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The Commercial Advertisement Loudness Mitigation Act (H.R. 1084/S. 2847) (CALM Act) requires the U.S. Federal Communications Commission to bar the audio of TV commercials from being broadcast louder than the TV program material they accompany by requiring all "multichannel video programming" distributors to implement the "Techniques for Establishing and Maintaining Audio Loudness for Digital ...
An automatic volume limiter system (AVLS) is an option that limits the maximum volume level and is enabled through software or hardware in stationary or portable media player devices used with headphones such as the Walkman or Sony PSP. [1]
Compression is used extensively in broadcasting to boost the perceived volume of sound while reducing the dynamic range of source audio. To avoid overmodulation, broadcasters in most countries have legal limits on instantaneous peak volume they may broadcast. Normally these limits are met by permanently inserted compression hardware in the on ...
Other common software features include volume limiting, customizable power-on splash image, and channel hiding. These TVs are typically controlled by a set-back box using one of the data ports on the rear of the TV. The set back box may offer channel lists, pay per view, video on demand, and casting from a smart phone or tablet. [78] [79]
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Early monochrome analog receiver with large dials for volume control and channel selection, and smaller ones for fine-tuning, brightness, contrast, and horizontal and vertical hold adjustments. Analog television is the original television technology that uses analog signals to transmit video and audio. [ 1 ]
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Apple TV can be controlled by many infrared remote controls [111] or paired with the included Apple Remote to prevent interference from other remotes. [88] [112] [113] Either kind of remote can control playback volume, but for music only.