diff options
Diffstat (limited to 'lpc~/lpc_filter')
| -rw-r--r-- | lpc~/lpc_filter/beauty.wav | bin | 177644 -> 0 bytes | |||
| -rw-r--r-- | lpc~/lpc_filter/drummach.wav | bin | 211724 -> 0 bytes | |||
| -rw-r--r-- | lpc~/lpc_filter/lpc-cross-synthesis.pd | 327 | ||||
| -rw-r--r-- | lpc~/lpc_filter/lpc_test.pd | 53 | ||||
| -rw-r--r-- | lpc~/lpc_filter/lpreson~.c | 131 | ||||
| -rw-r--r-- | lpc~/lpc_filter/makefile | 106 |
6 files changed, 0 insertions, 617 deletions
diff --git a/lpc~/lpc_filter/beauty.wav b/lpc~/lpc_filter/beauty.wav Binary files differdeleted file mode 100644 index 689b25c..0000000 --- a/lpc~/lpc_filter/beauty.wav +++ /dev/null diff --git a/lpc~/lpc_filter/drummach.wav b/lpc~/lpc_filter/drummach.wav Binary files differdeleted file mode 100644 index cf8cd55..0000000 --- a/lpc~/lpc_filter/drummach.wav +++ /dev/null diff --git a/lpc~/lpc_filter/lpc-cross-synthesis.pd b/lpc~/lpc_filter/lpc-cross-synthesis.pd deleted file mode 100644 index e49ea4a..0000000 --- a/lpc~/lpc_filter/lpc-cross-synthesis.pd +++ /dev/null @@ -1,327 +0,0 @@ -#N canvas 87 183 604 300 10; -#X obj 247 210 hsl 121 15 100 10000 0 1 empty empty filter-f -2 -6 -0 8 -225280 -62784 -90133 3409 1; -#X floatatom 244 225 0 0 0 0 - - -; -#X obj 91 218 dac~; -#N canvas 0 0 453 387 lpc-resynth 0; -#X obj 27 199 lpreson~; -#X obj 28 244 hip~ 18; -#X obj 27 49 inlet~; -#X obj 145 64 inlet; -#X obj 202 34 inlet; -#X obj 99 118 inlet~; -#X obj 28 318 outlet~; -#X obj 27 94 hip~ 1000; -#X obj 99 135 hip~ 1000; -#X obj 27 216 lop~ 1000; -#X obj 316 54 inlet; -#X obj 27 111 lpc~ 32; -#X obj 27 152 *~ 1; -#X obj 99 152 *~ 0; -#X obj 202 51 sel 0 1; -#X text 164 280 filter with larger block sizes; -#X text 163 267 lpc~ produces a less glitchy; -#X msg 202 68 1; -#X msg 202 85 0; -#X msg 224 85 1; -#X msg 224 68 0; -#X text 294 23 pre-emphasis/; -#X text 275 36 de-emphasis frequency; -#X text 160 18 select excitation; -#X text 146 48 order; -#X obj 181 248 block~ 1024 2 1; -#X obj 28 284 *~; -#X obj 142 221 tabreceive~ hanning; -#X text 151 296 overlapping windows are essential; -#X text 151 308 otherwise clicks will result; -#X connect 0 0 9 0; -#X connect 1 0 26 0; -#X connect 2 0 7 0; -#X connect 3 0 11 1; -#X connect 4 0 14 0; -#X connect 5 0 8 0; -#X connect 7 0 11 0; -#X connect 8 0 13 0; -#X connect 9 0 1 0; -#X connect 10 0 9 1; -#X connect 10 0 7 1; -#X connect 10 0 8 1; -#X connect 11 0 12 0; -#X connect 11 1 0 0; -#X connect 12 0 0 0; -#X connect 13 0 0 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0; -#X connect 10 0 3 2; -#X connect 11 0 3 3; -#X connect 12 0 8 1; -#X connect 13 0 8 2; -#X connect 13 1 8 3; -#X connect 15 0 10 0; -#X connect 16 0 15 0; -#X connect 16 0 30 0; -#X connect 17 0 18 0; -#X connect 18 0 8 4; -#X connect 25 0 0 0; -#X connect 26 0 25 0; -#X connect 30 0 17 0; -#X connect 32 0 31 0; diff --git a/lpc~/lpc_filter/lpc_test.pd b/lpc~/lpc_filter/lpc_test.pd deleted file mode 100644 index 7c9faea..0000000 --- a/lpc~/lpc_filter/lpc_test.pd +++ /dev/null @@ -1,53 +0,0 @@ -#N canvas 0 0 917 300 10; -#X obj 185 160 lpc~ 10; -#N canvas 0 0 450 300 playsound 0; -#X obj 68 74 inlet; -#X obj 163 76 inlet; -#X obj 163 93 openpanel; -#X msg 163 110 read -resize \$1 testfile; -#X obj 26 91 tabplay~ testfile; -#X obj 163 127 soundfiler; -#X obj 163 144 / 44.1; -#X obj 163 161 outlet; -#X obj 26 108 outlet~; -#X obj 99 149 outlet; -#X connect 0 0 4 0; -#X connect 0 0 9 0; -#X connect 1 0 2 0; -#X connect 2 0 3 0; -#X connect 3 0 5 0; -#X connect 4 0 8 0; -#X connect 5 0 6 0; -#X connect 6 0 7 0; -#X restore 185 119 pd playsound; -#N canvas 0 0 450 300 graph1 0; -#X array testfile 1.7683e+06 float 0; -#X coords 0 1 1.7683e+06 -1 200 140 1; -#X restore 516 19 graph; -#X obj 264 104 bng 15 250 50 0 empty empty load 0 -6 0 8 -262144 -1 --1; -#X obj 185 104 bng 15 250 50 0 empty empty play 0 -6 0 8 -262144 -1 --1; -#X obj 134 118 metro; -#X obj 134 103 tgl 15 0 empty empty loop 0 -6 0 8 -262144 -1 -1 0 1 -; -#X obj 185 230 dac~; -#X obj 329 37 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 1 -; -#X msg 329 68 \; pd dsp \$1; -#X floatatom 242 142 5 1 100 0 poles - -; -#X obj 184 183 lpreson~; -#X obj 185 206 hip~ 18; -#X connect 0 0 11 0; -#X connect 0 1 11 0; -#X connect 1 0 0 0; -#X connect 1 2 5 1; -#X connect 3 0 1 1; -#X connect 4 0 1 0; -#X connect 5 0 1 0; -#X connect 6 0 5 0; -#X connect 8 0 9 0; -#X connect 10 0 0 1; -#X connect 11 0 12 0; -#X connect 12 0 7 0; -#X connect 12 0 7 1; diff --git a/lpc~/lpc_filter/lpreson~.c b/lpc~/lpc_filter/lpreson~.c deleted file mode 100644 index f9d9260..0000000 --- a/lpc~/lpc_filter/lpreson~.c +++ /dev/null @@ -1,131 +0,0 @@ -/* Lattice IIR filter from PARCOR coefficients - * Copyright (C) 2005 Nicolas Chetry <okin@altern.org> - * and Edward Kelly <morph_2016@yahoo.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "m_pd.h" - -static t_class *lpreson_tilde_class; - -typedef struct _lpreson_control -{ - t_float *c_residual, *c_output; - t_atom *x_parcors; - /* t_atom x_parc_interp_one[MAXPOLES]; - t_int x_parc_ord_one; - t_atom x_parc_interp_two[MAXPOLES]; - t_int x_parc_ord_two; */ -} t_lpreson_control; - -typedef struct _lpreson_tilde -{ - t_object x_obj; - t_float f_dummy; - t_int x_order; - t_lpreson_control x_ctl; -} t_lpreson_tilde; - -t_int *lpreson_tilde_perform(t_int *w) -{ - t_object x_obj; - t_lpreson_tilde *x = (t_lpreson_tilde *)(w[1]); - t_lpreson_control *ctl = (t_lpreson_control *)(w[2]); - int n = (int)(w[3]); - t_float *in = ctl->c_residual; - t_float *out = ctl->c_output; - t_int ord = x->x_order; - float mem[ord+1]; -/* - * Do the inverse filtering - * - * 'data_in' : residual signal (length 'len') - * 'data_out' : output frame (length 'len') - * 'coeff' : the parcor coefficients (length 'tap') - * 'lattice_iir' : filter memory - Previously initialised using init_lattice_iir_filter() - * - */ - int k, i; - float sri; - - for (i=0;i<=ord;i++) - { - // SETFLOAT (&schur->x_parcors[i],0); - mem[i] = 0.0; - } - - for (k = 0; k < n; k++ ) - { - /* Synthesis filter - Lattice structure */ - sri = in[k]; - for (i=0; i<ord; i++) - { - t_float parcor = atom_getfloatarg ((ord-1-i),ord,ctl->x_parcors); - sri = sri - parcor * mem[ord-1-i]; - mem[ord-i] = mem[ord-1-i] + parcor*sri; - } - out[k] = sri; - mem[0] = sri; - - } /* next k */ - return(w+4); -} - -static void lpreson_tilde_list(t_lpreson_tilde *x, t_symbol *s, int argc, t_atom *argv) -{ - if (argc) - { - // x->x_ctl.parc_interp_two = copybytes(x->x_ctl.parc_interp_one, x->x_ctl.parc_ord_one * sizeof(t_atom)); - // x->x_ctl.parc_ord_two = x->x_ctl.parc_ord_one; - // x->x_ctl.parc_interp_one = copybytes(x->x_ctl.parcors, x->x_order * sizeof(t_atom)); - // x->x_ctl.parc_ord_one = x->x_order; - freebytes(x->x_ctl.x_parcors, x->x_order * sizeof(t_atom)); - } - - x->x_ctl.x_parcors = copybytes(argv, argc * sizeof(t_atom)); - x->x_order = argc; -} - -void *lpreson_tilde_dsp(t_lpreson_tilde *x, t_signal **sp) -{ - x->x_ctl.c_residual = sp[0]->s_vec; - x->x_ctl.c_output = sp[1]->s_vec; - dsp_add(lpreson_tilde_perform, 3, x, &x->x_ctl, sp[0]->s_n); - return (void *)x; -} - -void *lpreson_tilde_new(t_floatarg f) -{ - t_lpreson_tilde *x = (t_lpreson_tilde *)pd_new(lpreson_tilde_class); - x->x_order = f >= 1 ? (int)f : 5; - - outlet_new(&x->x_obj, &s_signal); - return (void *)x; -} - -void lpreson_tilde_setup(void) -{ - lpreson_tilde_class = class_new(gensym("lpreson~"), (t_newmethod)lpreson_tilde_new, 0, sizeof(t_lpreson_tilde), CLASS_DEFAULT, A_DEFFLOAT, 0); - - post(". . Lattice IIR filter for lpc. . . . . . ."); - post(". . by Nicolas Chetry <okin@altern.org> . ."); - post(". & Edward Kelly <morph_2016@yahoo.co.uk> ."); - - class_addmethod(lpreson_tilde_class, (t_method)lpreson_tilde_dsp, gensym("dsp"), 0); - - class_addlist(lpreson_tilde_class, lpreson_tilde_list); - - CLASS_MAINSIGNALIN(lpreson_tilde_class, t_lpreson_tilde, f_dummy); -} diff --git a/lpc~/lpc_filter/makefile b/lpc~/lpc_filter/makefile deleted file mode 100644 index 7589cd7..0000000 --- a/lpc~/lpc_filter/makefile +++ /dev/null @@ -1,106 +0,0 @@ -current: - echo make pd_linux, pd_nt, pd_irix5, pd_irix6 or pd_darwin, then make install - -clean: ; rm -f *.pd_* *.o - -# ----------------------- NT ----------------------- - -pd_nt: lpreson~.dll - -INSTALL_PREFIX="C:\pd\extra" -EXT=dll -.SUFFIXES: .obj .dll - -PDNTCFLAGS = /W3 /WX /DNT /DPD /nologo -VC="D:\Program Files\Microsoft Visual Studio\Vc98" - -PDNTINCLUDE = /I. /I\tcl\include /I..\..\src /I$(VC)\include - -PDNTLDIR = $(VC)\lib -PDNTLIB = $(PDNTLDIR)\libc.lib \ - $(PDNTLDIR)\oldnames.lib \ - $(PDNTLDIR)\kernel32.lib \ - ..\..\bin\pd.lib - -.c.dll: - cl $(PDNTCFLAGS) $(PDNTINCLUDE) /c $*.c - link /dll /export:$*_setup $*.obj $(PDNTLIB) - -# ----------------------- IRIX 5.x ----------------------- - -pd_irix5: lpreson~.pd_irix5 - -INSTALL_PREFIX=/usr/local -EXT=pd_irix5 -.SUFFIXES: .pd_irix5 - -SGICFLAGS5 = -o32 -DPD -DUNIX -DIRIX -O2 - -SGIINCLUDE = -I/usr/local/include - -.c.pd_irix5: - cc $(SGICFLAGS5) $(SGIINCLUDE) -o $*.o -c $*.c - ld -elf -shared -rdata_shared -o $*.pd_irix5 $*.o - rm $*.o - -# ----------------------- IRIX 5.x ----------------------- - -pd_irix6: lpreson~.pd_irix6 - -INSTALL_PREFIX=/usr/local -EXT=pd_irix6 -.SUFFIXES: .pd_irix6 - -SGICFLAGS5 = -o32 -DPD -DUNIX -DIRIX -O2 - -SGIINCLUDE = -I/usr/local/include - -.c.pd_irix6: - cc $(SGICFLAGS5) $(SGIINCLUDE) -o $*.o -c $*.c - ld -elf -shared -rdata_shared -o $*.pd_irix6 $*.o - rm $*.o - -# ----------------------- LINUX i386 ----------------------- - -pd_linux: lpreson~.pd_linux - -INSTALL_PREFIX=/usr/local -EXT=pd_linux -.SUFFIXES: .pd_linux - -LINUXCFLAGS = -DPD -O2 -funroll-loops -fomit-frame-pointer \ - -Wall -W -Wshadow -Wstrict-prototypes -Werror \ - -Wno-unused -Wno-parentheses -Wno-switch - -LINUXINCLUDE = -I/usr/local/include - -.c.pd_linux: - cc $(LINUXCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c - ld --export-dynamic -shared -o $*.pd_linux $*.o -lc -lm - strip --strip-unneeded $*.pd_linux - rm $*.o - -# ----------------------- Mac OSX ----------------------- - -pd_darwin: lpreson~.pd_darwin - -INSTALL_PREFIX=/usr/local -EXT=pd_darwin -.SUFFIXES: .pd_darwin - -DARWINCFLAGS = -DPD -O2 -Wall -W -Wshadow -Wstrict-prototypes \ - -Wno-unused -Wno-parentheses -Wno-switch - -.c.pd_darwin: - cc $(DARWINCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c - cc -bundle -undefined suppress -flat_namespace -o $*.pd_darwin $*.o - rm -f $*.o - -# ---------------------------------------------- - -install:: - install -d $(INSTALL_PREFIX)/lib/pd/extra -# install -m 644 *.$(EXT) $(INSTALL_PREFIX)/lib/pd/externs - -install -m 644 lpreson~.$(EXT) $(INSTALL_PREFIX)/lib/pd/extra - install -m 644 *.pd $(INSTALL_PREFIX)/lib/pd/doc/5.reference - install -m 644 *.wav $(INSTALL_PREFIX)/lib/pd/doc/5.reference |