[78-L] constant velocity records, was Value of 78's

[joe@salerno.com]

Yes, DCart has, at least in older versions, a variable PB speed 
function, you could create a linear filter - start at -50% say, end at 
plus 50%, or some such; or variable and make it go all over the place up 
& down within one selection.

joe salerno


Dnjchi at aol.com wrote:
> In a message dated 3/20/2009 9:25:42 P.M. Eastern Standard Time,  
> dlennick at sympatico.ca writes:
> 
> joe at salerno.com wrote:
>> the World label was available at least  during 1923 and 1924 and are 
>> almost totally unique
>>> among  78s produced for commercial sale: they are not meant to play at a  
> consistent
>>> speed!  In order to keep the velocity of the  record consistent, a special 
> mechanism was
>>> attached to the  gramophone to speed up the record as the soundbox moved 
> over it. 
>>  
>> has anyone ever figured out a speed change formula for transferring a  
>> constant velocity record?
>>
>> Or is it dependent on the  record size or something?
>>
>> joe salerno
>>
> 
> Norman  Field, who hasn't returned to this list, transferred at least one 
> World  
> some years ago and sent me a copy. Mind you, it was spoken word (a Fred  
> Duprez 
> routine). Variations in speaking pitch can be just as audible as  variations 
> in 
> music, but I don't know if he successfully transferred  music.
> 
> dl
> Playback might be possible if software could be developed by which the  speed 
> of the download might be increased or decreased (which is it?) linearly  from 
> start to finish.  That is, digitalize at (say) 78, and then use some  program 
> to adjust for playback.  Has this yet been done?
> Don Chichester
> 
> 
> 
> **************Feeling the pinch at the grocery store?  Make meals for Under 
> $10. (http://food.aol.com/frugal-feasts?ncid=emlcntusfood00000002)
> _______________________________________________
> 78-L mailing list
> 78-L at klickitat.78online.com
> http://klickitat.78online.com/mailman/listinfo/78-l
>