This is somewhat tangential in that it relates to the broadcast of natural
sounds, rather than the recording, but not, I hope, completely unrelated.
The issue I have relates to the use of natural distress calls of birds as a
measure to deter birds from airports, thus reducing bird strike hazard. It
appears that all commercially-available devices providing distress calls for
bird deterrence do not contain species suitable for airports I deal with here
in Asia, nor do they allow self-made recordings to be added to the library of
sounds available for playback.
In addition, typical recorders do not have sufficiently powerful built-in
speakers. Consequently, I am looking for a portable, amplifier/loudspeaker
device that I can attach to a recorder/playback device, which can be used to
broadcast distress calls from birds as a measure to reduce bird strike hazard
at airports.
Can anybody recommend a portable device suitable for broadcasting sounds loud
enough to carry 200-300m or so, and one that can be plugged into a digital
recorder? Or even one that has its own memory card?
Many thanks,
Geoff Carey
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause
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