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Subject: 65420118705451

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On Jan 6, 2010, at 12:28 AM, geoffjcarey wrote:

> 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
> .

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