David Brooks aka the stalking weasel

On Wed, 31 May 2017 10:25:32 -0400, nospam
wrote:

In article , Eric Stevens
wrote:

if they can't be heard, they can't be detected.

Absolutely false.

it's not false. it's common sense.

audio signals are heard. if they can't be heard, they do not
matter. at
all.

They produce pressure waves.

so what? humans can't hear them.

In many cases the pressure waves can be sensed.

not many, and it's not reproduced by vinyl either, so it's irrelevant.

You have obviously never listened to the Shure test record which
includes the 'Drum' test. It's a test of tracking but my old SME arm
with Ortofon 10 cartridge stayed with all the way.

stop moving the goalposts.

Stop pretending I'm moving the goal posts.

i'm not pretending. first you said harmonics, then you talk about low
frequencies.

You are really struggling. We were then talking about digitizing
complex wave forms. At this stage we were discussing ultra low
frequency pressure waves, of which the Shure Drum Test contained many.

there is no issue with reproducing low frequencies in digital.

Why bother? According to you they can't be heard (probably true with
the average audio gear in use today).
--

Regards,

Eric Stevens