Earth.Org.UK
. The recording mic was the Blue Yeti, 48ksps, usually stereo and omnidirectional unless otherwise noted (eg in the clip's filename).
For this episode I upgraded Audacity to 2.4.1.
With the Yeti I used my shiny (well, fluffy) new Foam Microphone Windscreen with Furry Windscreen Muff - Mic Wind Cover Pop Filter for Blue Yeti (£10 including VAT), which arrived on the 19th.
Here are the raw dusk sound files without any processing, basically recorded at my desk (19th) or with the Yeti balanced on the window sill by my desk (22nd):
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Here are the raw dawn sound files without any processing, from our back garden, with the Yeti on a table.
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Before inclusion in the episode, clips were "Normalize"d to peak at -18dB. Fade -in and -out was done for each. All the dawn clips were "Normalize"d together to -12dB.
The day was chilly and windy (thus lots of wind-in-leaves noise), albeit with some sunshine. I think that the mix of sounds, including the birdsong, would have been different on a more still, warmer day.
2020-05-27: Darren O'Connell on Twitter said: Great recording!