All Questions
6 questions
3
votes
1
answer
48
views
Can I use music-related soundcards to record ultrasounds (providing the sampling frequency is high enough)?
I'd like to record rodent ultrasounds (~40-120 kHz) with a soundcard initially made to deal with human-related sounds. The sampling frequency can be adjusted accordingly, however, the microphone/line ...
- 4,161
5
votes
2
answers
103
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 ...
- 498
8
votes
1
answer
398
views
What options are there for micro audio recorders?
I'm in the process of purchasing gear for this upcoming field season and am looking for audio recorder recommendations. I'm hoping to place ~30 small recorders in seabird rock crevices to record ...
- 173
9
votes
2
answers
116
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 ...
- 251
19
votes
3
answers
2k
views
Recommendations for external microphone for smartphone for casual recordings (birds, frogs, bats if possible?)
I would like to get a better microphone for my smartphone for recording wildlife around my home and when out camping. This question asked about very inexpensive accessories, but in this case, I am ...
- 3,567
11
votes
2
answers
127
views
Are consumer grade USB audio interfaces 'safe' to use for bioacoustics recordings?
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 ...
- 4,100