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Questions tagged [experiment-design]

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4 votes
1 answer
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I would like advice on my thought experiment with microphones -- the goal is the calculate the distance to a sound source. In my drawing, there are 2 microphones spaced at a known distance. Could be 1 ...
P a u l's user avatar
  • 143
1 vote
0 answers
44 views

It is hard to communicate with a chicken. One form of communication could be making a sound to get the chicken to walk in a specific direction. In each direction, objects could be placed to interact ...
Joselin Jocklingson's user avatar
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6 votes
3 answers
204 views

Hi Bioacoustic community, We have been doing several experiments in fish tanks to identify fish sounds. However, the resonance degrades a lot the signal recorded with the hydrophone. The resonance ...
Julia Wiel's user avatar
  • 61
4 votes
1 answer
74 views

I would like to record extremely low sound-level (at ~200-300Hz), produced by an insect which is located at the end of a plastic tube, with a very-sensitive low-noise shotgun pressure microphone (this ...
Noil's user avatar
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15 votes
3 answers
88 views

In winter, I can usually hear one or two birds in an area, and I occasionally see them flitting through the air – but it's usually too dark to see them except in motion, silhouetted against the sky. ...
wizzwizz4's user avatar
  • 383
8 votes
1 answer
72 views

Fieldwork means having all the equipment in place to record the animals (in my case bats) when I see them. I try to look at the audio as soon as they're recorded to check if the settings are okay. I ...
Thejasvi's user avatar
  • 4,050
14 votes
6 answers
211 views

I'd like to estimate the distance at which the bird is singing from the point of recording, to then finally get the source level from one microphone. I've seen studies, and heard from colleagues use ...
Thejasvi's user avatar
  • 4,050
15 votes
2 answers
117 views

My recordings of bird calls have multi-harmonic noise (probably generated by some electronic device e.g. as mentioned here). I would like to perform peak-frequency and other such spectral measurements....
Thejasvi's user avatar
  • 4,050
11 votes
2 answers
162 views

I've been seeing many relatively affordable USB audio interfaces (even multichannel ones, in fact) with >= 96 kHz sampling rates. These seem like a cost-effective alternative to some of the more ...
Thejasvi's user avatar
  • 4,050
8 votes
3 answers
97 views

I'm using a DC-AC converter to run my audio-interface in the field. Everytime I use the converter to make recordings i see strong multi-harmonic 'lines' in my spectrogram. In the lab (when connected ...
Thejasvi's user avatar
  • 4,050
2 votes
2 answers
62 views

I'm looking to trigger recordings as bats pass by my mic array.l, and also to potentially run playbacks too through the soundcard (it has both ADC and DAC capabilities). I have an ASIO based USB ...
Thejasvi's user avatar
  • 4,050
4 votes
1 answer
69 views

I need to estimate the distance at which bats can detect each other through echolocation. To do this I need to measure the target strength of a bat. I currently have a taxidermy bat, ultrasound ...
Thejasvi's user avatar
  • 4,050
6 votes
2 answers
120 views

I will be performing echolocation call recordings of an understudied bat species that roosts in caves. Many studies use very high sampling rates (>=384 kHz), but I currently only have a sound card ...
Thejasvi's user avatar
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