Have you considered playing back the recording at 4x speed? You'll still he=
ar when something happens ...
On 08/04/2013, at 8:31 AM, rock_scallop <> wrote=
:
> Hi Chris,
> I skim recordings in spectral view in screen views of 10 minutes or less.=
I skip though, playing short selections with special attention to any visu=
al cues for new sounds or changing dynamics. When I find noteworthy section=
s, I listen while writing a description with time position and duration ref=
erences in a separate textual file, and then begin skipping forward ahead a=
gain to find the next noteworthy section. An hour of recording might take f=
ifteen or twenty minutes to skim this way. When I am done I can go through =
my notes and return to pertinent sections with more scrutiny. I often have =
more than 16 hours of material to review from a weekend recording trip.
>
> John Hartog
> oregonsoundscapes.com
>
> --- In "chrishails50" <> wro=
te:
> >
> > Dear all
> >
> > Related to my last question, I wonder if anyone has any great tricks fo=
r reviewing long duration recordings ?
> >
> > I have over the years amassed enough reasonable mics and machines to ha=
ve at least two sets (and maybe a third) that can be left out unattended ov=
ernight. I would like to survey my local woods and forests and catch some o=
f the owls that are out there that I have not yet recorded.
> >
> > But my question is how to review an 8-10 hour session efficiently ? In =
the past I have had them playing background whilst I do other tasks, but no=
rmally I can only spend maybe 2 hours doing that. I then moved on to scanni=
ng the waveform files (for night-time this works I think): I apply a 100% n=
otch filter below 600Hz to get rid of passing planes and boy racers then sc=
roll the waveform (I use Audition 3)and look for peaks that could be intere=
sting sounds. But as I have just discovered even this takes a chunk of time=
if I have two machines running overnight.
> >
> > I know a real field guy would spend the night wandering the forest with=
his parabola, but I have a day job too.....has anyone else faced this ?
> >
> > Thanks for any tips or ideas.
> >
> > Chris
> > http://www.wildechoes.org
> >
>
>
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