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paulw2

Believe Your Ears, The Ads Are Louder

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"Consumer advocates are calling for tougher limits on the noise of television advertisements after tests showed they are up to 50 per cent louder than the programmes they follow.

Testing commissioned by the Weekend Herald of 23 commercials showed primetime ads on TV3 were 50 per cent louder than programmes and TV One ads 20 per cent louder.

Harvey Norman and Placemakers ads and TV3 network ads such as for America's Top Model were among those singled out as especially loud.

The rest is here.

http://www.nzherald.co.nz/section/1/story....jectid=10510704

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Paul,

There is a maximum level of modulation of a transmitter before you interfere with all radio spectrum users. This is unchanged. What the advertisers do is to use a dynamic graphic equaliser to increase the volume of all the quieter sounds. This makes the advertising sound louder without exceeding the maximum volume which can be sent.

The strength of the radiated signal has no effect on the loudness of the sound.

AlanH

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