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Jun 21

Analyzation Software

2 comments

Hi All!

 

I was wondering what software was easiest to use (preferably free!) for analyzing calls with the AudioMoth recorders. I’m fairly new to this type of work and am familiar with Kaleidoscope and Raven but do not own them myself. I am interested in studying Tree frog calls.

Audacity is pretty much as good as anything else you will find, and it is free and (unlike some free software) is continuously being developed and improved. Some people say it is a bit slow loading a file, but once loaded navigation and zooming in and out is very easy and intuitive. You can add a label track which allows you to tag regions with annotations and that can be saved alongside the wav file it relates to, although you do have to explicitly name it to match. I find that Kaleidoscope is quicker for handling large numbers of small - 5-10 s - files, but Audacity wins for the longer recordings with multiple call instances that are typical from an AudioMoth. I have written a 'Bat Recording Manager' program (see https://www.echolocation.org.uk) which will accelerate the process of analysing batches of recordings by going through each file in turn opening it in Audacity and creating the necessary label file, then zooming in on the first 5 seconds so that you can scroll through the rest of the file adding notations. Then CTRL-ALT-L to save the label file and CTRL-Q,N to automatically move on to the next file. All the notes and details of the session and recordings and any screen shots are stored in a local database. It is designed for bat recordings but would still be useful for other species..

Jun 22

Wow, thank you so much for the quick and informative reply! This will be very helpful. Thank you for taking the time to write it all down. I will check it out right away and be sure to reach out if I have any questions.

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