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Sound - Loudness

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Loud Commercials and the CALM Act. Background Effective December 13, 2012, the FCC's rules require television commercial advertisements to have the same average volume as the programs that they accompany.

Loud Commercials and the CALM Act

The FCC established these rules to comply with the directive of Congress contained in the Commercial Advertisement Loudness Mitigation (CALM) Act (PDF). Using B.S. 1770-1 for Fun and Profit. Using B.S. 1770-1 for Fun and Profit Our CALM story so far… Last month, I promised to discuss with you the audio measurement protocol known as B.S. 1770-1 (from the ITU), pursuant to a discussion of measured broadcast playback levels that I made and reported on earlier.

Using B.S. 1770-1 for Fun and Profit

B.S. 1770-1 is a protocol (an algorithm, actually) for modifying the television audio signal to measure its magnitude in a way that more closely agrees with humans' subjective sense of loudness. The protocol also includes another feature having to do with the detection of digital peaks, which we are not going to discuss here. B.S. 1770-1 is now mandated, through the CALM Act, as the approved way to determine the broadcast level of an audio signal (mono, stereo or multichannel). Designing Sound. Guest Contribution by Michael Theiler of Kpow Audio We always knew The Banner Saga was going to be something special.

Designing Sound

First contact with the guys behind it was so positive and just easy. Our meetings and emails hit all the rights notes creatively so much so we just knew it was going to be an exhilarating ride. We weren’t wrong. Working on a project with such rich creativity and depth behind it, paired with the encouragement and trust the team showed, buoyed us, and heightened our commitment to the project.