Revision: 10114 http://pure-data.svn.sourceforge.net/pure-data/?rev=10114&view=rev Author: nusmuk Date: 2008-06-27 02:59:50 -0700 (Fri, 27 Jun 2008)
Log Message: -----------
Modified Paths: -------------- trunk/externals/nusmuk/tab/tabosc4aa~.c
Modified: trunk/externals/nusmuk/tab/tabosc4aa~.c =================================================================== --- trunk/externals/nusmuk/tab/tabosc4aa~.c 2008-06-26 20:57:26 UTC (rev 10113) +++ trunk/externals/nusmuk/tab/tabosc4aa~.c 2008-06-27 09:59:50 UTC (rev 10114) @@ -143,13 +143,13 @@ #if 1 while (n--) { - t_sample frac, a, b, c, d, cminusb, temp, filter_out; + t_sample frac, a, b, c, d, cminusb, temp, sum, filter_out;
- temp = 0; - for (i=0;i<8;i++) + sum = 0; + for (i=0;i<4;i++) { tf.tf_d = dphase; - dphase += *in/8 * conv; + dphase += *in/4 * conv; addr = tab + (tf.tf_i[HIOFFSET] & mask); tf.tf_i[HIOFFSET] = normhipart; frac = tf.tf_d - UNITBIT32; @@ -168,15 +168,16 @@ // temp = cut_filter(x, temp); // t_sample filter_out;
- filter_out = 0.0147491 * temp + 0.0294982 * x->x_last_in + 0.0147491 * x->x_prev_in + 1.60425 * x->x_last_out - 0.663244 * x->x_prev_out; + filter_out = 0.0603297 * temp + 0.120659 * x->x_last_in + 0.0603297 * x->x_prev_in + 1.1565 * x->x_last_out - 0.397817 * x->x_prev_out;
x->x_prev_in = x->x_last_in; x->x_last_in = temp; x->x_prev_out = x->x_last_out; x->x_last_out = filter_out; + sum += filter_out;
} - *out++ = filter_out; + *out++ = sum/4; *in++; } #endif
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