[Scott Dorsey]

geoff wrote:
On 7/12/2014 4:27 a.m., Scott Dorsey wrote:

Early converters had a lot of linearity problems, and the end result was
somewhat unpleasant high end. Remember this was the age of very long
ladder converters; if you recorded a 1kc tone at -60dBFS and played it
back, it sounded audibly buzzy (implying more than 2% distortion) on the
1610.

Pre-emphasis did a lot to reduce some of the high end distortion products
at the expense of a little dynamic range. The difference in sound on the
1610 (or even worse the SV3700) was quite audible.

Thank God those days are over.


Bop Till You Drop would have been even better without the q.noise - but
that was on the recording side of things rather than playback ....

That's the point of pre-emphasis... the higher frequency distortion
components are reduced compared to the signal because you have increased
the amount of high frequency signal before conversion and then decreased
it on playback.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."