
the Great Tit of the recording
Dunnock recorded using RememBird (distance
about 5m) gain scaled by about 12dB (original unscaled)
Tree Sparrows, Rutland Water, gain scaled
by about 18dB (original
unscaled)
Great Tit and Chaffinch, antiphonal song, 64k (distance about 15m) gain
scaled by about 17dB (original
unscaled)
Great Tit, 64k (distance about 15m) gain
scaled by about 16dB (original
unscaled)
Some wind noise is audible on this.
Blackcap, gain scaled by about 15dB (original
unscaled)
This recording was made at the same time and with the mic close to the MKE300 recording below.
Blackcap, gain scaled by about 14dB (original
unscaled)
This recording was made at the same time and with the mic close to the
RememBird recording above.
Song thrush, gain scaled by about 22dB (original
unscaled)
Great Tit at 224k (distance about 15m)
gain scaled by about 30dB (original
unscaled)

Lark in flight
Recording a skylark song in flight is not really a reasonable thing to do with a RememBird. A lark in flight is outside normal binocular range, and the song is correspondingly weak because of the distance. This is pushing the limits of RememBird's design beyond what you are really meant to do with it, and yet this recording is quite clearly a lark, despite needing nearly 50dB of signal boost!
Skylark, gain scaled by about 46dB (original unscaled)
As
an experiment I
inserted a FEL SJ 3.5mm 20dB preamplifier, which is powered by the
RememBird plug-in-power. The PiP was not quite enough to run the FEL in
spec, so other samples may work differently, however in this case the
FEL performed satisfactorily. I did manage to switch this in circuit in
time to aim it at the same lark in the same song flight, but the
distance to the lark and mic aim was not exactly repeatable.
Skylark, using a FEL
preamp, gain scaled by about 16dB (original unscaled)
The preroll buffer can be set to 8 seconds, and continuously records. When you press record, the contents of the preroll buffer is prepended to your recording. No more missed starts. Because you inevitably get some handling noise when you press record on the RememBird, you have to work with this. As soon as you hear the wanted call, start counting seconds out in your head but do not press record until the bird has finished or your count goes above 7. If the initial phrase or calls was shorter than 7 seconds, you will have a complete and click-free copy of the call, with a click after it which you can trim out or silence, followed by the rest of your recording. If your count went above 7 you will have to accept a click on the first phrase.
Wren at 64k, preroll buffer, gain scaled by about 9dB. I have left the click at the end.
RememBird, RememBird-X with MKE 300 and a Sony NH700 HiMD with MKE300 were compared with the same subject.
With the inbuilt mic, the low frequency response of RememBird means extraneous noises such as aircraft, traffic noise and wind blast and stronger than they need to be in the mix.
Blackbird, gain scaled by about 16dB (original unscaled)
This is a 64kbps recording, not 320k. The bird was about 10m away.
Filtering the low frequencies removes most of the traffic and distant aircraft rumble. This location is more than 1km from a main road. Filtering to -10dB at 220Hz following the general shape of the MKE300, and taming some of the top end like this

filter frequency response
This reduces much of the rumble, leaving the blackbird and skylark easier to hear.
Blackbird, high-pass filtered
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based on an
individual's comments and experiences, and are not an endorsement by
the
Wildlife Sound Recording Society.
The opinions expressed are those of the individual authors and not
necessarily those of the Wildlife Sound Recording Society.