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[rts100x5]

Im using REW to create a custom biquad file... However when I load the file it says Not valid in the Status box

Any suggestions

[jjazdk]

Erhmm... Usually a convolution file will not be a biquad filter *confused*

If you post the content of the file, that will make it easier to help.

[rts100x5]

biquad1,
b0=0.9373404997977534,
b1=-1.5311363431361116,
b2=0.7013737157061278,
a1=1.5311363431361116,
a2=-0.6387142155038813,
biquad2,
b0=0.8069492011245337,
b1=-0.8581255735941888,
b2=0.4818826305553774,
a1=0.8581255735941888,
a2=-0.288831831679911,
biquad3,
b0=0.9771153650335106,
b1=-1.8119809492566912,
b2=0.8567915919648176,
a1=1.8119809492566912,
a2=-0.833906956998328,
biquad4,
b0=0.9277505433102978,
b1=-0.7144651318777141,
b2=0.8244509201639608,
a1=0.7144651318777141,
a2=-0.7522014634742586,
biquad5,
b0=0.9619397818994184,
b1=-0.9026704087024172,
b2=0.8395222841384842,
a1=0.9026704087024172,
a2=-0.8014620660379026,
biquad6,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad7,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad8,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad9,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad10,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad11,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad12,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad13,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad14,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad15,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad16,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad17,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad18,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad19,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0,
biquad20,
b0=1.0,
b1=0.0,
b2=0.0,
a1=0.0,
a2=0.0

[mattkhan]

jriver doesn't currently provide a way to enter custom biquad filters

the screen you're using is intended for use with a cfg file in this format -> http://convolver.sourceforge.net/config.html

the wiki has some more detail -> https://wiki.jriver.com/index.php/Convolution