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I am now re-reading Akio Morita's autobio. I'll see what he says there.
L

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On Sep 9, 2014, at 6:52 AM, Paul Urbahns <[log in to unmask]> wrote:

> Let me ask the experts a question that has bothered me for years.
> 
> I remember when CDs were first issue it was widely stated the playing time
> ( and thus the physcial size) was determined so that a complete performance
> of Beethoven's 9th Sym. would fit on one CD. Never heard mention of one
> particular version.
> 
> Wikipedia mentions under Disc shapes and diameters at this address:
> http://en.wikipedia.org/wiki/Compact_disc
> Mentions.... This capacity was reportedly specified by Sony executive Norio
> Ohga <http://en.wikipedia.org/wiki/Norio_Ohga> so as to be able to contain
> the entirety of London Philharmonic Orchestra
> <http://en.wikipedia.org/wiki/London_Philharmonic_Orchestra>'s
> recording of Beethoven's
> Ninth Symphony <http://en.wikipedia.org/wiki/Beethoven%27s_Ninth_Symphony> on
> one disc. However the reference article only mentions. "The flamboyant
> music connoisseur insisted the CD be designed at 4.8 inches in diameter to
> hold 75 minutes worth of music — in order to store Beethoven's Ninth
> Symphony in its entirety." This does not mention a specific performance.
> 
> So if there was a specific performance  in mind which one was it and is it
> still in release. Please mention one of  the release numbers.
> My only complaint is that they did not set up a standard for mono CDs. If a
> true mono standard was created at the time, a mono CD could have contained
> twice the musical material. I realize some labels have recorded two mono
> signals (one in each channel) but that requires you to listen to one
> channel or the other, it was not set up in the standard to active a true
> mono mode in the format.
> 
> Paul Urbahns
> Radcliff, Ky
>