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Stewart Pinkerton
 
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Default Digital high frequency distortion

On 26 Jul 2004 23:17:24 GMT, (maxdm) wrote:

Clearly, you have never tried to build anything that works! :-)


Actually my main mic, mic pre, compressors guitar amps and hi-fi were
built by me and I modify my equipment regularly since most companies
build equipment under budget nowadays (not like german recording
equipment of the 50s for example which was made only for pro use -- no
consumers).

Everybody who hears my stuff is very impressed.


I'm sure they were properly polite about gear you'd spent a lot of
time on. I suspect that you used a heck of a lot more basic
engineering than 'art' in the design, however..............

using your ears has it's advantages.

P.S. one properly implemented special quality tube (e80cc) will
distort less than it's solid state counterpart (fet/transistor) and
not need as much feedback (I avoid it altogether and use less stages)
and retain imaging and the 'human element' more than solid state.


Not really, it simply has lots of *internal* feedback. Surely if you
are *designing* with this device, you know this? BTW, what is 'the
human element' supposed to mean? Is the output the same as the input,
or not?

funny thing is that I used to believe that fets mosfets etc were the
ideal audio active components, but .. one day I heard a triode amp
with two stages and the 'someone is in the room with me' feeling was
there again.


Is the output the same as the input, or not? That's all that matters.

I like lm6172 op amps when I really have to use them since they are so
fast the transients will pass through the feedback path *almost* in
real time. I avoid op-amps usually though

I believe if someone is trying to safeguard their 'hard earned skills'
it is probably you, since you seem to design digital equipment.


Although I'd probably come under the 'mixed signal engineer'
description these days, I'm actually a precision analogue specialist -
I just don't waste my time with obsolete technology like tubes. If I
want reverb, I'll add it later as required, not have it present *all*
the time due to tube microphony.

By the way, I agree that 24/192 sounds better than 16/44.1.


With whom are you agreeing? Not me.

we'll see in a few years where digital takes us.

I'll be stuck with my 400 CD's that will undoubtedly sound grainy and
flat compared to the new technology,

Oh well the record companies will be happy to transcribe their high
resolution ANALOG MASTERS again on whatever format will come out and
all you digital engineers out there will have plenty more work on your
hands!


If you really were an engineer, you wouldn't refer to analogue masters
as having high resolution - it is never better than 90dB, and usually
a lot less.
--

Stewart Pinkerton | Music is Art - Audio is Engineering

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