[78-L] A question about Vitaphone discs

[Mark Bardenwerper]

On 11/20/2016 10:20 AM, Doug Pomeroy wrote:
> I realize the wikipedia entry does say the speed of the Vitaphone 16" 
> discs
> was 33.3, but I  believe this is a mistake.  The audio quality a that 
> speed
> would be unacceptable. I have transferred many Vitaphone stampers and
> they are all 78s.
>
> *Doug Pomeroy*
> Audio Restoration and Mastering Services
> 193 Baltic St
> Brooklyn, NY  11201-6173
> (718) 855-2650
> audiofixer at verizon.net <mailto:audiofixer at verizon.net>
>
>
>
>> Recording time was first seen as a significant factor in movie sound
>> recording. Vitaphone began distributing 16 inch, 33 rpm records in 1929
>> or 30, with standard groove width.
>>
>> There were several advantages to vertical cut. Spacing could be
>> standardized and equalization was not as big a factor. Edisons were gear
>> driven and it was the lack of portability and the stranding of the
>> technology that ended Edison. Vertical records were still used in radio
>> transcription for a long time, where playing time remained important.
>> Smaller grooves came first to transcription, I think. The big change in
>> groove width had to wait for the end of WW2 for the general public,
>> though RCA introduced a short-lived special line of players and records
>> in late '31.
>>
>> Someone will chime in with better details I am sure. How accurate is
>> this info?
>>
>> https://en.wikipedia.org/wiki/LP_record
>>
>> -- 
>> Mark L. Bardenwerper, Sr.
>>
>

Hi Doug,

I hope you don't mind me posting this to the list. Perhaps it was a mistake.

Thanks!

-- 
Mark L. Bardenwerper, Sr.

Technology...thoughtfully, responsibly.

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