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Re: [Nature Recordists] Old growth forest reference

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Subject: Re: [Nature Recordists] Old growth forest reference
From: hartogj <>
Hi David,

I do realize that nature sound recording comes in many shapes and sizes, so=
 I do
not doubt your claim about filtering, but for natural soundscape recording =
in
quiet places, I find almost all jet flyovers impossible to filter out witho=
ut
greatly compromising the recording.


I have not yet looked into the actual altitudes, but considering I usually=

record at least 200 miles from the nearest major airport, these flyovers mu=
st be
10 thousand feet or higher(just a guess), yet in my recordings they overwhe=
lm
all natural sounds up to 500 kHz and are typically still significantly audi=
ble
up 1000 kHz.  There is no filtering that can be done for it, and this is
generally where a nature track ends.


John Hartog

--- In  "Avocet" <> wrote:
>
> I don't think anyone has referred to aircraft height. I have trouble
> with unscheduled prop planes, helicopters, microlites and the
> occasional military jets at 500 feet flying between Exmoor and
> Dartmoor which are dramatic but brief, but in the far West of England,
> jets at service height are only a faint rumble which can be filtered
> out.
>
> David
>
> David Brinicombe
> North Devon, UK
> Cogitocogito ergo cogito sum - Ambrose Bierce
>













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