Frequency and time-frequency analysis in Matlab

Version 1.5.5 (1.32 MB) by Lubos Smolik
Perform time-frequency analysis without the Signal Processing Toolbox™
5.0
(4)
2.3K Downloads
Updated 12 Aug 2025
View License on GitHub

Cite As

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

MATLAB Release Compatibility
Created with R2025a
Compatible with R2016b to R2025a
Platform Compatibility
Windows macOS Linux
Tags Add Tags

+utilities

+validation

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.