/usr/share/puredata/doc/5.reference/tabread4~-help.pd is in puredata-core 0.48.1-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | #N canvas 323 179 848 495 12;
#X obj 11 249 tabread4~ array99;
#N canvas 0 22 450 300 (subpatch) 0;
#X array array99 10 float 3;
#A 0 -0.5 -0.5 -0.5 0.5 0.5 0.5 0 0 0 0;
#X coords 0 1 10 -1 250 200 1;
#X restore 537 237 graph;
#X text 127 21 4-point-interpolating table lookup;
#X obj 11 337 snapshot~;
#X obj 30 311 metro 200;
#X obj 11 124 sig~;
#X floatatom 11 98 6 0 10 0 - - -, f 6;
#X obj 30 285 r readout;
#X floatatom 11 363 0 0 0 0 - - -;
#X text 65 92 incoming signal is index. Indices should range from 1
to (size-2) so that the 4-point interpolation is meaningful. You can
shift-drag the number box to see the effect of interpolation.;
#X msg 23 161 set array99;
#X text 119 160 "set" message permits you to switch between arrays
;
#X text 157 249 creation argument initializes array name;
#X text 11 390 see also the "array" tutorial in section 2 of the Pd
documentation \, and these objects:;
#X obj 47 21 tabread4~;
#X text 563 16 click here to test;
#X obj 12 442 tabwrite~;
#X obj 167 442 tabread;
#X obj 236 442 tabwrite;
#X obj 311 442 tabsend~;
#X obj 386 442 tabreceive~;
#X text 7 55 Tabread4~ is used to build samplers and other table lookup
algorithms. The interpolation scheme is 4-point polynomial.;
#X obj 93 442 tabplay~;
#X text 596 452 updated for Pd version 0.42;
#X msg 582 40 \; readout 1 \; pd dsp 1 \;;
#X floatatom 111 190 3 0 10 0 - - -, f 3;
#X text 20 225 signal input;
#X text 138 183 inlet sets onset into table. You can use this to improve
the accuracy of indexing into the array. See B15.tabread4~-onset.pd
for details.;
#X connect 0 0 3 0;
#X connect 3 0 8 0;
#X connect 4 0 3 0;
#X connect 5 0 0 0;
#X connect 6 0 5 0;
#X connect 7 0 4 0;
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#X connect 25 0 0 1;
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