[78-L] Orthoacoustic

[David Lennick]

I've seen "orthacoustic", never "orthoacoustic". Difference?

(Actually it refers to any pre-electric recordings of "In A Clock Store" which 
is the only piece I know of composed by a man named Charles J. Orth.)

dl

On 7/19/2014 10:28 PM, Royal Pemberton wrote:
>
> I think Orthacoustic was a recording curve only used for transcriptions,
> not for commerical 78s.
>
>
> On Sun, Jul 20, 2014 at 3:14 AM, DAVID BURNHAM<burnhamd at rogers.com.invalid>
> wrote:
>
>>
>> I have always believed that the American record manufacturers introduced
>> high frequency pre-emphasis in 1936; however, I was just reading the
>> Sherman/Nauck book "A collectors guide to Victor Records" and they say that
>> it was introduced at the end of 1939, and it was called "orthoacoustic".
>>   Am I miss-reading something here or is 1939 the correct date?
>>
>> db
>> __________________________