CALM law regulating TV commercial volume takes effect
The so-called CALM Act takes effect Thursday, making it a federal violation for TV stations and cable and satellite operators to broadcast commercials at excessively high volume. (Isaac Garrido / Associated Press / November 20, 2012)
On Thursday, the Commercial Advertisement Loudness Mitigation Act, which limits the volume of TV commercials, goes into effect. The federal law, known as CALM, requires broadcasters to ensure that TV commercials maintain the same volume as the entertainment programming in which the ads are contained.