Conseils Pour La Sélection D'une Forme D'onde - Roland XV-3080 Mode D'emploi

Chapitre 4 Création d'un Patch
YRXV Q·DLPH] SDV OHV FKDQJHPHQWV TXH YRXV DYH] DSSOLTXpV
DSSX\H] VXU >81'2@ SRXU UpWDEOLU OD YDOHXU G·RULJLQH GX
SDUDPqWUH
7. 5pSpWH] OHV pWDSHV ² SRXU ILQLU OH UpJODJH GX 3DWFK
8. $SSX\H] VXU >(;,7@ SRXU UHYHQLU j OD SDJH 3$7&+
3/$<
8Q V\PEROH ´ µ DSSDUDvW j OD JDXFKH GX QRP GX 3DWFK SRXU
LQGLTXHU TXH VHV UpJODJHV RQW pWp PRGLILpV
fig.4-05.e
6L YRXV pWHLJQH] O·DSSDUHLO RX VL YRXV VpOHFWLRQQH] XQ DXWUH
3DWFK DORUV TXH OH V\PEROH´ µ HVW DIILFKp YRV QRXYHDX[
UpJODJHV GH 3DWFK VRQW SHUGXV 3RXU OHV FRQVHUYHU
VDXYHJDUGH] OH 3DWFK PRGLILp DYHF O·RSpUDWLRQ :ULWH pFULWXUH
S
Fonction Palette
3HQGDQW O·pGLWLRQ G·XQ 7RQH YRXV SRXYH] YLVXDOLVHU OHV
UpJODJHV GHV DXWUHV 7RQHV GX PrPH 3DWFK HQ DSSX\DQW VXU OD
WRXFKH >3$/(77(@
1. 3RXU pGLWHU XQ 7RQH DSSX\H] VXU >3$/(77(@ SRXU
DOOXPHU OH YR\DQW OXPLQHX[ GH OD WRXFKH
/D SDJH 3DOHWWH DSSDUDvW
fig.4-15.e
2. $SSX\H] VXU XQH WRXFKH GH VpOHFWLRQ721( 6(/(&7 > @²
> @ > @ > @ SRXU FKRLVLU OH 7RQH j PRGLILHU
/H YR\DQW OXPLQHX[ GH OD WRXFKH GX 7RQH VpOHFWLRQQp
V·DOOXPH SXLV OH QXPpUR GX 7RQH HW OH QRP GH O·RQGH
DSSDUDLVVHQW VXU O·pFUDQ
3RXU PRGLILHU VLPXOWDQpPHQW OH PrPH SDUDPqWUH GDQV GHX[
7RQHV RX SOXV PDLQWHQLU XQH WRXFKH 721( 6(/(&7 > @²> @
HQIRQFpH SXLV DSSX\H] VXU OD WRXFKH 721( 6(/(&7 > @²
> @FRUUHVSRQGDQW DX VXLYDQW GHV 7RQHV FKRLVL HW DLQVL GH
VXLWH VHORQ OHV EHVRLQV
3. 7RXUQH] OD PROHWWH 9$/8( RX DSSX\H] VXU >,1&@
>'(&@ SRXU DXJPHQWHU RX UpGXLUH OD YDOHXU HQ FRXUV GX
SDUDPqWUH HQ IRQFWLRQ GH YRV VRXKDLWV
6L YRXV DYH] VpOHFWLRQQp GHX[ 7RQHV RX SOXV OH FKDQJHPHQW
TXH YRXV DSSOLTXH] YD DXJPHQWHU RX UpGXLUH OH UpJODJH GX
SDUDPqWUH GH OD PrPH YDOHXU SRXU WRXV OHV 7RQHV
VpOHFWLRQQpV
6L YRXV GpVLUH] UpJOHU WRXV OHV 7RQHV VpOHFWLRQQpV j OD PrPH
YDOHXU GpSODFH] OH FXUVHXU VXU OH 7RQH TXL HVW GpMj j FHWWH
90
YDOHXU HQ DSSX\DQW VXU >
PDLQWHQDQW OD WRXFKH >6+,)7@ HQIRQFpH DSSX\H] VXU OD
PROHWWH 9$/8(
6L YRXV IDLWHV XQH HUUHXU HQ VpOHFWLRQQDQW XQH YDOHXU RX VL
YRXV Q·DLPH] SDV OHV FKDQJHPHQWV TXH YRXV DYH] DSSOLTXpV
DSSX\H] VXU >81'2@ SRXU UpWDEOLU OD YDOHXU G·RULJLQH GX
SDUDPqWUH
4. 6L YRXV YRXOH] pGLWHU G·DXWUHV SDUDPqWUHV DSSX\H] VXU
> @ > @ SRXU VpOHFWLRQQHU OH SDUDPqWUH FKRLVL
5. 5pSpWH] OHV pWDSHV ² SRXU UpJOHU OD YDOHXU GX
SDUDPqWUH
6. $SSX\H] VXU >3$/(77(@ SRXU pWHLQGUH VRQ YR\DQW
OXPLQHX[ HW TXLWWHU OD SDJH 3DOHWWH
7. $SSX\H] VXU >(;,7@ SRXU UHWRXUQHU j OD SDJH 3$7&+
3/$<
Conseils pour la sélection d'une
forme d'onde
&RPPH OH ;9 HVW FRQoX SRXU FUpHU GHV VRQV HQ WRXW
SRLQW UpDOLVWHV OH SURFHVVXV G·pGLWLRQ GpSHQG EHDXFRXS GHV
IRUPHV G·RQGH 3&0 FRPSOH[HV VXU OHVTXHOOHV VRQW EDVpV OHV
7RQHV 3DU FRQVpTXHQW VL YRXV HVVD\H] GH FUpHU XQ VRQ
WRWDOHPHQW GLIIpUHQW GH OD RX GHV IRUPH V G·RQGH j YRWUH
GLVSRVLWLRQ OH UpVXOWDW UHFKHUFKp SHXW V·DYpUHU GLIILFLOH YRLUH
LPSRVVLEOH j REWHQLU
/HV IRUPHV G·RQGH LQWHUQHV GX ;9
GHX[ JURXSHV VXLYDQWV
&HV IRUPHV G·RQGH FRQWLHQQHQW GHV VRQV TXL
One-shot:
RQW GHV GXUpHV GH UHOD[DWLRQ FRXUWHV 8QH IRUPH G·RQGH QRQ
UpFXUUHQWH HQUHJLVWVUH OD PRQWpH LQLWLDOH HW OD GHVFHQWH GH VRQ
VRQ &HUWDLQHV IRUPHV G·RQGH QRQ UpFXUUHQWHV GX ;9
VRQW GHV VRQV TXL VH VXIILVHQW j HX[ PrPHV FRPPH OHV VRQV
G·LQVWUXPHQWV GH SHUFXVVLRQ /H ;9
GH QRPEUHXVHV DXWUHV IRUPHV G·RQGH QRQ UpFXUUHQWHV TXL
VRQW GHV pOpPHQWV G·DXWUHV VRQV 2Q \ WURXYH GHV FRPSRVDQWV
G·DWWDTXH FRPPH OHV VRQV GHV PDUWHDX[ GH SLDQR HW OHV EUXLWV
SURYRTXpV SDU OHV IUHWWHV G·XQH JXLWDUH
&HV IRUPHV G·RQGH FRQWLHQQHQW GHV VRQV j
Looped:
ORQJXHV GXUpHV GH UHOD[DWLRQ DLQVL TXH GHV VRQV WHQXV $YHF
OHV IRUPHV G·RQGH HQ ERXFOH OD GHUQLqUH SDUWLH GX VRQ HVW
MRXpH HW UHMRXpH WDQW TXH OD QRWH HVW WHQXH FH TXL SHUPHW
O·XWLOLVDWLRQ SOXV HIILFDFH GH OD PpPRLUH G·RQGH /HV IRUPHV
G·RQGH HQ ERXFOH GX ;9
FRPSRVDQWV G·DXWUHV VRQV FRPPH OHV YLEUDWLRQV GHV FRUGHV
GH SLDQR HW OHV VRQV FDYHUQHX[ GHV FXLYUHV
/H VFKpPD VXLYDQW PRQWUH O·H[HPSOH GX VRQ G·XQ RUJXH
pOHFWULTXH TXL FRPELQHV GHV IRUPHV G·RQGH QRQ UpFXUUHQWHV
@ > @ SXLV WRXW HQ
DSSDUWLHQQHQW DX[
FRQWLHQW pJDOHPHQW
FRPSUHQQHQW DXVVL GHV