SRS Launches Comprehensive Suite of Loudness Management Solutions for Broadcast Industry
November 29 2011 - 8:00AM
Business Wire
SRS Labs (NASDAQ:SRSL), the world’s leading supplier of
advanced volume leveling solutions, announced today the
availability of SRS HELM® (Head-End Loudness Management), a new
line of professional broadcast solutions for MVPDs and broadcast
operators around the world. SRS’ HELM family of volume leveling
solutions includes HELM-RT (for live feeds, or Real-Time processing
applications), and HELM-FB (for offline, File-Based workflows).
HELM introduces a new integrated solution for loudness
management.
HELM-RT was designed specifically for real-time processing of
live content. Unlike other broadcast products on the market,
HELM-RT not only analyzes linear broadcast feeds for compliance,
but also automatically and precisely corrects any feeds detected to
be out of the set house reference level (-24 LKFS for CALM
compliance). HELM-RT has been designed using innovative techniques
to minimize alteration of the program stream except when
non-compliance is detected. While the intelligence in the HELM
correction engine is proprietary, the loudness measurement
algorithms are based on international ITU-T: BS.1770-1, and
BS.1770-2 standards.
To complement HELM-RT, SRS has also designed HELM-FB for offline
content processing. Without the requirement to function in a linear
real-time environment, HELM-FB has the ability to analyze an entire
short or long form program many times faster than real-time to
accurately determine its loudness prior to making corrections.
Ideal for VOD content ingest, HELM-FB was created with content
creators and programmers in mind. It seamlessly levels volume
fluctuations without altering the program’s dynamic range in any
way unless instructed to by the user. Both HELM solutions have
detailed logging features to provide audit trails for proof of
compliance.
HELM-RT and HELM-FB were designed from the ground up based on
SRS’ active participation and experience as a member of ATSC 6-3,
the committee charged with amending the A/85 specification
referenced in the CALM Act, as well as our close work with tier one
pay TV operators and their leading professional broadcast solution
partners.
“Volume inconsistencies from program to program and program to
commercial have plagued broadcast television since the dawn of the
TV age and have only become more severe with the introduction of
digital broadcasting,” said Alan Kraemer, Chief Technology
Officer for SRS Labs. “In the US, Congress took the initiative in
2010 to lay the foundation for putting an end to this common
annoyance once and for all. The need for broadcasters across the US
to fully comply with the CALM Act starting at the end of next year
provided us with a unique opportunity to innovate a targeted
comprehensive solution. We are excited about the results and are
now engaged with operators in the rollout of our solutions in their
suppliers’ products.”
SRS’ experience in tackling the volume fluctuation problem dates
back to 2008 when the award-winning SRS TruVolume® solution first
became available within Samsung and Vizio flat panel televisions.
Today, TruVolume is the most popular and successful volume leveling
solution available in the market with more than 125 million
consumer electronics devices featuring the solution.
For more information about this announcement, SRS or our
technologies, please contact us at pr@srslabs.com or visit
us on Facebook, Twitter and YouTube.
SRS Labs’ company description and important cautions regarding
forward-looking statements made in this release is available at
www.srslabs.com/boilerplate.
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