Own a Linear Acoustic product and wondering if you are compliant with the updated regulation? The simple answer: You are!
For a more in-depth explanation of the new regulations and product-specific details, please click on the Continue Reading link below.
The ATSC has recently updated and delivered to the FCC an updated version of its A/85 Recommended Practice - aka Techniques for Establishing and Maintaining Audio Loudness for Digital Television - which includes an update of the referenced ITU (International Telecommunications Union) recommendation for algorithms to measure audio program loudness and true-peak audio level.
Since the CALM (Commercial Advertisement Loudness Mitigation) legislation is based upon A/85, whenever A/85 is updated, CALM follows automatically.
This has left television broadcasters wondering what influence the new recommendations will have on them and whether or not their current processing and metering equipment is capable (or can be updated to become capable) of complying.
It is important to understand that these changes affect loudness metering and measurement, NOT loudness processing.
It is also helpful to understand that the difference between the original ITU-R BS.1770-1 and -2 involves the refinement of gated measurements and the inclusion of a technique called relative gating. Relative gating means that gating will occur at low audio levels which change relative to the average audio levels. You will sometimes hear -1 referred to as fixed gating and -2 as relative gating accordingly.
ITU-R BS.1770-3 introduced a change that removes a filtering option that was present in the -2 standard. Linear Acoustic products have never employed this optional filter, and so this change (with one exception - please see the detailed information on the LQ-1000 Loudness Quality Monitor below) does not impact our customers.
We strongly recommend that all television broadcasters become familiar with A/85:2013 which is available for download directly from the ATSC website via this link: http://www.atsc.org/cms/standards/A_85-2013.pdf
Specific Linear Acoustic product information is provided below.
AERO Series Processors Since the new recommendations pertain to loudness measurement and not to loudness processing per se, any past or current Linear Acoustic processor is capable of delivering compliant audio if properly installed and configured. This includes all OCTiMAX , AEROMAX , AERO.one , AERO.air , AERO.lite , AERO.100 , AERO.2000 , and AERO.1000 products and will apply to future products as well.
While the processors themselves can all provide compliant audio, some have built-in ITU-R BS.1770 utility meters. These meters are not intended to be a substitute for a dedicated LKFS meter capable of monitoring demodulated audio or generating loudness logs. Rather, they are provided to make matching the final output level of the processor to the dialnorm quick and easy, which, when done properly, results in compliant audio.
The meters included in AERO.100, AERO.1000, and AERO.2000 are ITU-R BS.1770-3 compliant.
The optional meter in AERO.lite and the utility meter on the Final Stage adjustment screen of AERO.air products are short term (10-second) integrated meters and produce results that match BS.1770-2/3 meters within required tolerance, but do not contain Peak or True Peak meters and thus are not affected.
LQ-1000 Loudness Quality Monitor The LQ-1000 Loudness Quality Monitor is (or can be easily made to be) fully ITU-R BS.1770-3 compliant.
LQ-1000 products with serial numbers below 34-1000 must up updated to software version 1.10.12 in order to be -3 compliant. This is a free update for registered users of our website. If you need the software and are not yet a registered user, please click on the Register button at the top of the home page.
Units with serial numbers of 34-1000 and higher are already compliant and need no additional updates.
LQ-1 Loudness Meter All LQ-1 units are fully ITU-R BS.1770-3 compliant. No additional updates are needed.
For the reasons explained in detail earlier, selecting an ITU.R BS-1770-2 measurement in the LQ-1 will result in a measurement that is also -3 compliant. Since Dolby Dialogue Intelligence is recognized as an acceptable means of measurement in the latest version of ATSC A/85, it too is inherently CALM-compliant should you choose to employ it.
LAMBDA and LAMBDA-II Digital Audio and Metadata Monitor The LAMBDA and LAMBDA-II are short term (10-second) integrated meters and produce results that match BS.1770-2/3 meters within required tolerance, but do not contain Peak or True Peak meters and thus are not affected.
Most recent headlines
05/01/2027
Worlds first 802.15.4ab-UWB chip verified by Calterah and Rohde & Schwarz to be ...
09/10/2026
September 10 2026, 06:00 (PDT) Dolby Expands Dolby OptiView Platform with New Capabilities at IBC 2026
New Sports Intelligence helps providers better unders...
07/10/2026
Dalet, a leading technology and service provider for media-rich organizations, today announced the latest Long-Term Supported (LTS) release of Dalet Flex. Build...
29/09/2026
Oak View Group (OVG) has announced Cisco as an Official Technology Partner, with plans to standardize infrastructure across its venue network on Cisco solutions...
29/09/2026
SportsNet Pittsburgh (SNP) won three honors at the 2026 Mid-Atlantic Emmy Awards.
Program awards went to Bucs BP in the Sports Program Live category (produced ...
29/09/2026
The Professional Women's Hockey League has announced home openers for all 12 teams for the 2026-27 season, along with a broadcast partnership with CBC under...
29/09/2026
Manifold technologies has been recognized as a contributor to the Media eXchange...
29/09/2026
FuboTV has announced My Local Sports, allowing subscribers in select markets to add their local regional sports network (RSN) as an add-on to a Fubo Sports subs...
29/09/2026
Asian News International (ANI), a wire agency and video news provider based in India, has deployed Grass Valley's AMPP Media Operating System and Framelight...
29/09/2026
South African Broadcasting Corporation (SABC) has deployed Ikegami UHK-X600 cameras as part of an upgrade to IP-based production infrastructure. The deployment ...
29/09/2026
REMI, REMCO models will drive the bulk of the broadcaster's NHL productions ...
29/09/2026
Three years in, the facility is supporting more centralized race production, com...
29/09/2026
NBC, Peacock, and NBSN are carrying all four Wild Card series with a production ...
29/09/2026
19 Nonfiction Projects Across All Stages of Production to Receive More Than $1 million in Support as Documentary Film Program Approaches 25th Anniversary
LOS ...
29/09/2026
Two new plug-ins launch alongside updated bundles
Zynaptiq have just announced the launch of two new plug-ins, alongside new and improved versions of two of...
29/09/2026
All-in-one bus processor revealed
Wes Audio's ng product range has come a long way since it was first introduced, and now includes a tasty selection of ...
29/09/2026
eds3_5_jq(document).ready(function($) { $(#eds_sliderM519).chameleonSlider_2_1({ content_source:......
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Ikegami announces that the South African Broadcasting Corporation, SABC, has chosen Ikegami UHK-X600 camera systems as part of an advance to IP-based operation ...
29/09/2026
Blendkit Offers 20% Discount to Celebrate Crossing 150K Asset Milestone
Brie Clayton September 29, 2026
0 Comments
Blendkit, the largest 3D asset libr...
29/09/2026
Interactive streaming specialist Ease Live supported more than 76.5 million fan sessions across three major European media operators during this summers FIFA Wo...
29/09/2026
Ease Live has added support for VAST (Video Ad Serving Template) to its graphical overlay technology, opening up new ways for broadcasters, streamers and rights...
29/09/2026
Rise AV has announced the launch of the inaugural Rise AV Awards, a new global awards programme celebrating the women, advocates and organisations across the AV...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Share
Copy link
Facebook
X
Linkedin
Bluesky
Email...
29/09/2026
Clear-Com announced that First Baptist Nashville has upgraded its production communications with a Clear-Com intercom solution as part of a comprehensive sanct...
29/09/2026
Blackmagic Cinema Camera 6K Captured Action Shots for Sketch
Brie Clayton September 28, 2026
0 Comments
Camera's portable design and dynamic range...
29/09/2026
Kean Production Services Deploys AJA ColorBox to Deliver Consistent, Accurate Co...
29/09/2026
Berklee Alumni and Faculty Nominated for the 2026 Latin Grammy Awards A total of 28 Berklee alumni and faculty earned nominations across 20 categories this ye...
29/09/2026
Berklee's K-Pop & Beyond Explores Connections Between K-Pop and Hip-Hop Now in its fifth year, the series brings together artists, industry leaders, and s...
29/09/2026
We tend to think we live in a digital world, with hopes and fears around artificial intelligence (AI), quantum computing, data centres and the next big technolo...
29/09/2026
Today, in partnership with the American Academy of Pediatrics (AAP), Apple relea...
29/09/2026
Final Cut Camera, the professional filming app for iPhone, receives a major upda...
29/09/2026
RT lyric fm is proud to announce the annual Choirs for Christmas competition callout. Warm up those vocal chords and join us on RT lyric fm for a celebration ...
28/09/2026
The NHL has announced Adobe as an Official Creative, Marketing and AI Partner beginning with the 2026-27 season. The partnership will provide the league and its...
28/09/2026
MultiDyne will exhibit at CABSAT 2026 (October 5-7, Dubai Exhibition Centre), showcasing an expanded technology portfolio following its June 2026 acquisition of...
28/09/2026
ARRI and HONOR have announced the HONOR Magic9 Pro Max, a flagship smartphone carrying ARRI branding on the device and packaging as the first product-level expr...
28/09/2026
Net Insight has added the Nimbra 1020G to its pan-Asian live media trial network, giving customers and partners in the region a way to evaluate ST 2110 and JPEG...
28/09/2026
Vindral has been named a recipient of a 2026 Technology and Engineering Emmy Award by the National Academy of Television Arts and Sciences in the category of We...
28/09/2026
Interra Systems will exhibit at CABSAT 2026 (Stand B2-37, Dubai Exhibition Centre, October 5-7), demonstrating its BATON QC platform, ORION monitoring solutions...
28/09/2026
Two years into its new production facility, the TOUR is expanding centralized wo...
Own a Linear Acoustic product and wondering if you are compliant with the updated regulation? The simple answer: You are!
