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Re: full moon, full gain, full bit rate

Subject: Re: full moon, full gain, full bit rate
From: Klas Strandberg <>
Date: Mon, 01 Aug 2005 04:34:19 +0200
Rob, can you make a "hiss" demo with different MP3 settings?? I am
unfamiliar with that sort of hiss. The noise I hear on John's recordings
sounds like "typical transistor noise".

John - can we have a few seconds of the Robin or Coyote as .wav?? I really=

need to sort this out.

Klas.

At 03:24 2005-08-01, you wrote:
>Thanks John! Love the yotes. Is the first single perhaps calling for
>a  \partner thats out of range?  She/he is turning and calling in
>different directions right?  The sources of three slap back echos
>towards the end are interesting to think about too.
>
>I believe the widely distributed hiss, waivering and artifacts are
>largely the result of the the mp3 encoding. Its 1:45 long  and
>requires 1.6mb, so a data rate of 15.6K bytes/sec. Low even for mp3
>standards. An uncompressed file would give us a better sense of
>noise, if any, introduced byt the pre. Rob D.
>
>   =3D =3D =3D
>
>
>At 2:55 AM +0200 8/1/05, Klas Strandberg wrote:
> >Hi John!
> >
> >In his "self-noise" debate: Now when I hear your recordings again - afte=
r
> >getting acquainted with the NT1A, - I think I hear a hiss which does not
> >come from the mic.
> >
> >It could be atmospheric noise (leaves, grass in very minor wind) but it
> >sounds electronic. Is it the PMD670 or something else?
> >
> >Or is this what the NT1A sounds like when it is cold?
> >Which temperature did you have?
> >I hear it also on the Robin recording. Same "hiss".
> >
> >Klas.
> >
> >   when I listen to your recordings.At 01:08 2005-08-01, you wrote:
> >>Last weekend I returned to the Aldrich Mountains: this time we stayed
> >>at Deer Creek Guard Station.  One nice thing about this forest service
> >>cabin (and also the one at Murderers Creek) is no electricity. The
> >>lights, refrigerator, and stove run on propane, which does make some
> >>noise but nothing like the annoying hums and buzzes that come from
> >>electrical devices.
> >>
> >>Just after dark I went out on a walk listening for owl sounds, but I
> >>didn't hear any.  A little later as the nearly full moon rose from the
> >>trees and illumined the meadow, a coyote began beckoning others to
> >>join in chorus.  In this recording there are two coyotes, some
> >>crickets, and a mystery bird - any takers? (1.6MB) (PMD670 full gain,
> >>NT1-As at 60deg and with barrier):
> >>
> >>http://www.rockscallop.org/ear/jh-050722-nightcoyote.mp3
> >>
> >>For Rob Danielson's comparisons of recorders and microphones, he
> >>requested examples recorded at full gain. For the PMD-670, the maximum
> >>gain is an unimpressive 45dB.  Here's a 30 sec example at dawn at full
> >>gain.
> >>
> >>http://www.rockscallop.org/ear/jh-050723-0424_rl10-60dg-b1.mp3
> >>
> >>Here's another short example with the levels set at 7 out of 10.
> >>
> >>http://www.rockscallop.org/ear/jh-050723-0521_rl07-60dg-b1.mp3
> >>
> >>Here's another example (PMD670 set at 7) of coyotes joining in chorus
> >>around 5:30 am.
> >>
> >>http://www.rockscallop.org/ear/jh-050723-0526_coyotechorus.mp3
> >>
> >>Any comments, questions, or suggestions are welcomed.
> >>-John Hartog
> >>
> >>
> >>
> >>
> >>
> >>
> >>"Microphones are not ears,
> >>Loudspeakers are not birds,
> >>A listening room is not nature."
> >>Klas Strandberg
> >>Yahoo! Groups Links
> >>
> >>
> >>
> >>
> >
> >Telinga Microphones, Botarbo,
> >S-748 96 Tobo, Sweden.
> >Phone & fax int + 295 310 01
> >email: 
> >         
> >
> >
> >
> >"Microphones are not ears,
> >Loudspeakers are not birds,
> >A listening room is not nature."
> >Klas Strandberg
> >Yahoo! Groups Links
> >
> >
> >
> >
>
>
>--
>Rob Danielson
>Film Department
>University of Wisconsin-Milwaukee
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>

Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email: 
        



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