LF: dsp-filter

["bernd grupe" <Bernd.Grupe@t-online.de>]

Hi all,
someone was asking about dsp-filtering by soundcard and phone-output. There is 
an excellent freeware available:

http://www.qsl.net/mmhamsoft/index.html

(makoto mori, JE3HHT) 

for example:

smallest filter is 64 Hz BW without any echoeffects
-3dB/ -60dB = 1:5; midfreq. is adjustable from 100 to 3 kHz

73 Bernd, DF8ZR