Frequency and time-frequency analysis in Matlab

Perform time-frequency analysis without the Signal Processing Toolbox™

https://github.com/LubosSmolik/autofft

Version 1.5.5 (1.32 MB)
2.4K Downloads
(4)
12 Aug 2025

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Cite As

Lubos Smolik (2026). Frequency and time-frequency analysis in Matlab (https://github.com/LubosSmolik/autofft/releases/tag/v1.5.5), GitHub. Retrieved .

Categories

Find more on Spectral Measurements in Help Center and MATLAB Answers

General Information

MATLAB Release Compatibility

  • Compatible with R2016b to R2025a

Platform Compatibility

  • Windows
  • macOS
  • Linux
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Versions that use the GitHub default branch cannot be downloaded

Version Published Release Notes
1.5.5

See release notes for this release on GitHub: https://github.com/LubosSmolik/autofft/releases/tag/v1.5.5
1.5.4

See release notes for this release on GitHub: https://github.com/LubosSmolik/autofft/releases/tag/v1.5.4
1.5.3

See release notes for this release on GitHub: https://github.com/LubosSmolik/autofft/releases/tag/v1.5.3
1.5.2

See release notes for this release on GitHub: https://github.com/CarlistRieekan/autofft/releases/tag/v1.5.2
1.5.1

See release notes for this release on GitHub: https://github.com/CarlistRieekan/autofft/releases/tag/v1.5.1
1.5

See release notes for this release on GitHub: https://github.com/CarlistRieekan/autofft/releases/tag/v1.5
1.4.1

See release notes for this release on GitHub: https://github.com/CarlistRieekan/autofft/releases/tag/v1.4.1
1.4

See release notes for this release on GitHub: https://github.com/CarlistRieekan/autofft/releases/tag/v1.4
1.3.1

See release notes for this release on GitHub: https://github.com/CarlistRieekan/autofft/releases/tag/v1.3.1
1.3.0

Please, see https://github.com/CarlistRieekan/autofft/releases
1.2.5.1

See release notes for this release on GitHub: https://github.com/CarlistRieekan/autofft/releases/tag/1.2.5.1
1.2.5

An optional highpass filtering has been implemented.
1.2.4.2

Overlap length (in samples) returned in output variable setup is now correct. Previous versions incorrectly returned overlap percentage.
1.2.4.1

An error occurring during estimation of autospectrum has been fixed.
1.2.4

- Improved documentation.
- New types of averaging: median filter and variance of spectral unit.
- Results of the STFT of multiple signals are now returned as 3D array.
- Performance improved significantly.
- Accuracy of PSD slightly improved.
1.2.3

- User can define frequency resolution of the analyser.
- The window function can be directly specified as a vector.
- The analyser setup can be returned as an output variable.
- Warning messages are now displayed.
1.2.2

To view or report issues in this GitHub add-on, visit the GitHub Repository.
To view or report issues in this GitHub add-on, visit the GitHub Repository.