iirfilt/dcblocker-example: cleaning up and improving example
iirfilt/dcblocker-example: cleaning up and improving example

  * comparing orignal input to output after DC blocking filter applied
  * this is better example of how the DC blocker is applied
  * resulting plot gives input, input + DC, output

wangning223/liquid-dsp,biotrump/liquid-dsp,andrepuschmann/liquid-dsp,manuts/liquid-dsp,jgaeddert/liquid-dsp,andrepuschmann/liquid-dsp,manuts/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,andrepuschmann/liquid-dsp,jgaeddert/liquid-dsp,wangning223/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,manuts/liquid-dsp,cjcliffe/liquid-dsp,cjcliffe/liquid-dsp,jgaeddert/liquid-dsp,JayKickliter/liquid-dsp,JayKickliter/liquid-dsp,biotrump/liquid-dsp,wangning223/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,biotrump/liquid-dsp,andrepuschmann/liquid-dsp,jgaeddert/liquid-dsp,jgaeddert/liquid-dsp,andrepuschmann/liquid-dsp,JayKickliter/liquid-dsp,cjcliffe/liquid-dsp