Top new questions this week:
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I’d like to find online data in which 2 different species sing/call in the same soundscape. This is not a machine learning question! – I’m looking for data that have already been tagged with those …
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I am looking for a very cheap way to record sound underwater. I am mostly interested in recording low frequencies (i.e. ~ [10 – 5000] Hz). I have seen a few papers on MEMS technology to record sound …
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I am currently doing soundscape analysis across three years. However, the data from one of the years has a hydrophone alarm while the other two years do not. As you can understand, this is a problem …
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Greatest hits from previous weeks:
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I’d like to synthesise a series of bat social-call like sounds (that look ‘wavy’ on the spectrogram, (see schematic below). I’m looking to test my acoustic analyses with synthetic audio , and being …
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When traveling in a very busy,very loud city recently, I noticed a few small bats clearly feeding on bugs attracted to a street lamp. I was on a party street, and there was loud music pouring out of …
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Has anyone experience with using low-cost hydrophones, for example the Acquarian Audio H2a, and use a calibration measurements, for example by comparing to a Brüel Kjaer 8106, to get quantitative …
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When creating the spectrum of a signal, I understand that applying a window function can help with spectral leakage to get a more accurate picture of the frequency distribution. But sometimes I’ve …
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I’m new to PAMGuard and have been trying to use it to detect whistles (of common & Atlantic white-sided dolphins) and I’ve been having issues with detection accuracy. I’m running the whistle and …
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I’ve found myself looking this up about once every few years so thought this would be a good place to pose the question for others (to look up every few years). When considering the precision of …
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I would like to get the ambient noise levels of a habitat that I have been monitoring for some time (monitoring birds, 0-16 kHz). For this, I want to calibrate my recorders and get their sensitivity …
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