added [mtx_dbtorms] and [mtx_rmstodb]

svn path=/trunk/externals/iem/iemmatrix/; revision=3253

1 files changed, 42 insertions, 0 deletions

diff --git a/doc/mtx_dbtorms.pd b/doc/mtx_dbtorms.pd
new file mode 100644
index 0000000..d6a21a8
--- /dev/null
+++ b/doc/mtx_dbtorms.pd
@@ -0,0 +1,42 @@
+#N canvas 382 124 687 471 10;
+#X obj 485 95 matrix;
+#X text 435 77 see also help for;
+#X obj 181 100 mtx_eye;
+#X obj 64 285 mtx_rand 4 2;
+#X msg 64 263 bang;
+#X obj 64 307 t a a;
+#X obj 105 307 mtx_print org;
+#X obj 64 357 t a a;
+#X msg 181 79 3 3;
+#X obj 48 134 mtx_dbtorms;
+#X obj 64 380 mtx_dbtorms;
+#X obj 483 125 mtx_rmstodb;
+#X obj 483 145 dbtorms;
+#X obj 181 121 mtx_* 100;
+#X obj 48 162 mtx_print dbtorms;
+#X obj 64 330 mtx_rmstodb;
+#X obj 105 357 mtx_print db;
+#X obj 64 407 mtx_print db;
+#X obj 48 100 mtx 2 2;
+#X text 188 7 convert dB(pd) to rms;
+#X text 44 34 convert dB(pd) to a linear value for each element of
+a matrix;
+#X text 290 305 note: dB(pd):=dB(techn)+100;
+#X text 307 337 this means: 100dB(pd)==unity gain (==1);
+#X text 404 375 0dB(pd)==zero gain (==0);
+#X msg 48 80 0 100 97 106;
+#X text 391 354 106dB(pd)~=double gain (==2);
+#X connect 2 0 13 0;
+#X connect 3 0 5 0;
+#X connect 4 0 3 0;
+#X connect 5 0 15 0;
+#X connect 5 1 6 0;
+#X connect 7 0 10 0;
+#X connect 7 1 16 0;
+#X connect 8 0 2 0;
+#X connect 9 0 14 0;
+#X connect 10 0 17 0;
+#X connect 13 0 9 0;
+#X connect 15 0 7 0;
+#X connect 18 0 9 0;
+#X connect 24 0 18 0;