I've improved the correlation calculator a little bit, so not only the
correlation of the pure signal is calculated, but also the correlation of
the (in time) differentiated signal.

Normally the correlation of differentiated signal is a little bit lower than
the of the original signal. But a lot of the test signals on the Web-Server
are really strange (The first line is the origin, the second the diff').
Correlations differs

  AC x      AC y       r       
 32.637%   33.327%   88.061%   technik/Castanets.wav
 23.530%   23.429%   65.664%   technik/Castanets.wav

 52.494%   51.171%   49.953%   technik/Fade To Black (Metallica).wav
 25.077%   17.225%  -14.507%   technik/Fade To Black (Metallica).wav

 61.356%   79.202%   27.139%   technik/The Ecstasy Of Gold (Ennio Morricone).wav
 12.630%   21.996%  -10.836%   technik/The Ecstasy Of Gold (Ennio Morricone).wav

116.325%  118.885%   11.489%   technik/applaud.wav
 34.258%   36.172%    6.375%   technik/applaud.wav

 38.959%   41.104%   63.687%   technik/bi.wav
  6.384%    8.091%   12.265%   technik/bi.wav

 37.076%   39.622%   13.205%   technik/fatboy.wav
 10.459%    9.255%   41.800%   technik/fatboy.wav

 30.639%   31.369%   83.222%   technik/instruments.wav
  6.808%    6.797%   57.340%   technik/instruments.wav

115.239%  105.985%   92.337%   technik/iron.wav
 15.540%   17.384%   26.742%   technik/iron.wav

 82.018%   99.609%   81.522%   technik/lightning_storm.wav
  7.201%    6.228%   31.094%   technik/lightning_storm.wav

 34.844%   24.016%   78.710%   technik/mstest.wav
  4.377%    2.409%   48.793%   technik/mstest.wav

 27.122%   26.496%   75.192%   technik/music.wav
 11.961%   12.250%   51.551%   technik/music.wav

100.503%  100.617%   75.645%   technik/oasis.wav
 22.498%   26.720%   42.847%   technik/oasis.wav

 55.964%   49.204%   58.344%   technik/qrbic_see.wav
 16.766%   16.982%   17.607%   technik/qrbic_see.wav

 42.122%   51.655%   -5.731%   technik/spahm.wav
  9.868%   10.436%   34.248%   technik/spahm.wav

 11.029%   10.469%   83.099%   technik/t1.wav
  3.490%    0.816%    6.404%   technik/t1.wav

 52.457%   39.809%  -42.191%   technik/testsignal1.wav
  2.234%    2.049%   -6.376%   technik/testsignal1.wav

 54.980%   41.533%  -38.342%   technik/testsignal2.wav
  3.524%    3.272%   54.853%   technik/testsignal2.wav

 17.353%   16.643%   39.214%   technik/testsignal4.wav
  2.242%    2.207%   14.496%   technik/testsignal4.wav

 96.217%   89.111%   75.257%   technik/tpd.wav
 25.567%   21.832%   25.475%   technik/tpd.wav

 37.146%   37.739%   49.672%   technik/track7.wav
  6.345%   11.129%   12.133%   technik/track7.wav

The only exception I found, was:

 65.322%   66.635%   69.443%   Heinz-Rudolf Kunze/Dein ist mein ganzes Herz.wav
 19.289%   12.737%   -4.784%   Heinz-Rudolf Kunze/Dein ist mein ganzes Herz.wav


Normal results are (this is one CD with big differences):

 17.957%   15.751%   41.701%   Giora Feidman/The Dance of Joy -- [01] Ani Ole 
L'Yerushalim | Pilgrimage to Jerusalem.wav
  2.354%    1.964%   29.110%   Giora Feidman/The Dance of Joy -- [01] Ani Ole 
L'Yerushalim | Pilgrimage to Jerusalem.wav

 29.575%   29.123%   30.871%   Giora Feidman/The Dance of Joy -- [02] Rue du Bac.wav
  4.750%    4.456%   28.980%   Giora Feidman/The Dance of Joy -- [02] Rue du Bac.wav

 20.458%   17.430%   65.586%   Giora Feidman/The Dance of Joy -- [03] Forget the 
Tears, It's Beautiful.wav
  6.006%    5.435%   47.328%   Giora Feidman/The Dance of Joy -- [03] Forget the 
Tears, It's Beautiful.wav

 25.978%   23.068%   36.822%   Giora Feidman/The Dance of Joy -- [04] If I were a Rich 
Man.wav
  5.160%    4.438%   34.156%   Giora Feidman/The Dance of Joy -- [04] If I were a Rich 
Man.wav

 20.847%   18.928%   38.171%   Giora Feidman/The Dance of Joy -- [05] Chassidic 
Dance.wav
  3.615%    3.303%   36.575%   Giora Feidman/The Dance of Joy -- [05] Chassidic 
Dance.wav

 21.019%   19.017%   50.427%   Giora Feidman/The Dance of Joy -- [06] Giora, For Your 
Neshama.wav
  3.166%    2.693%   31.857%   Giora Feidman/The Dance of Joy -- [06] Giora, For Your 
Neshama.wav

 10.752%   10.319%   59.473%   Giora Feidman/The Dance of Joy -- [07] Yankelle.wav
  0.650%    0.597%   39.002%   Giora Feidman/The Dance of Joy -- [07] Yankelle.wav

 40.842%   38.018%   59.018%   Giora Feidman/The Dance of Joy -- [08] Somebody Loves 
Me.wav
  6.470%    5.745%   37.441%   Giora Feidman/The Dance of Joy -- [08] Somebody Loves 
Me.wav

 34.644%   30.642%   54.796%   Giora Feidman/The Dance of Joy -- [09] The Dance of 
Fire.wav
  8.589%    7.456%   40.880%   Giora Feidman/The Dance of Joy -- [09] The Dance of 
Fire.wav

  8.184%    7.899%   66.638%   Giora Feidman/The Dance of Joy -- [10] Song For the 
Earth.wav
  0.635%    0.586%   62.519%   Giora Feidman/The Dance of Joy -- [10] Song For the 
Earth.wav

 15.361%   14.132%   32.972%   Giora Feidman/The Dance of Joy -- [11] Dance of Joy.wav
  2.681%    2.339%   15.114%   Giora Feidman/The Dance of Joy -- [11] Dance of Joy.wav

  9.293%    9.231%   47.185%   Giora Feidman/The Dance of Joy -- [12] The Wedding 
Waltz.wav
  0.867%    0.779%   33.951%   Giora Feidman/The Dance of Joy -- [12] The Wedding 
Waltz.wav

 26.829%   27.573%   45.900%   Giora Feidman/The Dance of Joy -- [13] Shpiel Zhe Mir a 
Liedele.wav
  4.769%    4.094%   35.219%   Giora Feidman/The Dance of Joy -- [13] Shpiel Zhe Mir a 
Liedele.wav

 27.031%   25.049%   56.670%   Giora Feidman/The Dance of Joy -- [14] L'Chaim.wav
  6.040%    5.671%   42.539%   Giora Feidman/The Dance of Joy -- [14] L'Chaim.wav

 11.513%   10.835%   55.324%   Giora Feidman/The Dance of Joy -- [15] Song for Two.wav
  1.436%    1.300%   32.576%   Giora Feidman/The Dance of Joy -- [15] Song for Two.wav

 40.172%   35.276%   39.601%   Giora Feidman/The Dance of Joy -- [16] The Freilach 
Dance.wav
  7.909%    6.883%   32.210%   Giora Feidman/The Dance of Joy -- [16] The Freilach 
Dance.wav

 34.639%   34.106%   31.471%   Giora Feidman/The Dance of Joy -- [17] Rue du Bac 
(Encore).wav
  5.712%    5.372%   33.006%   Giora Feidman/The Dance of Joy -- [17] Rue du Bac 
(Encore).wav

or:

 97.208%  102.976%   67.960%   Máire Brennan/track01.cdda.wav
 13.924%   14.760%   70.173%   Máire Brennan/track01.cdda.wav

 72.494%   74.756%   78.354%   Máire Brennan/track02.cdda.wav
  6.646%    7.175%   77.827%   Máire Brennan/track02.cdda.wav

 96.411%   94.620%   71.151%   Máire Brennan/track03.cdda.wav
 12.567%   13.465%   65.035%   Máire Brennan/track03.cdda.wav

 69.573%   72.951%   53.852%   Máire Brennan/track04.cdda.wav
  7.117%    7.342%   60.341%   Máire Brennan/track04.cdda.wav

 95.564%   94.909%   73.071%   Máire Brennan/track05.cdda.wav
 12.542%   15.006%   67.547%   Máire Brennan/track05.cdda.wav

 77.162%   76.282%   56.997%   Máire Brennan/track06.cdda.wav
  9.009%    8.984%   59.754%   Máire Brennan/track06.cdda.wav

 91.141%   95.097%   75.882%   Máire Brennan/track07.cdda.wav
 10.008%   12.816%   75.723%   Máire Brennan/track07.cdda.wav

 70.234%   69.401%   37.077%   Máire Brennan/track08.cdda.wav
  5.285%    4.792%   64.201%   Máire Brennan/track08.cdda.wav

 77.033%   79.583%   74.154%   Máire Brennan/track09.cdda.wav
  7.023%    6.975%   74.601%   Máire Brennan/track09.cdda.wav

 80.308%   72.977%   66.552%   Máire Brennan/track10.cdda.wav
  9.940%    9.481%   64.353%   Máire Brennan/track10.cdda.wav

 31.907%   31.418%   77.333%   Sting/Nada como el Sol -- [1] Mariposa Libre.wav
  6.732%    6.020%   78.771%   Sting/Nada como el Sol -- [1] Mariposa Libre.wav

 33.899%   35.975%   57.517%   Sting/Nada como el Sol -- [2] Fragil (Portuguese).wav
  5.155%    5.363%   58.397%   Sting/Nada como el Sol -- [2] Fragil (Portuguese).wav

 53.352%   54.498%   81.746%   Sting/Nada como el Sol -- [3] Si estamos Juntos.wav
 20.470%   21.473%   82.523%   Sting/Nada como el Sol -- [3] Si estamos Juntos.wav

 33.011%   34.478%   74.927%   Sting/Nada como el Sol -- [4] Ellas Danzan Solas (Cueca 
Sola).wav
  6.487%    6.866%   62.332%   Sting/Nada como el Sol -- [4] Ellas Danzan Solas (Cueca 
Sola).wav

 32.281%   35.191%   57.279%   Sting/Nada como el Sol -- [5] Fragilidad.wav
  5.396%    6.870%   56.256%   Sting/Nada como el Sol -- [5] Fragilidad.wav

-- 
Mit freundlichen Grüßen
Frank Klemm
 
eMail | [EMAIL PROTECTED]       home: [EMAIL PROTECTED]
phone | +49 (3641) 64-2721    home: +49 (3641) 390545
sMail | R.-Breitscheid-Str. 43, 07747 Jena, Germany

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