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Starting maybe three weeks ago, the difference in volume between programs and commercials has increased dramatically. Commercials are literally blasting to the extent that we have to mute the entire commercial break. This is very annoying and inconvenient. What's behind this?
I have this same issue, and I don't think it is necessarily a Cox problem. Loud commercials have been a problem for many years on various providers (even over-the-air reception). Although there have been attempts to combat this, none have been successful. Your best course of action would be to file a complaint with the FCC.