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Consumer Electronics by S. P. Bali

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VU METERS

Of all the VU meters seen over the last several years, only a very few were actually VU meters. A true VU meter is a relatively expensive device which, if incorporated into such consumer products as cassette tape decks, would substantially add to the cost of those products. In other words, most of the so called VU meters found in such tape decks are not truly VU meters at all. A true VU meter, developed by broadcast and television engineers is nothing more than a rectifier ac type voltmeter which responds to signal level components whose amplitude lies somewhere between the average and the peak values of a complex waveform. In order to comply with the existing standards, it should take the meter's pointer or indicator somewhere between ...

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