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The Making Of Esperdyne
Esperdyne, an open-source bat detector and recorder, is a fully open-source project by Ravi Umadi. The device implements unique features, such as simultaneous tuning to two sepa...
Why Do I Share What I Create?
I share my code and tools not just to comply with journals, but to contribute meaningfully. Science only moves forward when we share more than the polished results, when we open...
Behind The Paper - Widefield Acoustics Heuristic
How a simple idea—simulating microphone arrays before building them—grew into the Array WAH toolkit, a method to map localisation accuracy for bat echolocation studies and beyond.
A Digital Metronome
A metronome makes and keeps the rhythm and is a most useful tool for any musician. For electronic projects involving music, a simple microcontroller-based metronome can be easil...
Matlab Midi Recorder
Record midi files using MATLAB. Connect your digital piano to your computer and record keystrokes in midi format.
A Simple Sound Recorder
Here is a simple but rather handy sound recorder using Matlab command window. Works with the on-board audio device or any external sound card. Record and save data, mark times a...
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2026 · 1 posts
12 Feb 2026
The Making Of Esperdyne
Esperdyne, an open-source bat detector and recorder, is a fully open-source project by Ravi Umadi. The device implements unique features, such as s...
2025 · 2 posts
22 Sep 2025
Why Do I Share What I Create?
I share my code and tools not just to comply with journals, but to contribute meaningfully. Science only moves forward when we share more than the ...
13 Sep 2025
Behind The Paper - Widefield Acoustics Heuristic
How a simple idea—simulating microphone arrays before building them—grew into the Array WAH toolkit, a method to map localisation accuracy for bat ...
2023 · 8 posts
24 Nov 2023
A Digital Metronome
A metronome makes and keeps the rhythm and is a most useful tool for any musician. For electronic projects involving music, a simple microcontrolle...
13 Oct 2023
Matlab Midi Recorder
Record midi files using MATLAB. Connect your digital piano to your computer and record keystrokes in midi format.
07 Oct 2023
A Simple Sound Recorder
Here is a simple but rather handy sound recorder using Matlab command window. Works with the on-board audio device or any external sound card. Reco...
06 Oct 2023
Low Latency Real-time Playback
Achieving very short delay in signal processing for quick playback in experimental set-ups is a challenge often encountered by researchers studying...
16 Sep 2023
Coding Shall Set You Free
Computer programming is an underrated skill in academic research, particularly in biological sciences. Why are computational skills indispensable i...
08 Sep 2023
Calls Before Echoes
Looking at field recordings of bat echolocation calls, perform some basic analysis of and understand the effect of surroundings on the call-echo re...
07 Sep 2023
How To Record Bats
Learn a quick and simple method of recording bat calls and visualising field recordings.
04 Sep 2023
Why Science?
Why does anyone want to spend time and effort doing the hard things? What is the appeal of working hard while almost everyone enjoys life with leis...