# Filter design: MATLAB firls (Least-squares linear-phase FIR filter design) alternative?

**URL:** <https://discourse.julialang.org/t/filter-design-matlab-firls-least-squares-linear-phase-fir-filter-design-alternative/45249>\
**Category:** Signal and Image Processing\
**Tags:** dsp\
**Created:** [August 20, 2020, 7:44am UTC](https://discourse.julialang.org/t/filter-design-matlab-firls-least-squares-linear-phase-fir-filter-design-alternative/45249 "2020-08-20T07:44:16Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![LeoKoo](https://avatars.discourse-cdn.com/v4/letter/l/ccd318/32.png) [@LeoKoo](https://discourse.julialang.org/u/LeoKoo)\
**Post date:** [April 22, 2021, 6:49pm UTC](https://discourse.julialang.org/t/filter-design-matlab-firls-least-squares-linear-phase-fir-filter-design-alternative/45249/18 "2021-04-22T18:49:53Z")

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Hi,

I packaged my own FIRLS implementation in Julia, see [this announcement](https://discourse.julialang.org/t/ann-firlsfilterdesign-jl/59820). Maybe you could give it a try and let me know what you think.

Cheers!

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