Hi,
On the first recording you can hear :
Blue and Great Tit
Alarming Common Nuthatch
Singing Blackbird
Calling Great Spotted Woodpecker
Distant Common crow and Green Woodpecker
On the Woodpecker recording you can also hear a calling Chaffinch.
Regards
Nicolas
2008/3/2, tk7859 <>:
>
> Hello All
>
> I've spent the last two weeks visiting relatives in the Odenwald, 35
> miles to the south of Frankfurt.
>
> I managed to get out for a total of some eight hours of field testing
> the PRHSB. I behaved exactly as predicted by the tests in my garden
> at home. However I found it quite difficult to aim at and isolate
> individual sounds in the thickish woodland. I'm clearly very much a
> beginner to using a dish in this type of habitat.
>
> At the moment I do not seem able to access the naturerecordists file
> site so am using Geocities for my examples - apologies in advance for
> any difficulties you have downloading.
>
> m("btinternet.com/site.jpg","//uk.geocities.com/g0sbw");">http:
>
> gives a Google Earth view of the recording site. This was not as
> ideal as it seems - Frankfurt International Airport is only 30 miles
> away and there are several military airfields in the area.
>
> m("btinternet.com/dishsetup.jpg","//uk.geocities.com/g0sbw");">http:
>
> shows the dish set up on the tripod. The following is a short (1
> minute ) extract of a wide stage recording. Listen for the distinct
> clicks in the last twenty seconds or so.
>
> m("btinternet.com/wpecker1.mp3","//uk.geocities.com/g0sbw");">http:
>
> When recording this I thought someone was close by tapping with
> something. In the last day of my recordings I got an answer. A
> woodpecker shaped bird landed on a thin (2inch diam.) bough about 30
> feet in front of me at a height of about 60 feet. It was late
> afternoon on a dull day so I could not make out any distinguishing
> marks. The bird commences tap tapping (not drumming) at the bough. I
> managed to record with both the boundary and the parabolic dish
> capsules. The following, 40 second, snippet is exactly as recorded
> with my statements of "wide stage" and "parabolic" and the noise of
> the potentiometer being turned.
>
> m("btinternet.com/wpecker2.mp3","//uk.geocities.com/g0sbw");">http:
>
> and this is a the same with the announcements and potentiometer noise
> deleted. a 350 Hz HPF as also been applied to reduce the aircraft
> and buzz saw noise.
>
> m("btinternet.com/wpecker3.mp3","//uk.geocities.com/g0sbw");">http:
>
> The difference between the barrier and parabolic dish capsules can be
> clearly heard and can be seen in this "Raven Lite" waveform of the
> wpecker3 sound snippet
>
> m("btinternet.com/wpecker3.jpg","//uk.geocities.com/g0sbw");">http:
>
> The field test was a success in proving the application of this
> technique/method to field recording. The test has also shown some of
> the drawbacks of using big reflectors in woodland. In turn these
> problems have set me thinking about the design of the next version
> which will have weight saving and portability prominently on the
> design brief.
>
> Please let me know if you have difficulties with the Geocities FTP
> site. If necessary I will repost this with links to the
> naturerecordists file depot when this is available.
>
> I would also love to know your views on the name of the tapping bird -
> clearly I'm a tyro birder as well :-)
>
> Cheers
> Tom Robinson
>
>
>
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