Raimond,
thank you,
Yes it is Oriolos oriolos, I have heard it in xeno cANTO.
Jos=E9
--- In "Raimund" <> wrot=
e:
>
> It is also the Golden Oriole, I think. See http://www.xeno-canto.org/1340=
Message: 60.
Subject: >
> Regards,
> Raimund
>
> --- In "freitojos" <josefreitas81@> wro=
te:
> >
> > Here is another with a strange call after 10 minutes.
> > Same place today.
> > Regards,
> > Jos=E9
> >
> > https://soundcloud.com/freitojos/t0700z-strange-call-and-bird
> >
> > --- In brini@ wrote:
> > >
> > > It is interesting how you get different aspects pointed out from diff=
erent
> > > listeners.
> > >
> > > What I heard was enharmonic distortion (but not a lot) and I confirme=
d this
> > > by listening at quarter speed and 1/16 speed, with audiograms and wit=
h and
> > > without frequency filtering. Enharmonic distortion is at frequencies =
not
> > > related to the original signal and is much more audible at low levels=
than
> > > harmonic distortion. On a single note, several percent of harmonic
> > > distortion is often inaudible. What we complain about is enharmonic
> > > distortion when less than 1% can be unpleasant.
> > >
> > > The peak distortion near the end is slight and in practice inaudible =
as it
> > > appears to be less than 1dB overload. When this happened, (before or =
after
> > > digitisation) I don't know, but with many recorders, levels like this=
> > > trigger an automatic volume control giving a "hole" after the peak wh=
ich is
> > > a much more audible defect than a simple peak distortion.
> > >
> > > The answer, as ever, is to record low. I would advise aiming at peaks=
coming
> > > in at -10dB or -12dB below 100%. We are long past the era when you ha=
ve to
> > > cram everything on as high as possible to overcome tape hiss, but the=
habit
> > > sometimes lingers on. Plenty of headroom is essential with nature rec=
ording
> > > where peaks cannot be predicted. Out of doors, natural noise will alm=
ost
> > > always swamp out any digital noise you will hear after lifting the pl=
ayback
> > > level to peak to -3dB or -6dB.
> > >
> > > Note about Blumlein recording (and ORTF etc). Any rig using spaced mi=
cs will
> > > introduce phase shifts between left and right. This sometimes enhance=
s the
> > > stereo effect on headphones, but with open speakers, the image you he=
ar is
> > > very dependant on the room acoustics. The is why most studio mixes us=
e level
> > > stereo using pan pots rather than phase stereo to give a more predict=
able
> > > stereo image.
> > >
> > > David Brinicombe
> > >
> >
>
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.
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