1.rePhase Fir Tool

   rePhase 是Thomas 写的windows 免费程序。可产生 Fir 线性相位的扬声器分频

这里有几个例子介绍软件的使用

https://www.minidsp.com/applications/advanced-tools/rephase-fir-tool#overview

这里可进行软件的下载

rePhase – Official Site – Free FIR filtering tool

2.filter hose（商业软件)

这里可以访问官方信息http://www.hxaudiolab.com/filter-hose.html

 使用教程

https://www.minidsp.com/applications/advanced-tools/filter-hose

3.FIR Designer & Creator

Eclipse Audio 公司针对扬声器 fir、iir 滤波器预设设计的软件套件，包括FIR Designer M, FIR Designer, FIR Creator EX & FIR Creator. FIR Designer M 比较通用。

这里可进行软件demo 使用

FIR Software: FIR + IIR Filter Design for Loudspeakers – ECLIPSE AUDIO

4.Ultimate EQ（商业）

Ultimate EQ 出自Bohdan Raczynski 杰作，可产生参数

 5.FIR Filter Designer（在线软件）

这里进行访问 here ，这里有相应的教程here.

6.Align2 (Freeware)

Align2 is a free audio softwre designed by JL Ohl to calculate loudspeaker correction for OpenDRC hardware or for convolution softwares. It was first designed as a GUI for DRC (D. Sbragion) or PORC (M. Green) but evolved with many added functions.
 

Iowa Hills Filter design tools (Freeware)

This free FIR filter design program uses the Parks McClellan algorithm and Fourier Transform (windows) method to synthesize filters. It is capable of synthesizing a wide variety of filter types in the form of linear phase, minimum phase, or an IIR type phase response. Possible filter types include the Raised Cosine, Bessel, Inverse Chebyshev, and others. Hilbert filters, Differentiators, and other specialized band pass filters are available from our Hilbert Filters program. Make sure to check out the wealth of information on the website of Iowa Hills!

ScopeFIR (Commercial)

ScopeFIR is an advance tool for building all your FIR filters. A well known software recommended for any hardcore designer. Note that this software requires a license.

Octave (Open Source)

Here is an open source solution using a Math package. Octave is a well known GNU (open source) package widely used as an alternative to Matlab. Here is a simple step by step for building a FIR filter under Octave.  

T-Filter (Free online tool)

An online FIR filter designer tool. A very basic GUI for a quick to use application. Check it out here.

MatLab (Commercial package)

Last but not least, Matlab and its processing toolbox is certainly very effective at building FIR filters and simulate their response. Here is a summary from the help file. 

Got a software that you could recommend? Please get in touch with us so we can advertise it in this section. 

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