[BC] Re: Could our concept of audio be all wrong?

[Mark Humphrey]

Letter of the law from 73.317(e):

Preemphasis shall not be GREATER (emphasis added) than the
impedance-frequency characteristics of a series inductance resistance
network having a time constant of 75 microseconds.

So as I read it, 50 or 25 microseconds should be completely legal.

Mark

On Fri, Mar 13, 2009 at 6:28 AM, Milton R. Holladay Jr.
<miltron at mindspring.com> wrote:
> If I were king of all media/the FCC/the world, pre-emphasis would be backed
> off to 50 microseconds (maybe even 25) as well as what you suggest.( People
> with old radios could turn up the treble.) ISTR that you have discussed the
> benefits of this some time ago...................