March 2012 Meeting


SMPTE Philadelphia Section Meeting Notice

Date:
Tuesday, March 13, 2012

Location:
QVC www.qvc.com
West Chester, PA

Host:

Bruce Jacobson – QVC

Presentation:
Delivering Quality Sound: A Farewell To Loudness Issues


Is it possible to regulate an audio signal to the point of it being unlistenable? These days, nothing seems impossible. Federal regulators want to satisfy their constituents. Decibel levels and loudness targets are well intentioned, but when relied upon as the sole arbiter of compliance they often lead to content that, while consistent, may be overly so – like gravy without the occasional lump – the excitement of variance is gone.

The trick is to preserve the “good” variance and manage the not so good variance. The guidelines for making it all work boil down to one rule we should post on our wall: don’t upset the viewer! This is where it all begins and ends. No complaints = happy regulator = happy broadcaster. The challenge then is to manage the cost of this satisfaction versus preservation of content. The presenter will review the current status of the industry, the FCC and loudness standards, then explore some practical methods to make it work.

Presenter:
Tim Carroll is the President and founder of Linear Acoustic Inc., a company which designs and manufactures the AERO™ range of real-time and file-based audio loudness control solutions, and UPMAX® upmixing and downmixing technologies. The company provided its products technical services for NBC’s coverage of the 2008 Beijing Summer Games and the 2010 Vancouver Winter Games. Linear Acoustic was a recipient of a Technology and Engineering Emmy Award for work on metadata and loudness.Tim is a member of IEEE, AES, SBE, SMPTE, and BKSTS and is a participant in the work of the ATSC and the EBU.

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