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Diffstat (limited to 'pd/doc/5.reference/block~-help.pd')
-rw-r--r-- | pd/doc/5.reference/block~-help.pd | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/pd/doc/5.reference/block~-help.pd b/pd/doc/5.reference/block~-help.pd new file mode 100644 index 00000000..69abe2e2 --- /dev/null +++ b/pd/doc/5.reference/block~-help.pd @@ -0,0 +1,75 @@ +#N canvas 322 48 653 647 12; +#X text 411 630 updated for Pd version 0.37; +#X obj 48 10 block~; +#X text 112 11 (and switch~) - block size and on/off control for DSP +; +#X text 44 40 The block~ and switch~ objects set the block size \, +overlap \, and up/down-sampling ratio for the window. (The overlap +and resampling ratio are relative to the super-patch.); +#X text 137 332 INTERACTIONS WITH OTHER OBJECTS:; +#X text 45 230 You may have at most one block~/switch~ object in any +window.; +#X text 45 176 A switch~ with no arguments does not reblock audio computation +-- in other words \, block size and sample rate are as in the parent +patch.; +#X text 46 353 Dac~ and adc~ don't work correctly if reblocked \, nor +if a parent window is reblocked \, even if the window containing the +dac~ or adc~ is reblocked back to the default block size and sample +rate.; +#X text 48 573 see also:; +#X obj 136 573 fft~; +#X text 47 599 ... and the control.blocksize and up.downsampling audio +example patches.; +#X text 180 295 <--- example usage in subpatch; +#N canvas 351 51 695 365 /SUBPATCH/ 1; +#X obj 258 238 bang~; +#X obj 258 264 t b b; +#X obj 258 290 timer; +#X floatatom 258 319 5 0 0 0 - - -; +#X obj 54 30 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 1 +; +#X msg 78 53 set 4096 1 1; +#X msg 78 108 set 4096 2 1; +#X msg 78 79 set 8192 1 1; +#X msg 81 138 set 4096 1 0.5; +#X msg 81 165 set 4096 1 2; +#X obj 52 192 switch~ 4096 1 1; +#X obj 258 347 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X text 94 25 <--- switch this subpatch on and off; +#X text 209 53 <--- block size 4096 \, no overlap \, no resampling +; +#X text 206 81 <--- bigger block size; +#X text 208 109 <--- double overlap; +#X text 219 142 <--- downsampled by factor of 2; +#X text 218 167 <--- upsampled by factor of 2; +#X text 206 194 <--- creation arguments (if any) initialize blocking +; +#X text 317 317 <--- measured time (msec) between blocks; +#X text 245 209 (args are blocksize \, overlap \, up/downsampling) +; +#X connect 0 0 1 0; +#X connect 1 0 2 0; +#X connect 1 1 2 1; +#X connect 2 0 3 0; +#X connect 3 0 11 0; +#X connect 4 0 10 0; +#X connect 5 0 10 0; +#X connect 6 0 10 0; +#X connect 7 0 10 0; +#X connect 8 0 10 0; +#X connect 9 0 10 0; +#X restore 140 295 pd; +#X text 47 501 Patches using send~/receive~ or throw~/catch~ to intercommunicate +must have the same blocking -- and if their parents are blocked bigger +than they are \, there might be wierdness.; +#X text 45 420 If using send~ or delwrite~ from a switched-off patch +\, the output of corresponding receive~ and delread~ objects in other +\, running patches will cycle old input (and sound like garbage). Throw~ +may be switched with impunity \, but not catch~.; +#X text 43 92 Switch~ \, in addition \, allows you to switch DSP on +and off for the window. All subwindows are also switched. (If a subwindow +of a switched window is also switched \, both switches must be on for +the subwindow's audio DSP to run. Pd's global DSP must also be on.) +; +#X text 44 269 Pd's default block size is 64 samples.; |