Recording audio signals from an input device with live analysis of the immediate signal and spectrogram.


Updated 3 Jun 2019

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This application will record audio signals from an input device. While recording live analysis are shown as plots of the immediate signal and the spectrogram. Display length and the frequency window are adjustable. Unlimited recording is possible and can be stopped by pressing a button. Afterwards you are able to save the record as a wav-file, play the audio record, open the waveform and spectrogram as separate figures or start a new record.

Cite As

Marcus Vollmer (2023). LiveRecording (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2018a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes

Rebuild as mlapp

v1.1: - Added unlimited recording option with stop button.
- Bug solved in visualization of the spectrogram using R2015a and above