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dspGuru
 dspGuru's DSP Algorithm Library 
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DSP algorithms can be tricky to implement. Here, we provide free/open software to implement key DSP algorithms.

The following packages provide C source code (unless noted) to implement common DSP algorithms. The code is intended not only to be "instructive" but also "useful": most routines are efficient enough to be used as-is in real DSP applications. Most packages include test programs. See the "readme.txt" file in each package for more information.

File(s) Size Language Date Algorithm(s) See
multirate_algs 1.1
Bundled with ScopeFIR 4
16k C 12-Feb-06 Multirate operations: decimation, interpolation and resampling Multirate FAQ
fir_alg 1.0
Bundled with ScopeFIR 4
9k
11k
C 25-Sep-00 Finite Impulse Response (FIR) filtering FIR FAQ
cordic_1_0.zip
cordic_xls_1-0.zip
9k
7k
C
Excel
16-Oct-99 The CORDIC algorithm CORDIC FAQ

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