From: "John Smith" on Fri 1 Jul 2005 12:25

Dee:

My "simple math" is actually just your "simple mind" and you cannot
tell the difference.

Dee is smart. But, her emotional LOVE of "CW" over-rides her
reasoning ability.

If I send perfect video, encrypted off a DVD you will indeed notice
that it slows, pauses and is not acceptable for broadcast--however, if
you encrypt the sound to mp3 and the video to avi it becomes childs
play for anyone who is technically savvy and results in video and
audio which is magnitudes faster than SSTV.

Get away from these ancient amateurs who have gone blind and ask where
it has "ALREADY BEEN BEING DONE FOR A DECADE!!!"

Actually, FOUR decades. The Bell Systems' video telephone.

There's a lot of its history on the Internet. I can dig up
the URL from an archive CD which has digitization of Bell
Labs documents in it...but, it's no use taking the trouble
because the "CW" LOVERS in here won't have any of it.

This dial-up modem I and hundreds of thousands of others are
using sends/receives (full duplex) 56K rates in a 3 KHz BW.
To follow the "simple arithmetic rules" (from Carson's
series equations), the telephone bandwidth "should be"
about 100 KHz! Obviously it isn't. 100 KHz BW down to fit
in a 3 KHz BW! :-)

MPEG4 compression-expansion for real-time video is quite alive
and well on our Comcast cable digital feed. About 230 TV
channels in the bandwidth (digitally encoded) where we had only
about 60+ in analog form. BTW, that includes the DTV already
broadcast which is also on the same digital cable feed...and
DTV already has over 3:1 compression to fit inside an alloted
6 MHz BW. [more pixels than analog equivalent but an exact
number will bring out those nasty nit-pickers who will midsdirect
the thread into some "never ending story" about compression]

Military small-unit field radios have, for two decades, used
digitized VOICE that fits inside a 3 KHz BW, with or without
encryption. Standard COMSEC, either internal (built-in) or
external as a peripheral unit.

There's lots more examples of digitization and compression,
from license-free FRS toy walkie-talkies to the 2.4 GHz cordless
phones to tens, no hundreds of thousands of WLANs at work and
at home, all cramming lots of data into less bandwidth than
thought possible...carrying with it real-time video from closed
circuit TV cameras and (analog) wide-band music. Hundreds of
texts available at Amazon on the subject.

"CW" LOVERS will have NONE of that. Their snarly tones are like
the old Spark signals...growly and taking up bandwidth equal to
all of 75 meters.

Standing there looking stupid is no way to go through life girl!

There's no accounting for taste when emotionalism over the
narrowbanded amateur "CW" LOVE pushes aside logical reasoning.

None of the "CW" LOVERS in here will have any of it until the
ARRL anoints the subject with a papal Sumner blessing. Amen.