[78-L] A question about Vitaphone discs

[David Lennick]

Could the various elements have been recorded at 78 and then dubbed? Every sync 
disc I've ever seen (Vitaphone, MGM, United Artists) has been 33. Some have 
been 12", like an Oswald the Rabbit soundtrack.

dl


On 11/20/2016 1:16 PM, Mark Bardenwerper wrote:
> 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!
>