Question about LG 37LG30 37 in. LCD HDTV

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Auto volume has little or no effect on loud commercials

I HAVE SET THE AUTO VOLUME ON.
BUT CERTAIN COMMERCIALS STILL COME BLASTING.
IT SEEMS TO BE REAL BAD ON CERTAIN CHANNELS.

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  • Anonymous Feb 09, 2009

    I have the same problem on my new 37" LG. The commericals are really loud, and the movies are quiet. Every commercial break the volume has to be adjusted up and down manually. Really annoying. Maybe related to digital cable. Not sure.

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  • 64 Answers

This may not be a problem. I believe there is an audio effect used by video production houses to 'boost' the presence of an ads audio and this effect is not picked up by the electronic device's (in this case TV) volume stabilizing software. It is intentional by the makers of the ads.
A work-around could be to try different configurations on your TV's audio settings, such as just mono, or just 2channel stereo, or surround sound - on or off, increasing/decreasing bass and treble levels in different combinations.
The down-side to this is to get a comfortable, uniform level of volume across the board, you maybe sacrificing some sound quality - but, as with our eyes, our ears adjust well quickly (hence don't listen to too loud sounds) and what you may not like now, will sound ok tomorrow.
I can't tell if there is a fault or not, but this may help if you "trial" some options.

Posted on Jan 29, 2009

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Noting I can think of other than not wathcing a channel without commercials.

Commercials' volume is purposefully pumped up, that's a well known fact,

The TV doesn't make a difference between what's commercial and what not though - it just plays whatever stream level is being supplied.

Well, the amplification may not be and probably isn't linear, but regardless, the point is there's nothing you can do on the TV's end.

Another TV may be a bit less obtrusive, but commercials will always be louder and if whatever you watch is a bit more quiet than usual and you put the volume up to hear it then yes, ads will sure blow you when they come.

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What is the problem with the Vizio TV volume, it seems that when I am watching a show the volume goes up and down; it just blast up, especially when commercials come on.


There is nothing wrong with your TV. The loud commercials are to catch your interest before you leave the room for another snack or beer. You are not alone here, all other brands of TV will act the same. You may opt into the menu settings and seek an automatic volume control for commercials. Many TVs will have one. Not all, but just some. Thanks for asking and show a few hands of support!

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This is common of advertisers to do this. Some higher end TVs can auto adjust the volume to keep it at a more even level but commercials are usually louder on purpose. The FCC has just passed a bill to limit this practice. You can read more about it here:
http://www.switched.com/2010/10/01/senate-approves-bill-to-limit-volume-of-tv-commercials/

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I suggest using an amplifier ( yes an amp) reduce the volume on TV to just audible and plug in xtension line to an amp and set the volume on it. It is probably a faulty sound board in your unit. The use of an external amp will control it better by the audio out line.

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Hello, Sorry this isn't really a solution but when I went into Future Shop to inquire about purchasing a large Plasma TV with this "auto volume" feature I was told that this is not what it does. I thought what you did, that it controlled the annoyingly loud commercials. I was informed that it regulates volume between stations. So when you change channels, the volume stays consistant. I don't know why this is considered a feature when it's not really a problem. Please tell me if I was misinformed, but this would explain why the feature is not quietening the commercials.

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TV volume equalizer


Ear-jarring volume discrepancies between television shows and commercials may be a thing of the past if Motley Fool Stock Advisor selection Dolby Labs (NYSE: DLB) persuades TV manufacturers to include its new technology in their sets.
We're all familiar with the phenomenon: We're reclining in our Barcaloungers, calmly watching the late show when a commercial comes on and the volume has suddenly increased 10 decibels, causing us to spill our beer as we jump for the remote control. Dolby says its new Dolby Volume technology will make that rude awakening a thing of the past.
The technology is pretty important for Dolby, because systems incorporating its surround sound technology make the experience that much more jolting when it occurs. It might not be as jarring on your rabbit-ears set in the kitchen, but on that 60-inch plasma screen with five, six, or seven high-def speakers pointed at your cochlea, it can leave your ears ringing.
Dolby will unveil its volume control system at the Consumer Electronics Show Monday in Las Vegas, and the company hopes it will start appearing in television sets by year's end.
The difference in volume occurs because programmers try to compress the sound to boost volume without exceeding the limits the government has set. While most televisions today are equipped with circuits that are designed to stabilize the differences between TV shows and commercials, they are not necessarily effective and can still be problematic if the broadcaster fails to properly operate equipment on its end. Part of the problem: Depending on the type of program a commercial is inserted into, the commercial might actually be broadcast at too low a volume. While viewers might not consider that a problem, advertisers would, so generally, broadcasters transmit the sound all at one level.
Audiovox (Nasdaq: VOXX) recently came out with a device to help minimize sound differences by automatically detecting when a television has gone to commercial and lowering the volume for you. Dolby seems to go one better than this.
First, its technology isn't an external box that needs to be hooked up to the television set. We've already got enough wires crawling from our sets with DVD players, cable boxes, game systems, and whatnot. A sound "equalizer" might just be too much.
Dolby instead offers one chip that would be part of the set's components. (According to some reports, Cirrus Logic (Nasdaq: CRUS) has spoken highly of the development; it may wish to partner with Dolby to put the technology on its chips.) The technology then mimics how the human ear works, and how people perceive changes in loudness because of various factors. Dolby then created formulas to have the technology react to those factors to create a more even experience. It believes it could be applied to MP3 technology as well.
Perhaps another area where it should be investigated is cell phones. Despite advances there, sound quality has never been all that good, but Q Sound Labs (Nasdaq: QSND), another surround-sound developer, is using its MobileQ technology to provide a surround sound experience on close-proximity speakers and headsets. With advertising moving to mobile phones, quashing loud commercials before they begin could be a big seller.
Let's hope Dolby's technology proves popular, if only so that another drop of beer will never be spilled while jumping to turn down an annoying commercial.
Want to see what other high-decibel recommendations have been made in Stock Advisor ? A 30-day guest pass gives you full access to all the market-beating selections.
Fool contributor Rich Duprey owns shares of Dolby but does not own any of the other stocks mentioned in this article. You can see his holdings here. The Motley Fool has a disclosure policy.

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