“Does the sound adjust from channel to another (if sound is louder for some reason) .”
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Channel volume for TV stations frequently varies due to differences in broadcasting standards, audio compression techniques, and equipment used by networks. Commercials are often mixed louder than programming, and switching between channels (e.g., from 5.1 Dolby Digital to 2.0 stereo) can cause noticeable volume jumps. The LG - 65” Class UA7050 Series LED AI 4K UHD Smart webOS TV (2025), Model # 65UA7050PUB, has an Automatic Volume Adjustment that, when set to on, automatically adjusts the volume to a suitable level for each content you watch to help you enjoy watching more comfortably. The Commercial Advertisement Loudness Mitigation (CALM) Act, signed into law in 2010 and enforced by the FCC, requires television commercials to have the same average volume as the programs they accompany. It mandates that broadcasters use ATSC A/85 standards to control loudness, and its purpose is to eliminate, or "mitigate," the sudden, jarring increase in volume often experienced when television programs switch to commercial breaks...^Ivan.
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