Date:         Sun, 7 Jan 2007 10:46:39 -0800
Reply-To:     Association for Recorded Sound Discussion List
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Sender:       Association for Recorded Sound Discussion List
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From:         John Ross <[log in to unmask]>
Subject:      Re: Audio compression on radio,
              was Re: [ARSCLIST] Libraries disposing of records
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>Well, back in my youth of AM mono car radios, they tinkered with speed
>rather than volume...the whole idea was to play records 5% or so fast,
>leaving more time for (profitable) commercials...

Extra time wasn't the issue -- they could have accomplished the same 
thing by playing one less record per hour. But when a station 
increased the speed, it also sped up the tempo, which meant that the 
same record on the competing station would sound slower. The program 
directors hoped that their listeners would think "everything sounds 
better on KLUNK than it does on KRUD."

John Ross