesn t support VST AU or AAX plugins You can choose Input and output audio interface e Sample Rate e Audio buffer size The inputs and the outputs for L R C LFE LS RS beDSP O Audio Settings LPI Built in Microphone eniT Built in Output le ee le 44100 Hz Weleee tims 512 Samples 11 6 ms input 1 lt lt none gt gt lt lt none gt gt tim lt lt none gt gt ti lt lt none gt gt ES lt lt none gt gt ES lt lt none gt gt Too 3 lt lt none gt gt ae lt lt none gt gt Figure 35 ALM5 1 Audio Settings standalone 21 This page intentionally left blank ALM 5 1 Software License Agreement beDSP This License Agreement Is entered into by you the beneficiary and Audio Design Digital Art S R L the software vendor By accepting this agreement you hereby confirm that you are in complete agreement with its terms and conditions Should you not agree to the following terms and conditions we request that you do not use THIS SOFTWARE and do not activate this Software License Agreement l Royalties The royalties connected with this software are protected by the governing law You are obligated to acknowledge this law before accepting this license agreement 2 Rights of ALM 5 1 software license hold
5. 7 12 B i 30 40 BEN EH oo en m O _ ea RESET ML LUFS ML LKFS 17 19 21 a m lt 27 g l _ r 31 00 02 16 18 00 02 26 19 has uU f _ Ee RESET ML LUFS ML LXFS Mi LKFS Figure 19 ALMS 1 EBU ATSC and ARIB scales for 9LU Figure 20 ALM5 1 EBU ATSC and ARIB scales for 18LU Loudness Metering ALM 5 1 calculates the values for the most important descriptors specified by the standards Integrated Loudness Program Loudness Mo mentary Loudness Short Time Loudness Loudness Range and provides real time metering for Momentary Loudness You can also choose the scale for Momentary Loudness according to your needs There are two options that can be accessed in the Settings window see Page 24 e The standard EBU with reference level at 23 LUFS ATSC and ARIB with reference level at 24 LUFS see Figure 19 and Figure 20 The scale 9 LU for a good resolution in the reference level zone see Figure 19 and 18 LU for a bigger dynamic range see Figure 20 Real time visual representation of Momentary and Short Term Loudness through host automation lane see an example from Pro Tools in Figure 20 ALM 3 1 You can also use relative scales with the reference level of 0 LU see Figure 21 In this case the scale is the same for all the standards First of all the measurements for Integrated Loudness and Loudn
6. you have an internet connection select Online Activation otherwise you will have to select Offline Activation see Figure 10 2 If you want to activate the application on your computer select For this computer see Figure 11 beDSP License manager O o beDSP License manager Go For this For another computer computer Request Trial if you don t have a beDSP account please click here Use your beOS account and insert your serial number to authorize the product you bought Figure 10 Main menu Figure 11 Online Activation options 13 beDSP ALM 51 3 An authentication window will appear see Figure 12 Insert your beDSP username same as your e mail password and serial number beDSP License manager 63 beDSP License manager DSP User user bedsp net a License Applied Password You have successfully applied your full license for ALMS5 1 Serial Number 11111111111111111111111111111111 Ok Click for authorization Figure 12 Authentication window Ok Figure 13 Confirmation window 4 A confirmation window will appear that specifies the name of the product you have just activated and the type of license see Figure 13 Press OK and enjoy your product 14 beDSP Offline Activation If you don t have an internet connection select Offline Activation from the main menu see Figure 10 then Generate Request see Figure 14 l Insert your serial number and sele
7. 5 1 Settings plugin version 25 beDSP 26 Loudness Metering Mode Standard eu eC Scale 9 r Units Ch order IMTU LRC LFE Ls Rs 1 ML threshold SL threshold integrated loudness gating off Audio Settings True Peak Meter True peak ref leve EGS True peak max level I dBTP Peak hold 3 E Overload hold 3 W Figure 34 ALM5 1 Settings standalone version 1DIPN dl SDIISIEIS ALM 3 1 Settings standalone version Metering Standards EBU ATSC and ARIB specifications e Loudness Scales 9 LU and 18 LU e Loudness Units LUFS and LU e The Channel order you are using ITU L R C LFE Ls Rs C 24 L C R Ls Rs LFE DTS L R Ls Rs C LFE e Integrated loudness gating off the gate set at 10 LU below the absolute sated loudness level will not used The Integrated Loudness and Loudness Range values are calculated for the entire audio material e True Peak ref level 18 dBTP and 20 dBTP e True Peak max level from 5 dBTP to 1 dBTP Sets the maximum value of the signal waveform calculated using inter sample peaks that can be missed in quantization Above that value Peak Led indicators are red the level is the same for all the channels e Peak hold from 0 s to 10 s Represents the period of time the Peak holders are on e Overload hold from 0 s to 10 s Represents the period of time the Peak Led indicators are on Audio Settings standalone version The ALM 5
8. LM51_Bundle mpkg and an installation window will appear see Fig PREPRE N Select a Destination See che lok whare yowman We kastali Che ALAS Le o 7249 ch nasane 15 81 GR able GB total 6 06 GB total introduction Destination 5 ins D co Summ etal sotare requires 42 5 MB of space Figure 3 Installation window You have chosen to install this software on the disk h HD kaa 2 Select a Destination for the installation see Figure 3 and then press the Continue button Go Back Figure 2 Destination of the installation 10 beDSP A 5d Loudness and True Peak metering at your hand 3 Select the Installation type you want and then press the Continue button see Figure 4 This will take 42 5 MB of space on your computer Click install to perform a standard installation of this software on the disk Macintosh HD Figure 4 Installation Type 4 An information message will appear Press the Install button if you have The installation was successful the necessary free space for a proper installation see Figure 5 en a 5 Wait until the installation is completed and a confirmation window appears see Figure 6 Press the Close button and pass to the Authentication part Figure 6 Installation completed 11 12 beDSP Windows Installation Welcome to the ALM5 1 Setup Wizard Ths vel instal AMS 1 verson 1 0 0 on your computer It is recomme
9. are available for the True Peak Me ter ALM 5 1 takes into account all the inter samples that can be missed in quantization The plug in features a timecode counter of the measurements and you can reset the measurements anytime you want If you want to see the loudness distribution you can use the histogram a new addition to ALM 5 1 You can switch between Short Term Loudness or Momentary Loudness thresholds for loudness values are also available The information is also saved in the re port beDSP Features e Audio Loudness and True Peak Metering VST AU and AAX plugins e Channel Formats mono stereo and 5 1 e Full compliance with loudness standards BS 1770 rev 3 EBU R128 ATSC A 85 and ARIB TR B32 presets and color coding are also available e ITU Avid C 24 and DTS 5 1 channel configuration e Full loudness measurements using universal descriptors Integrated Loudness Program Loudness Momentary Loudness Short Time Loudness and Loudness Range Correct measurements for all the usual sample rates 44 1 kHz 48 kHz and multiples e Real time metering for Momentary Loudness Short Term Loudness and Loudness Range Histogram for Momentary Loudness and Short Term Loudness e Custom thresholds for Momentary Loudness and Short Term Loudness 00 00 52 07 e Real time visual representation of Momentary and Short Term Loudness u through host automation lane RESET e True Peak Level Metering with peak hold ML LUFS e Ma
10. ct the folder where you want to save your license request see Figure 15 2 After clicking ok your license request will be saved A window containing the license request will be revealed 3 Copy your license request on a flash drive or any data storage device and move It on the online computer this second computer must have the beDSP license manager installed and an internet connection so you can continue your activation beDSP License manager Sore beDSP License manager 3 Serial Number 11111111111111111111111111111111 Choose your destination folder Browse Save your license request and load it using the beDSP license Manager on a computer connected to internet Choose the destination folder for your license request Figure 14 Offline Activation options Figure 15 Generating the license request 15 beDSP 4 From the Online Activation menu pick For Another Computer see Figure 11 5 In the authentication window see Figure 16 insert your beDSP username same as your e mail password and load your license request Click ok for authorization 6 A folder with the license reply will be revealed named LicensesToMove This folder is saved in the same place you ve copied your license request Move your license reply on the computer you wish to authorize beDSP License manager x DSP User user bedsp net Password Load your license request Browse Choose your
11. er This license agreement allows you to utilize a copy of the ALM 5 1 software created by Audio Design Digital Art S R L and legally acquired by its user in ad dition to this license on one single terminal computer owned by you The utilization of the same copy of the ALM 5 1 software on multiple terminals com puter is forbidden regardless whether such terminals are your ownership or not Each terminal computer that will utilize a copy of the ALM 5 1 software requires its individual license Modification or update of the operating system on which the initial software license has been activated will be performed with the express approval of Audio Design Digital Art S R L If the network version of the ALM 5 1 software has been purchased you may install the server software on one single system generally directly on the server Should you know anticipate or observe that the number of users accessing the software exceeds the number of legally obtained active licenses please contact us in order to activate the correct number of licensed for each of your terminals users 29 beDSP 3 Copyright The ALM 5 1 product is the property of Audio Design Digital Art S R L and it is lawfully protected from fraudulent reproductions You may execute a single copy of this product on disk or hard disk as an understandable precaution in case the original installation disks are damaged or destroyed back up Any other copy will be considered illegal Y
12. eshold 21 S T Loudness hits over threshold 124 2599 Figure 32 ALM5 1 Report beDSP Settings plugin version Metering Standards EBU ATSC and ARIB specifications e Loudness Scales 9 LU and 18 LU e Loudness Units LUFS and LU e The Channel order you are using ITU LR C LFE Ls Rs C 24 LC R Ls Rs LFE Loudness Metering Mode JVPW dl Standard Scale SINSHEIS Units DTS L R Ls Rs C LFE Ch order Integrated Loudness gating off the gate set at 10 LU below the absolute gated loudness ML threshold level will not used The Integrated Loudness and Loudness Range values are calculated SL threshold for the entire audio material e Follow transport the measurements are done only if the audio material is in play mode e True Peak ref level 18 dBTP and 20 dBTP e True Peak max level from 5 dBTP to 1 dBTP Sets the maximum value of the signal wave form calculated using inter sample peaks that can be missed in quantization Above that value the peak led indicators are red the level is the same for all the channels e Peak hold from 0 s to 10 s Represents the period of time the Peak holders are on e Overload hold from 0 s to 10 s Represents the period of time the Peak Led indicators are On integrated loudness gating off Follow transport True Peak Meter True peak ref level True peak max level Peak hold Overload hold Figure 33 ALM
13. ess Range are done considering the gate at 10 LU below the absolute gated loudness level In this case the name of the standard is green If you chose no gate the name of the standard will be red see Figure 22 Figure 22 ALM 5 1 No gate the standard s name Is red Figure 21 ALM 5 1 Relative scales for 9 LU left and 18 LU right Color Code For a better monitoring of the Integrated Loudness ALM 5 1 uses a color code This way you will know how your program loudness fares compared to the accepted tolerance of each standard see Figure 23 and Figure 24 The accepted tolerance zone Is the range of loudness that is comfortable to the listener Note that the Integrated Loud ness may not be constant through the program It can vary within a specific zone according to the content requirements The color of Integrated Loudness parameter 1s green 1f the Integrated Loudness matches the standard s specifications yellow if it s around the standard s specification but you still have to turn the volume up down red if the material is annoyingly loud soft beDSP For EBU specifications For ATSC and ARIB specifications 14 15 16 17 Annoyingly loud 18 19 Annoyingly loud 20 21 Turn volume down Turn volume down Zz 23 EBU accepted tolerance n ATSC and ARIB Accepted B Tolerance 20 Turn volume up e Turn volume up 28 29 30 31 Annoyingly soft 35 35 Annoyingl
14. gnal waveform in the continuous time domain this value is calculated using inter sample peaks that can be missed in quantization 1 LUFS Loudness K Weighting referenced to digital Full Scale 2 LU Loudness Units 1 LU 1 dB 3 LKFS Loudness Level K weighted 4 dBTP deciBel referenced to digital Full Scale measured with a True Peak meter Installation and Authentication beDSP Loudness and True Peak metering at your hand Minimum System Requirements PC MAC Dual Core CPU Intel or AMD with SSE2 support Dual Core CPU Intel or AMD with SSE2 support 2GB RAM aan RAM OSX 10 6 Windows 7 Ba K cree binary VST 2 4 universal binary agge inary AAY 64bits AAX 64bits Standalone Standalone y nS IST Beis yatta tages Av See IL ae a at ie a ite CHRD S wane are S52 aint gt e Fa se ag gta tae em ee eae beDSP ALM 5 1 Loudness and True Peak metering at your hand Thank you for choosing ALM 5 1 Once you have downloaded the package ALM51_Bundle and you own a serial number please follow the next steps for installation for OSX or Windows and authentication of your product OSX Installation Welcome to the ALMS 1Bundie installer ure 2 Press the Continue button to start the installation Destination inst installat Summ You will be guided through the steps necessary to install this software l Double click on A
15. license request Your license reply will be saved in the same location Figure 16 Authorizing your license request 16 ALM 3 1 beDSP License manager 63 Load your license reply received from the beDSP License Manager to finish the authorization Figure 17 Loading your reply 7 Back on your computer from the main menu see Figure 10 pick Offline Activation then choose Load Reply see Figure 17 A browser window will open and you have to select your reply 8 After loading your reply a confirmation window will appear like the one from Figure 13 Press Ok and enjoy your product 3 How t works The first step for a proper mix is to calibrate the monitors and set a prelimi nary level for each track Next you have to make sure that the Integrated Loud ness Level Is in accordance with the target level by constantly monitoring the Momentary or Short Time Loudness level Also if the Maximum True Peak level is 1 dBTP the phenomenon of hitting the wall is less likely to occur ALM 5 1 has a simple structure so it s easy to focus on the mixing process There are five important parts e Loudness metering 1 see Page 19 e Momentary and Short Term Loudness histogram 2 see Page 22 True Peak metering 3 see Page 23 e Statistics 4 see Page 24 Settings 5 see Page 25 2 7 2 8 24 0 300 309 L R C LFE Ls ogram Loudness Loudness Range Max S T Loudmes Max
16. nded that you cose al other acpicatons before Continua np Cick Next to continue or Cancel to ext Setup Figure 7 Setup window Double click on the icon j ALM51Bundle and a setup window will appear see Figure 7 Press the Next button to continue the setup When the setup Is ready to begin installing ALM5 1 on your computer see Figure 8 press the Install button N 3 Press the Finish button to exit the Setup You have the possibility to automatically launch the ALM 5 1 application see Figure 9 ALM 5 1 Loudness and True Peak metering at your hand Ready to Install Sete is now ready begn eistaling AMS 1 on your Commenter Cick ista to contre with the retaliation Completing the ALM5 1 Setup Wizard Setup hes frushed nstaling AMS 1 on your Computer The sopicaton may be launched by selecting the netalled icons Chick Fresh to ent Setup 7 Launch AMS 1 Figure 9 Installation start beDSP Authentication Go to the Applications ProgramFiles where you will find the beDSP folder Double click on the ff beDPSLicenseManager icon and the main menu window will appear see Figure 10 with three available options Online Activation Offline Activation and Trial Request For any type of activation you must have a beDSP account If you don t have one go to www bedsp net sign up and create your account The username will be the same as the e mail you used for registration Online Activation l If
17. otiated Audio Design Digital Art S R L ensures standard technical assistance by e mail during on working days during business hours Personalized updates and support may be provided as a result of a separate Agreement By activating and utilizing the software the beneficiary accepts that the product may contain hidden inconsistencies or errors as a result of the complex ity of the software Such Inconsistencies or errors will be promptly remedied following a notification to Audio Design Digital Art S R L The beneficiary Is obligated to regularly check the performance of the software and notify the vendor immediately when an error Is observed 30 DSP ALM 5 1 Loudness and True Peak Meter VST AU and AAX plugin based on BS1770 rev 3 and EBU R128 Contact web www bedsp net e mail contactabedsp net 31
18. ou will not copy the product for any other purpose nor will you edit accompanying or explanatory materials without the express approval of the vendor 4 Other restrictions You will not lend sell or rent the product under any circumstances This Software License Agreement Is considered valid only if accompanied by the origi nal proof of purchase 5 Warranty This software and the accompanying files are commercialized as is without a specific level of performance guarantee The correct utilization procedure for any software includes thorough testing of the program in an environment free of critical information or data before trusting its quality and perform ance The vendor declares that it has not included or has any knowledge that the software contains any malware or instructions which may lead to the deletion of data without the user s agreement The liability of Audio Design Digital Art S R L s exclusively limited to the replacement of the copy of the soft ware with another copy The vendor holds no liability in connection with unauthorized interventions on the structure of the software product Also the ven dor will not accommodate any requests related to features which are not built in to the software design nor will it address any problems resulting from the incorrect application of instructions of use provided with the software Potential modification to the product which may be requested to the vendor will be separately neg
19. sts Everybody knows how annoying Is to adjust the volume each time the program is changed or during commercial breaks Now we have a specific set of tools that helps us solve the loudness prob lem ALM 5 1 is a key component in your mixing workflow Based on the ITU EBU ATSC and ARIB loudness standards the software offers you full Loudness and True Peak Metering for Mono Stereo and 5 1 channel formats featuring measurements for Momentary Short Term and Integrated Loudness with Loudness Range and Max True Peak Level The software provides channel order configuration for ITU C 24 and DTS ALM 5 1 is all you need to control the loudness of your audio material whether your target is 23 LUFS according to EBU specifica tions 24 LUFS according to ATSC ARIB specifications or you want to use the relative gate of 10 LU Both LU and LUFS scales are available you can set the start and the stop of your measurements or you can let the plugin do it by following the host transport For a higher resolution in the target zone you can use the 9 LU scale For a higher dynamic range use the 18 LU scale Both a value and a bar indicator are available for Loudness Range so you can decide if your audio needs more dynamic compression In both cases you don t have to worry about peaks because the ALM 5 1 features peak holders and led indicators to let you know anytime a overload occurs Two scales with different reference levels 18 dBTP and 20 dBTP
20. the real time visual representation of Momentary and Short Term Loudness through host automation lane and the number of hits over threshold from the statistics page you can easily detect and correct the points with loudness problems see Figure 28 Figure 28 ALM5 1 Visual representation of Momentary and Short Term Loudness through host automation 22 True Peak Metering ALM 5 1 offers you real time True Peak Metering with peak hold for mono Stereo and 5 1 channels Beside this the plugin gives you the possibility to configure your measurements by accessing the Settings window see Page 26 You can choose the Channel order you are using ITU L R C LFE Ls Rs C 24 LC R Ls Rs LFE DTS L R Ls Rs C LFE the True Peak reference level 18 dBTP or 20 dBTP see Figure 27 the the Peak Holding Time the Overload Hold Note that ALM 5 1 uses always the ITU configuration for the True Peak Metering representation L R C LFE Ls Rs If you have a different channel order you can choose the one you want to use Even if the True Peak Meter isn t visible you can still see the peaks indl cated by the Peak led Also the alarms are turned on until you reset the measurements or press on them 7A L Ch order 28 SsReRB 249 234 294 IDA 20 R C LFE Ls Rs 7A 240 JIS JA JIA 29 L R C b A Figure 29 ALM5 1 True Peak Metering IMTU LRC LFE Ls Rs I True Peak Meter True peak ref level
21. x True Peak Level calculated using inter sample peaks that can be missed in quantization e Full statistics for Program Loudness LRA Max SL Max ML Max True Peak Figure 1 ALMS 1 Interface with timecode position for maximum values e Overload counter for Momentary Loudness and Short Term Loudness e Save loudness report option e Low CPU usage due to the software optimization SRW dl integrated vi E 2 d A a Loudness Descriptors e Integrated Loudness or Program Loudness in LUFS LU or LKFS describes the long term integrated loudness of an audio material from start to stop This is measured using the specifications of international standards for Europe ITU R BS 1770 with no gate or ITU R BS 1770 3 with sate at 10 LU for America ATSC A 85 and for Japan ARIB TR B32 The gate Is used to exclude blocks of audio signal 10 LU below the absolute gated loudness level for Settings see page 25 This ensures that an audio material with long periods of silence will not be too loud after a possible loudness normalization e Momentary Loudness ML in LUFS LU or LKFS calculated with a time window of 400 ms e Short Term Loudness SL in LUFS LU or LKFS calculated with a time window of 3 s e Loudness Range LRA in LU loudness dynamic range from start to stop that helps you decide if dynamic compression Is necessary e True Peak Max Level in dBTP indicates the maximum value of the si
22. y soft 41 42 MLkx LUFS MLxk LUFS Figure 23 ALM5 1 The color code according to EBU specifications Figure 24 ALM5 1 The color code according to ATSC and ARIB specifications If you choose to use the presets the default threshold for the Short Term Loudness will be the one specified by each standard You can select another value according to your own needs The color of Short Therm Loudness descriptor Is in accordance with the threshold from the Settings window see Figure 25 and Page 25 If the measured value is above the threshold the SL is green and if it s beyond the threshold the SL is red Figure 25 ALM5 1 Shot Term Loudness color code 21 beDSP ALM 51 Histogram ALM 5 1 offers you a histogram with two possible views one for the distribution of Momentary Loudness values and another one for the distribution of Short Term Loudness values You can switch be tween them using the toggle button below the graph Also you have a color representation according with the chosen threshold values from the Settings tab The values above the threshold will be colored red and the ones below will be blue ML threshold Mix LUFS Mik GED Sik Mix LUFS SL threshold Figure 27 ALM5 1 Histogram Momentary Loudness left Short Term Loudness right Figure 26 ALM5 1 M L and S T Loudness threshold ST Loudness and Mom Loudness EEE Mom Loudness 479 visual representation S T Loudness Using
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