ATSC 2009 Seminar on Audio Loudness

Details

2009 ATSC Seminar on Audio Loudness
Date: Wednesday November 4, 2009
Time: 9:00 AM to 4:30 PM
Location: Law Offices of Wiley Rein
1776 K Street NW
Washington, DC 20006

As noted in the ATSC Strategic Plan, some areas of DTV audio implementation continue to be problematic, in particular loudness variations and audio synchronization with video. Because these issues can only be corrected throughout the broadcast system with a cross-industry effort, the ATSC established two groups within the Specialist Group on Video and Audio Coding (TSG/S6), led by Pat Waddell of Harmonic, to focus on audio:

• Audio Loudness Group (S6-3), led by Jim Starzynski of NBC Universal
• Audio Synchronization Group (S6-4), led by John Henderson of CEA

It is important for the digital television system to provide uniform subjective loudness for all audio content. Consumers find it annoying when audio levels vary when changing channels, and when watching a single channel. Dialog, the spoken word, has been identified as the element that audiences typically adjust their volume to. Achieving an approximate level match for average dialogue level from all content is a desirable goal.

This day-long seminar will examine the key elements of audio loudness control. The presenters are all audio professionals active in the industry and closely involved in ATSC work relating to broadcast audio. The seminar will include discussions of broadcast audio challenges in the real world, mix room monitoring, and measurement techniques.

Agenda

9:00 AM - Introduction and Welcome

Background of the ATSC’s Work on Audio Issues- (Patrick Waddell, Chair of TSG/S6)

Regulatory situation- (TBD)

Industry outreach- (Burke Moody, AICE; Joined via phone by Tom Jucarone, Sound Lounge, NYC)

Real-world applications panel- (Roger Charlesworth, moderator.Panelists include Greg Coppa, CBS; Craig Cuttner, HBO; Jim DeFilippis, FOX; Jim Kutzner, PBS; Sean Richardson, Starz; and Jim Starzynski, NBCU)

11:45 AM - Working Lunch

Panel on the RP key topics- (Jim Starzynski, NBCU, moderator)

Final ATSC update (the change from LAeq to BS.1770)- (Pat Waddell, Harmonic)
4:30 PM - Closing remarks, followed by Reception

Sponsors

Please contact Lindsay Shelton-Gross at lsheltongross@atsc.org if you are interested in becoming a GOLD or SILVER sponsor for the Audio Loudness Seminar! Basic sponsorship details are available for download: Sponsorship Details (PDF)

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