[MP3 ENCODER] Hann Window

[Lionel Bonnet]

Does anybody know why the Hann window defined by :
  window[i] =0.5*(1-cos(2.0*pi*(i-0.5)/BLKSIZE));
in the ISO doc became
  window[i] =0.5*(1-cos(2.0*pi*(i+0.5)/BLKSIZE));
in LAME ?

Lionel
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