"Green Xenon [Radium]" <glucegen1@[EMAIL PROTECTED]
> wrote in message
news:480d71c5$0$12919$4c368faf@[EMAIL PROTECTED]
> Thanks for your response.
>
> Ken Hart wrote:
>
>
>> Based on your comments, the audio output depends on the density of the
>> exposed film. Film does not always have straight-line response to
light.
>> Additionally, the developing process may not always cause a
straight-line
>> density response. For example, if a particular audio tone goes from 10%
>> to 90% electronically, the film's response may be 10% to 50%.
>> Additionally, the developement may move the film's response so that the
>> final result might be 30% to 100%. You have to consider the base
density
>> of the film, and the contrast of the film.
>>
>
>
> What do you mean by "audio tone goes from 10% to 90%"? "Goes from"??
>
I was referring to the Amplitude or volume
>
>> As for the characteristics of the film, a finer grain film will allow a
>> quicker change in density, allowing a higher frequency sound to be
>> recorded for a given speed of trans****t.
>
>
> What determines the dynamic range in the VD track?
I would guess the quantity of discrete density steps or shades of gray
that
the film can reproduce, the recording exposure lamp can create and the
'pickup' system can intrepret.
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