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8 votes
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What amplitude do you use for playbacks?

When performing playback experiments with birds, is there a biologically relevant source level for song playbacks? … What happens if the playback source level is too high? Is it transformed into a super-aggressive signal? And can we compare results obtained with playbacks of different amplitudes? …
lframond's user avatar
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7 votes
1 answer
56 views

Reliable lousdpeaker for low frequency noise playback?

For an experiment on the impact of traffic noise on bird behaviour, I tried to playback some low frequency traffic noise with a fixed amplitude. … While (trying to) adjust the noise amplitude, I realized that the loudspeaker was quite unreliable: the amplitude of my playback varied by 3-10 dB from one day to the next although I had not changed any …
lframond's user avatar
  • 1,126