Hi.
I'm having problems with my audiomoth. The recordings cut short after two days, when it should have lasted more.
Batteries are Amazon https://www.amazon.it/dp/B07NWVWKRG?ref=ppx_yo2ov_dt_b_fed_asin_title, and the SD is https://www.amazon.it/dp/B0FCZTYSN6?ref=ppx_yo2ov_dt_b_fed_asin_title.
Here's the summary file, what happened?
I'm trying to set up my AudioMoth, but it doesn't display the correct time and I can't manually set it. The time now is 17.29, but the app says it's 01:48 UTC +1
I have installed Chime which does show the correct time, but I can't see where to enable Chime in the configuration.
Can someone please advise?
Hi,
The Config App is showing you the current time on the AudioMoth that is plugged in. This one has been powered for 44 minutes and 36 seconds, and you are in timezone UTC+1, so the time is appearing as 01:44:36 01/01/1970 UTC+1. When you press 'Configure AudioMoth' it will send the current configuration to the AudioMoth and also set the time. You will see the displayed time will update to the current time.
If you remove the batteries at any time, the configuration will still be saved, but the time will be lost. If you switch to CUSTOM without having set the time, the AudioMoth will show a constant red LED and a flashing green LED whilst it listens for the acoustic chime.
There are some quick-start guides here: https://www.openacousticdevices.info/setup-guide Alex
I recently bought 10 audiomoths, and 9 of them work perfectly, but there is one unit that is not able to update to the latest software.
I get an error message, see attached image.
When I tested it using the version of software that it came with (1.10.1), I can configure it, it will record at the right times, but the recordings are faulty (it almost sounds like the soundfiles are backwards).
Is there any options in the AudioMoth Flash App that I can try to reinstall the audiomoth?
Thanks in advance for any advice,
Machteld
Hi Machteld,
I think this AudioMoth has a bad external SRAM chip. Can you share one of the WAV files. You will be able to flash it if you deselect 'Use USB HID flashing' in the Flash App menu. However, the sound will still be distorted. You would be able to use this device as an AudioMoth USB Microphone as that firmware does not use the external SRAM chip. However, if you contact the seller, they should replace it for you.
Alex
During annotation for a passive acoustic monitoring project in India, I noticed that recordings from one particular site consistently show a narrow tonal line at approximately 17 kHz across most files. It appears as an almost constant horizontal band in the spectrogram rather than a biological call.
The recorder used here was not deployed at any other site, so I can't compare it against itself elsewhere.
Has anyone come across something like this before? Any idea what it could be? Hardware artefact, power supply noise, or something environmental?
Attaching a screenshot of the spectrogram for reference.
Thanks!
Hi Thejas,
It looks like SD card write noise. Can you share the original WAV file. What make and model of SD card and batteries are you using? Alex
I would deploy on your desk again with a freshly reformatted SD card and see what happens.