Questions tagged [equipment]

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Marantz PMD660 stuck on loading

My trusted Marantz PMD660 Solid state recorder recently developed a fault during a field trip in which it gets stuck on "Loading" when turned on with a CF Card inside. It starts fine without ...
Caglar's user avatar
  • 21
3 votes
3 answers
121 views

Parabolic Microphones?

I'm doing some field recording but we're not able to get super close to what we're looking to record. I figured a parabolic mic might be the move, but they all seem really expensive, and our budget is ...
Becky Heath's user avatar
3 votes
2 answers
50 views

How do I format the EVO 256GB SD cards using the SoundTrap ST600 software (version 4 up)

First time user of the SoundTrap Host (version 4.0.13.25535) here. When I insert the EVO 256GB SD card using a card reader, there's no PC prompt warning (which means it is formatted to PC style I ...
SSR's user avatar
  • 31
3 votes
1 answer
66 views

SoundTrap 4300 CH1 Faint Signal & Banding

We have collected 2 channeled recordings from two different ST4300 units, and more recently we have noticed that the signal in CH1 looks really weak. This has occurred in most but not all new ...
Kourtney Burger's user avatar
4 votes
2 answers
38 views

Has anyone shipped equipment to use in Canada without expensive custom broker fees?

We ship an AURAL up to collaborators in Canada so they can put it on one of their oceanographic moorings. A year later they recover and send it back to us. I don't understand why we have to pay a ...
Catherine's user avatar
  • 161
4 votes
0 answers
12 views

Does anyone have experience with programming an Fpod to turn on when upside-down-vertical?

The Fpod works well when programmed to turn on at any angle. But when it was programmed with the default settings, it: Was detecting test taps while in the horizontal mode, when it should have been ...
Catherine's user avatar
  • 161
9 votes
2 answers
97 views

Does anyone know of a compact, stereo underwater recorder (other than ST440/640)?

I'm looking for a commercial source of compact underwater recorder with inputs for at least two hydrophones. Ocean Instruments is not currently marketing their Soundtrap 440 or 640 recorders, so ...
Jay's user avatar
  • 241
6 votes
2 answers
101 views

Equipment recommendation for sound source localisation

Do you have any recommendation for multichannel equipment for source localization? What parameters should I consider for the microphones, for the recorder? Also any advice for starting multichannel ...
Amandine Gasc's user avatar
  • 1,512
12 votes
2 answers
139 views

Bioacoustics lab start-up recommendations [closed]

Something that isn’t really talked about or taught along the way to a Phd, is how to put together a lab wishlist when starting a new (academic) lab. It’s likely more difficult the more specialized the ...
angie_zorka's user avatar
  • 2,809
11 votes
1 answer
56 views

What state and federal permits are required for stationary PAM?

I'm interested in using an array of passive acoustic recorders to collect data off just off the coast of California in on the shelf in waters no deeper than 80 meters. The recorders do require some ...
LizFerg's user avatar
  • 1,147
10 votes
2 answers
61 views

Equipment advice (Amp for ultrasonic hydroacoustics)

I recently purchased a pair of ultrasonic transducers from gavial (4 ohm) for hydroacoustic work. The website offers very little information--I bought the ITC-1042 transducers (https://www.gavial.com/...
TCS's user avatar
  • 201
6 votes
1 answer
169 views

How to change date/time created on Zoom H4N metadata

I've been using a Zoom H4N to record bird vocalisations paired with a dictation microphone for behaviour observations. When I'm trying to sync up my data, the dictation mic .mp3 file has the correct ...
Katrina W's user avatar
  • 143
8 votes
3 answers
76 views

What could cause only half of a waveform to clip?

I took some recordings with small microphone tags and observed this type of 'clipping' where only half of the waveform appears to be clipped, while the other remains intact. Does anybody have any ...
cebola 's user avatar
  • 363
10 votes
5 answers
74 views

Where do you put a terrestrial recorder if you have no freestanding structures to attach it to, and also can't put a stake in the ground?

I have a terrestrial acoustic monitoring situation that presents two challenges: Acoustic monitoring is being conducted in an area with limited options for attaching the units (i.e., very few ...
Cathleen B's user avatar
  • 1,014
11 votes
2 answers
149 views

Pros and cons directional mic vs parabola

While searching through the bird song literature, I realized there are two schools for recording songs. Some people use a directional microphone and some people use a parabola. I was wondering why to ...
lframond's user avatar
  • 1,024
3 votes
1 answer
50 views

Why is my SoundTrap 640 being read as a SoundTrap 600 in the host software?

When prepping some SoundTrap 640s for deployment, I noticed in the ST host software that a couple 640s were being read as SoundTrap 600s. In the 'Status' window on the right of the software, it no ...
Bark95's user avatar
  • 778
18 votes
4 answers
93 views

Using a Raspberry Pi (Or Similar) to build an underwater recording device?

I am curious if anyone has had any experience building an acoustic recorder from a small, cheap computer like a Raspberry Pi. I have a detection algorithm I wrote in Python and I know can run on an ...
etgriffiths's user avatar
  • 3,618
7 votes
1 answer
47 views

Is it worth upgrading to the F-POD from the C-POD?

My lab recently went to purchase some replacement C-PODs (made by Chelonia Limited), and were given the pitch up about upgrading to the F-POD. Does anyone have any experience with these? Are they ...
etgriffiths's user avatar
  • 3,618
7 votes
1 answer
54 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 ...
lframond's user avatar
  • 1,024
8 votes
3 answers
110 views

Problems with SoundTrap 500s

Has anyone else experienced issues with SoundTrap 500s? Two of mine stopped recording early. One had a battery issue, but the other issue went undiagnosed.
Kirby Parnell's user avatar
13 votes
7 answers
223 views

ST600 hardware failures

We purchased some SoundTrap ST600s and have had an uncharacteristically high number of issues. Most recently, one flooded and another had a battery blow. We aren't sure whether the latter was caused ...
K.J. Palmer's user avatar