PR CTICA 5 : AN LISIS DE SONIDOS

Anuncio
Lab. de Acústica: Análisis de sonidos
24%6+%##0.+5+5&'510+&15
+0641&7%%+¦0
.CU QPFCU UQPQTCU EQPUKUVGP GP XCTKCEKQPGU FG RTGUKÎP C TKVOQU OW[ FKXGTUQU
0QUQVTQU PQU EGPVTCTGOQU GP NC \QPC CWFKDNG FGN GURGEVTQ UGPUKDKNKFCF FGN QÈFQ JWOCPQ
EW[QTCPIQGPHTGEWGPEKCUQUEKNCFG*\CM*\
'ZKUVGP OWEJCU HWGPVGU RTQFWEVQTCU FG UQPKFQU KPUVTWOGPVQU OWUKECNGU O¶SWKPCU
KPFWUVTKCNGU XQ\ JWOCPC GVE [ ECFC WPC FG GNNCU NQ JCEG GP WP TCPIQ FG HTGEWGPEKCU
FKUVKPVCU [ EQP WPC EQORQUKEKÎP HTGEWGPEKCN XCTKCFC #UÈ RQFGOQU VGPGT VQPQU RWTQU WPC
ÕPKEC HTGEWGPEKC UQPKFQU RGTKÎFKEQU GURGEVTQ FKUETGVQ FG HTGEWGPEKCU [ UQPKFQU PQ
RGTKÎFKEQU
GURGEVTQEQPVKPWQFGHTGEWGPEKCU
&GHKPKOQUCEQPVKPWCEKÎPCNIWPQUFGNQUEQPEGRVQUO¶UTGNGXCPVGU
#6QPQRWTQNCHWGPVGQUEKNCETGCPFQGPUWURTQZKOKFCFGUWPCXCTKCEKÎPFGRTGUKÎPVKRQ
UGPQQEQUGPQUGTGRTGUGPVCRQTWPCHWPEKÎPOCVGO¶VKECFGNCHQTOC
S
S FRV ZW I 5QPGLGORNQUFGGUVCUHWGPVGUNQUQUEKNCFQTGUGNGEVTÎPKEQUCNVCXQEGUCNKOGPVCFQURQT
IGPGTCFQTGUFGUGÌCNUGPQKFCNGVE
$ 8KDTCEKQPGU RGTKÎFKECU NCU ECTCEVGTÈUVKECU FG NC HWGPVG ETGCP XCTKCEKQPGU FG RTGUKÎP
RGTKÎFKECU RGTQ PQ CTOÎPKECU FG OQFQ SWG NQU ECODKQU FG RTGUKÎP UG RWGFGP RQPGT EQOQ
UWRGTRQUKEKQPGU FGWPEQPLWPVQFKUETGVQFGVQPQURWTQU0QTOCNOGPVGGZKUVGWPCHTGEWGPEKC
OÈPKOCQHWPFCOGPVCN[QVTCUSWGRWGFGPUGTOÕNVKRNQUFGNHWPFCOGPVCN
CTOÎPKEQUQPQUGT
GZCEVCOGPVGOÕNVKRNQU
UQDTGVQPQUFGRGPFKGPFQFGNCURGEWNKCTKFCFGUFGNCHWGPVG5GRWGFG
GUETKDKT
S
¦S
N N
FRV Z N W I N FQPFGZ GUNCHTGEWGPEKCHWPFCOGPVCN[GPIGPGTCNRM RM
5QP GLGORNQU FG GUVCU HWGPVGU NQU KPUVTWOGPVQU OWUKECNGU NC XQ\ JWOCPC GURGEKCN
OGPVGNCUXQECNGU
% 8KDTCEKQPGU PQ RGTKÎFKECU NC HWGPVG ETGC XCTKCEKQPGU FG RTGUKÎP FG OQFQ SWG GUVCU
EQPVKGPGP WP EQPVKPWQ FG HTGEWGPEKCU FGPVTQ FG WP TCPIQ FGHKPKFQ 5G NGU EQPQEG EQP GN
PQODTGIGPÃTKEQFGTWKFQU
5QP GLGORNQU FG GUVCU HWGPVGU NQU OCTVKNNQU PGWO¶VKEQU [ GP IGPGTCN OWEJCU FG NCU
O¶SWKPCUKPFWUVTKCNGU
2CUGOQU C FGUETKDKT DTGXGOGPVG GN TWKFQ 'P IGPGTCN NC KPVGPUKFCF CEÕUVKEC RCTC NC
OC[QTÈC FG NQU UQPKFQU PQ GUV¶ FKUVTKDWKFC WPKHQTOGOGPVG UQDTG NC HTGEWGPEKC [ GU
EQPXGPKGPVGFGUETKDKTNCFKUVTKDWEKÎPRQTOGFKQFGNCFGPUKFCFGURGEVTCN
-
Lab de Acústica: Análisis de sonidos
', 'I
VCN SWG '+ GU NC KPVGPUKFCF FGPVTQ FGN KPVGTXCNQ FG HTGEWGPEKC 'H *\ RQT VCPVQ NC
KPVGPUKFCFVQVCN+EQPVGPKFCGPWPCDCPFCEQPHTGEWGPEKCUUWRGTKQT
HGKPHGTKQT
HGU
,
VCNSWGH H GUGNCPEJQFGDCPFC
³
I
I
- GI
2CTCNCOC[QTRCTVGFGNTWKFQGPUKVWCEKQPGUTGCNGUNCFGPUKFCFGURGEVTCNKPUVCPV¶PGC
,
VGUWPCECPVKFCFXCTKCDNGEQPGNVKGORQ[NC, SWGCRCTGEGGPNCKPVGITCNGUWPRTQOGFKQ
VGORQTCNUQDTGWPKPVGTXCNQVGORQTCNCFGEWCFQ, ,
V é'PIGPGTCNé UWGNGUGTOU
T¶RKFQQU
NGPVQ
.COGFKFCGPFGEKDGNKQUFG, GUGNPKXGNFGKPVGPUKFCFGURGEVTCN
0+'FCFQRQT
1,( ORJ
- x +]
GPFQPFG+TGH 9O RCTCGNCKTG
, UHI
§ , ·
¸ UQDTGWPCPEJQFGDCPFCFGUGCFQGU
ORJ ¨
¨, ¸
© UHI ¹
WP RTQEGUQ FKTGEVQ UK 0+' GU GUGPEKCNOGPVG EQPUVCPVG UQDTG GN KPVGTXCNQ CUÈ UK GN 0+' GU
EQPUVCPVGUQDTGGNCPEJQFGDCPFCYGPVQPEGU
1DVGPGTGNPKXGNFGKPVGPUKFCF 1,
1,
ORJ
- x +]
, UHI
ORJ
Z
+]
Ÿ
1,
1,( ORJZ
5KGN0+'GUHWPEKÎPFGNCHTGEWGPEKCUGUWDFKXKFGGNCPEJQFGDCPFCVQVCNGPKPVGTXCNQU
OGPQTGUFQPFGGN0+'UGCTGNCVKXCOGPVGEQPUVCPVGGPVQPEGUGN0+FGECFCKPVGTXCNQUGECNEWNC
EQPNCGZRTGUKÎPCPVGTKQT[UGEQPXKGTVGCKPVGPUKFCF'UVCUKPVGPUKFCFGUUGUWOCP[UGJCNNCGN
0+VQVCN
1,
ORJ
¦ ,L
, UHI
5KNCKPVGPUKFCFFGTGHGTGPEKC[NCRTGUKÎPFGTGHGTGPEKCUQPEQORCVKDNGU
, UHI
S UHI
U R F GPVQPEGUGN0+[GNPKXGNFGRTGUKÎP025UQPKIWCNGU[GSWKXCNGC
02502'NQIY
FQPFG02'PKXGNFGRTGUKÎPGURGEVTCNGSWKXCNGCN0+'.CRTGH P2CRCTCGNCKTG
'PGUVCICOCUGFGHKPGPWPCUGTKGFGTWKFQUFQPFGNQUO¶UTGNGXCPVGUUQP
% 4WKFQ DNCPEQ GU WP TWKFQ FG DCPFC CPEJC SWG VKGPG WP PKXGN FG RTGUKÎP GURGEVTCN
KPFGRGPFKGPVGFGNCHTGEWGPEKC5GECTCEVGTK\CRQTUGTCIWFQ[UKUGCPVG
% 4WKFQ TQUC GU WP TWKFQ FG DCPFC CPEJC FQPFG GN PKXGN FG RTGUKÎP GURGEVTCN FGETGEG
WPKHQTOGOGPVGCNCWOGPVCTNCHTGEWGPEKCEQPWPCRGPFKGPVGFGF$QEVCXC5GECTCEVGTK\C
RQTUGTOGPQUKTTKVCPVGSWGGNTWKFQDNCPEQ
Lab. de Acústica: Análisis de sonidos
%#4#%6'4+<#%+¦0&'.#81<
2CTC PQUQVTQU NC XQ\ EQPUKUVG GP RTQEGUQU FKHGTGPVGU G KPFGRGPFKGPVGU SWG UG
TGRTGUGPVCPGPGNUKIWKGPVGGUSWGOC[SWGUQP
C5CNKFCFGWPHNWLQFGCKTGFGUFGNQURWNOQPGU SWGGUV¶TGNCEKQPCFQEQPNCKPVGPUKFCFFGNC
XQ\
D#EEKÎPFGNQURNKGIWGUXQE¶NKEQU EW[QEQORQTVCOKGPVQGUFKUVKPVQGPHWPEKÎPFGNUQPKFQC
GOKVKTCUÈVGPGOQU
DGPNCRTQFWEEKÎPFGXQECNGU UGTGCNK\CWPCUWEGUKÎPT¶RKFCFGCRGTVWTCU[EKGTTGUFGNQU
RNKGIWGU FGLCPFQ RCUCT IQNRGU FG CKTG FGUFG NQU RWNOQPGU 'UVCU UGÌCNGU UQP FG VKRQ
RGTKÎFKEQ [ UG FGPQOKPCP VQPQU INQVCNGU 5K V GU GN RGTKQFQ FG NC UGÌCN CRCTGEGT¶ WPC
HTGEWGPEKCHWPFCOGPVCN[QVTCUFGPQOKPCFCUHTGEWGPEKCUCTOÎPKECUGUFGEKT
H V
[HP PH
'UVG RTQEGUQ VCODKÃP GU X¶NKFQ RCTC CNIWPCU EQPUQPCPVGU NCU NNCOCFCU RUGWFQ
EQPUQPCPVGU
O P
DGPNCRTQFWEEKÎPFG EQPUQPCPVGU NQURNKGIWGUXQE¶NKEQUPQXKDTCPUKPQSWGCFQRVCPWPC
RQUKEKÎP HKLC GU FGEKT GUVTGEJCP GN RCUQ FGN CKTG RTQXGPKGPVG FG NQU RWNOQPGU .C UGÌCN
CEÕUVKECIGPGTCFCGUFGVKRQCRGTKÎFKEC
E#EEKÎPFGNVTCEVQXQE¶NKEQ SWGCEVÕCEQOQECLCFGTGUQPCPEKCFGNUQPKFQKPKEKCNRTQFWEKFQ
RQT NQU RNKGIWGU XQE¶NKEQU [ EW[C HWPEKÎP GU CORNKHKECT WPCU FGVGTOKPCFCU HTGEWGPEKCU [
CVGPWCTQVTCU
GSWKXCNGPVGCWPGEWCNK\CFQTFGWPGSWKRQFGOÕUKEC
.CCEEKÎPFGNVTCEVQUGRWGFGECTCEVGTK\CTRQTOGFKQFGNCUHTGEWGPEKCUSWGCORNKHKEC [
CVGPÕC QDUGTX¶PFQUG RCTC NCU XQECNGU FQPFG GP GN VTCEVQ PQ UG RTGUGPVCP EQPUVTKEEKQPGU
CRTGEKCDNGU ITWRQU FG HTGEWGPEKCU EW[C KPVGPUKFCF UQDTGUCNG FGN TGUVQ # GUVQU ITWRQU FG
HTGEWGPEKCUNQUNNCOCOQUHQTOCPVGU&GGUVQUUGRWGFGPGZVTCGTRCT¶OGVTQUHWPFCOGPVCNGU
SWGUQPNCHTGEWGPEKCEGPVTCNNCKPVGPUKFCF[GNCPEJQFGDCPFC
'P NCU EQPUQPCPVGU CNIWPC RCTVG GPVTG NC INQVKU [ NQU NCDKQU UWHTG WP GUVTGEJCOKGPVQ
CRTGEKCDNG[RQTVCPVQNCHWPEKÎPFGNCECLCFGTGUQPCPEKCUGCRGSWGÌCUKGPFQRQTVCPVQFKHÈEKN
GNFGHKPKTWPQURCT¶OGVTQUSWGPQUECTCEVGTKEGPGUVQUUQPKFQU#FGO¶UVKGPGPGNCITCXCPVGSWG
PQUGRWGFGPRTQFWEKTCKUNCFCOGPVG[EQPXKGPGGUVWFKCTUWUECTCEVGTÈUVKECUEWCPFQXCPGPVTG
FQUUQPKFQUXQE¶NKEQU
+05647/'06#%+¦0
7PGSWKRQD¶UKEQRCTCCPCNK\CTUQPKFQUGUVCT¶EQORWGUVQRQTWPOKETÎHQPQGPECTICFQ
FG VTCPUHQTOCT NC UGÌCN CEÕUVKEC GP GNÃEVTKEC WP CEQPFKEKQPCFQT SWG EQPHQTOG NC UGÌCN
GNÃEVTKECRCTCRQFGTUGTVTCVCFCRQTWPEQPXGTUQTCPCNÎIKEQFKIKVCNSWGNCEQPXKGTVCGPWPC
Lab de Acústica: Análisis de sonidos
UGÌCNFKUETGVC
PÕOGTQUSWGUGT¶PNQUFCVQUFGGPVTCFCRCTCSWGEQPWP QTFGPCFQTRQFCOQU
ECNEWNCTNQURCT¶OGVTQUFGNCUGÌCN'PNCHKIWTCCFLWPVCUGOWGUVTCGNRTQEGUQ
.CUECTCEVGTÈUVKECUSWGFGHKPGPNQUOKETÎHQPQUUQP
.KPGCNKFCFFGNCUCNKFCGPHWPEKÎPFGNCGPVTCFC
+PFGRGPFGPEKCFGNCUCNKFCGPEWCNSWKGTHTGEWGPEKC
+PVGPUKFCFO¶ZKOC[OÈPKOCCNCSWGTGURQPFGEQTTGEVCOGPVG
&KTGEVKXKFCFFGNOKETÎHQPQ
SWGFGDGPUGTNQOGLQTRQUKDNGGPHWPEKÎPFGNITCFQFGRTGEKUKÎPTGSWGTKFC
.CU ECTCEVGTÈUVKECU FGN CEQPFKEKQPCFQT UG TGFWEGP C CORNKHKECT NC UGÌCN GNÃEVTKEC FGN
OKETÎHQPQ
RCUCTFGNQTFGPFGO8CNQTFGPFG8[SWGNCTGURWGUVCUGCKIWCNRCTCVQFCUNCU
HTGEWGPEKCU
'PNCCEVWCNKFCFGUEQPXGPKGPVGGNVTCVCOKGPVQFKIKVCNFGNCUGÌCNSWGVTCVCCGUVCEQOQ
WPEQPLWPVQFGPÕOGTQUUKGPFQNCECTCEVGTÈUVKECO¶UTGNGXCPVGGNITCFQFGRTGEKUKÎPFG NCU
OWGUVTCU[RCTCGNNQUGWVKNK\CPFKUVKPVQUEQPXGTUQTGUCPCNÎIKEQUFKIKVCNGU.CUECTCEVGTÈUVKECU
HWPFCOGPVCNGUFGGUVQUUQP
(TGEWGPEKCFGOWGUVTGQFGNCUGÌCNCPCNÎIKEC
0FGDKVUFGTGUQNWEKÎPFGNCEQPXGTUKÎP
.CHTGEWGPEKCFGOWGUVTGQFGDGUGTEQOQOÈPKOQGNFQDNGFGNCHTGEWGPEKCO¶ZKOC
SWGEQPVGPICNCUGÌCNCCPCNK\CT
ETKVGTKQFG0[SWKUV
'PEWCPVQCNPFGDKVUNQWUWCNGUWPQFGDKVUNQSWGEQPNNGXC XCNQTGU
FKHGTGPVGUFGNCUGÌCN
Lab. de Acústica: Análisis de sonidos
#.)14+6/15&'64#6#/+'061&'5'¤#.'5&+)+6#.'5
.QU RCT¶OGVTQU FG NQU UQPKFQU UG RWGFGP ECNEWNCT RQT OGFKQ FG WPC UGTKG FG
CNIQTKVOQUDCUCFQUGPFQURTQEGFKOKGPVQUD¶UKEQUSWGUQP
.2% 2TGFKEEKÎP NKPGCN DCUCFQ GP SWG NQU UQPKFQU FGPVTQ FG WP QTFGP UQP UGÌCNGU
NKPGCNOGPVGRTGFGEKDNGU[RQTVCPVQGNXCNQTFGWPCOWGUVTCGPWPKPUVCPVGVP UGRWGFGECNEWNCT
CRCTVKTFGNXCNQTFGNCUOWGUVTCUGPKPUVCPVGUCPVGTKQTGURQTOGFKQFGWPCEQODKPCEKÎPNKPGCN
FGWPFGVGTOKPCFQPÕOGTQFGXCNQTGUGUFGEKT
; WQ
¦D
Q L S
L
; WL
S Q
GN CNIQTKVOQ .2% ECNEWNC NQU RCT¶OGVTQU CK FG NC EQODKPCEKÎP SWG UQP FG CRNKECEKÎP GP
CP¶NKUKUFGXQEGUUÈPVGUKUFGXQ\CTVKHKEKCN
((6 6TCPUHQTOCFCT¶RKFCFG(QWTKGT
#.)14+6/1((6
%CNEWNCGNGURGEVTQFGNCUGÌCNCEÕUVKECGPGUVWFKQWVKNK\CPFQEQOQFCVQUFGGPVTCFC
0FGOWGUVTCU
0EQPXKGPGSWGUGCWPCRQVGPEKCFG
RG 8CNQTGUFGNCUOWGUVTCU
(TGEWGPEKCFGOWGUVTGQ
HU
FCPFQEQOQTGUWNVCFQ
4GUQNWEKÎPGPHTGEWGPEKCFGNGURGEVTQ
4H HU0
0FGHTGEWGPEKCUECNEWNCFCU
0H 0H 0
8CNQTFGNCKPVGPUKFCFFGECFCWPCFGGUVCUHTGEWGPEKCU
#.)14+6/1((6 5KPVGVK\CWPUQPKFQCRCTVKTFGNGURGEVTQFGNOKUOQUKGPFQRQTVCPVQNCKPXGTUCFGNC
CPVGTKQTRQTVCPVQNQSWGCNNÈGTCUCNKFCCSWÈGUGPVTCFC[TGEÈRTQECOGPVG
#.)14+6/1%'25647/
'NQDLGVKXQGUGNE¶NEWNQFGNCHTGEWGPEKCHWPFCOGPVCNFGWPUQPKFQRGTKÎFKEQUKGPFQ
WPCEQODKPCEKÎPFGNQUCPVGTKQTGU
/1&'.1&'(10#%+¦0241%'51&+4'%61
5WQDLGVKXQGUECNEWNCTCRCTVKTFGNCEQPHKIWTCEKÎPCPCVÎOKECFGNVTCEVQNCUHTGEWGPEKCU
SWGUGCORNKHKECP[NCUSWGUGCVGPÕCPUKTGCNOGPVGCTVKEWN¶UGOQUWPUQPKFQXQE¶NKEQEQPGUG
VTCEVQ2GTOKVGECNEWNCTNQUHQTOCPVGU FGNQUUQPKFQUXQE¶NKEQU
Lab de Acústica: Análisis de sonidos
.2%241%'51+08'451
4GCNK\CNCHWPEKÎPEQPVTCTKCSWGGNCPVGTKQT
#.)14+6/152.
'NQDLGVKXQGUGNECNEWNQFGNCGPXQNXGPVGFGNQURKEQUFGNGURGEVTQGUFGEKTECNEWNC
FKTGEVCOGPVGNQUHQTOCPVGU FGNQUUQPKFQUXQE¶NKEQU
/WEJQUFGGUVQUCNIQTKVOQUGUV¶PKORNGOGPVCFQUGPGNUQHVYCTGFGCRNKECEKÎP#0#
510 [81:510RCTCGNE¶NEWNQFGRCT¶OGVTQUTGNGXCPVGUFGNQUUQPKFQURTGUGPVCPFQNQU
TGUWNVCFQUFGWPCOCPGTCIT¶HKECEQPWPCUCNKFCFKTGEVCCKORTGUQTCRCTCWPCH¶EKNNGEVWTCFG
NQUTGUWNVCFQU
Lab. de Acústica: Análisis de sonidos
':2'4+/'06#%+¦0
#0.+5+5&'(+%*'415&'510+&15
.CRTKOGTCRCTVGEQPUKUVGGPFGVGTOKPCTGNVKRQFGUQPKFQSWGJC[EQPVGPKFQGPWPC
UGTKG FG HKEJGTQU SWG UG RTQRQTEKQPCP GP WP FKUSWGVG 2CTC GNNQ FGDG CTTCPECT GN RTQITCOC
RQPKGPFQWPCNNCXGFGJCTFYCTGGPGNRWGTVQRCTCNGNQ
GNFGNCKORTGUQTC [UKVW¶PFQUGGP
GNUKUVGOCQRGTCVKXQ /5&15QGP9+0&195GLGEWVCTGNRTQITCOC#0#510
&GPVTQFGNFKTGEVQTKQTCÈ\FGNFKUEQFWTQ
%> RCUGCNFKTGEVQTKQ#0#510 EFCPC
UQP [FGPVTQFGÃNCTTCPECTGNGLGEWVCDNG#0#510
CPCUQP
#RCTVKTFGCSWÈ GNRTQITCOCNGRTGUGPVCT¶WPCUGTKGFGQREKQPGUEQOQUQP
)4#$#%+¦0 SWGRGTOKVGITCDCTWPUQPKFQGPWPHKEJGTQ9#8
%#.+$4#&1 SWGRGTOKVGIGPGTCTWPHKEJGTQSWGUKTXGFGTGHGTGPEKCRCTCGNVTCVCOKGPVQFG
QVTQUTWKFQU
#0.+5+5 SWGRGTOKVGCPCNK\CTGNUQPKFQEQPVGPKFQGPWPHKEJGTQ9#8
%10(+)74# SWGRGTOKVGCEVWCTUQDTGNCHQTOCFGGZRQTVCTNQUTGUWNVCFQU
5#.+4 EKGTTCGNRTQITCOC
'PGUVCRCTVGVCPUQNQPQUKPVGTGUCNCRCTVGFG#0.+5+5 RQTNQSWGRKPEJCTGOQUEQP
GNTCVÎPGPGUCRCTVG'NUKUVGOCPQURKFGWPHKEJGTQRCTCNCEQORCTCEKÎPSWGGUV¶GPGNOKUOQ
FKTGEVQTKQ FG VTCDCLQ [ SWG UG NNCOC TGH RQT VCPVQ VGENGCTGOQU FKEJQ PQODTG [ GN RTKOGT
HKEJGTQRTQDNGOC'UVQUGUV¶PGPWPFKUSWGVGSWGUWOKPKUVTCGNRTQHGUQT[FGNQUEWCNGUJC[
SWGCPCNK\CTWPVQVCNFGCTEJKXQUSWGRWGFGPUGTCSWGNNQUEW[QPQODTGGORKGEGRQT+ QRQT
2 GN RTQHGUQT FKT¶ EWCNGU JC[ SWG CPCNK\CT %WCPFQ PQU RKFC GN PQODTG FGN HKEJGTQ C
CPCNK\CTVGENGCTGOQUC>PQODTG.QUPQODTGUFGNQUHKEJGTQUUQP
+%+%+5+5+-&+-5+5+5+5
2&2%2525252-52%2525
7PCXG\ECTICFQGNHKEJGTQUGXKUWCNK\CGPNCRCPVCNNC[RTGUGPVCWPCUGTKGFGQREKQPGU
GPVTGNCUSWGFGUVCECP
'/+6+4RGTOKVGGUEWEJCTGNUQPKFQEQPVGPKFQGPGNHKEJGTQ
((6RGTOKVGECNEWNCTNCVTCPUHQTOCFCT¶RKFCFG(QWTKGTGPWPKPVGTXCNQOÈPKOQ
241/'&+1 KIWCN SWG ((6 RGTQ EQOQ EQODKPCEKÎP FG ((6U GP NQU FKUVKPVQU KPVGTXCNQU
JCUVCEQORNGVCTNC\QPCUGNGEEKQPCFC
Lab de Acústica: Análisis de sonidos
'NGIKTNQSWGUGSWKGTC[UGIWKTKPUVTWEEKQPGUFGRCPVCNNC
%QPNCUQREKQPGU((6 [241/'&+1 UGQDVKGPGGPRCPVCNNCGNGURGEVTQGPHTGEWGPEKC
FGN TWKFQ EQPUKFGTCFQ SWG RWGFG RTGUGPVCTUG GP RCPVCNNC GP NCU QREKQPGU FG $#0&#
'564'%*# QGP6'4%+1&'1%6#8# WVKNKEGNCSWGEQPUKFGTGEQPXGPKGPVG
'PNCQREKÎP((6 VKGPGGNCRCTVCFQ24+06 EQPGNEWCNRQFT¶QDVGPGTNCKORTGUKÎPFGN
GURGEVTQ ECNEWNCFQ FGN OKUOQ OQFQ NC QREKÎP 241/'&+1 GP GUVC VCODKÃP VKGPG NC
RQUKDKNKFCF FG )7#4&#4 RCTC VTCVCT GN HKEJGTQ EQP ':%'. Q EQP NC QREKÎP FGN RTQRKQ
RTQITCOCRGTQSWGPQWUCTGOQU
&GECFCHKEJGTQGZVTCGTNCKPHQTOCEKÎPO¶UTGNGXCPVGEQOQRWGFGPUGTHTGEWGPEKCUG
KPVGPUKFCFGU O¶U KORQTVCPVGU UK GU SWG NCU JC[ VKRQU FG UQPKFQU SWÃ TGRTGUGPVCP
EQORCTCEKÎP GPVTG GNNQU UK GU SWG UQP EQORCTCDNGU TGNCEKQPGU EQP GUVWFKQU VGÎTKEQU SWG
EQPQ\ECU CNIWPCU IT¶HKECU SWG EQPUKFGTGU KPVGTGUCPVGU [ EWCNSWKGT QVTC CRQTVCEKÎP RGTUQPCN
SWGEQPUKFGTGUPGEGUCTKCEQPXKUVCUCKFGPVKHKECTEQORNGVCOGPVGGNUQPKFQGPGUVWFKQ
%QOQ CNIWPQ FG NQU UQPKFQU RTQXKGPG FG KPUVTWOGPVQU OWUKECNGU C EQPVKPWCEKÎP UG
RTGUGPVCWPCVCDNCEQPNQUXCNQTGUFGNCUHTGEWGPEKCU[NCUPQVCUOWUKECNGU
1%6
&1
4'
016#
4'D
/+D
/+
(#
51.D
51.
.#D
.#
5+D
5+
5G FKURQPG FG WPCU VCDNCU FG FCVQU GP GN IWKÎP RCTC SWG TGNNGPGP UK NQ EQPUKFGTCP
PGEGUCTKQEQPNCKPHQTOCEKÎPO¶UTGNGXCPVG
Lab. de Acústica: Análisis de sonidos
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
Lab de Acústica: Análisis de sonidos
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
Lab. de Acústica: Análisis de sonidos
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
Lab de Acústica: Análisis de sonidos
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
Lab. de Acústica: Análisis de sonidos
01/$4'&'(+%*'41
6#$.#
(TGEWGPEKC
*\
%1/'06#4+15
+PVGPUKFCF
F$
Lab de Acústica: Análisis de sonidos
#0.+5+5&'81<
'PGUVCmRCTVGETGCTGOQUHKEJGTQUFGXQ\[CPCNK\CTGOQUCNIWPCUFGNCUECTCEVGTÈU
VKECUO¶UTGNGXCPVGU2CTCGNNQWVKNK\CTGOQUGNRTQITCOC81:510 SWGRWGFGJCEGTNCUEQUCU
FGN#0#510 O¶UQVTCUEQUCUCFKEKQPCNGUTGNCEKQPCFCUEQPNCXQ\
%QNQECT GP GN RWGTVQ RCTCNGNQ NC NNCXG 81:510 SWKVCPFQ RTGXKCOGPVG NC NNCXG
#0#510CTTCPECTGNRTQITCOCFGUFG/5&15Q9+0&195 UKVW¶PFQUGGPGNOKUOQ
FKTGEVQTKQSWGCPVGTKQTOGPVG[GLGEWVCPFQ81:5105GIWKTNCUKPFKECEKQPGUFGRCPVCNNC
.CUQREKQPGUSWGUGRTGUGPVCPUQP
%10(+)74# RGTOKVGEQPVTQNCTNCKORTGUKÎPFGFQEWOGPVQURWFKGPFQGPXKCTNQUFCVQUC
#4%*+81 Q # 2#2'. GP GUVG  ECUQ JC[ SWG GNGIKT GN VKRQ FG NGVTC FG KORTGUKÎP
OKGPVTCU SWG GP GN GT ECUQ GN CTEJKXQ VKGPG GZVGPUKÎP 240 [ RWGFG KORTKOKTUG EQP GN
EQOCPFQ24+06 FGN/5&15 GPEWCNSWKGTQTFGPCFQT
)4#$#%+10 RGTOKVGITCDCTEQPGNOKETÎHQPQWPHKEJGTQFGXQ\'NRTQITCOCNGUQNKEKVCT¶
WPCUGTKGFGRCT¶OGVTQUSWGRQFT¶XCTKCTCXQNWPVCF5GIWKTNCUKPUVTWEEKQPGUFGRCPVCNNC
#0.+5+5 RGTOKVGJCEGTWPGUVWFKQFGNCUECTCEVGTÈUVKECUFGNCXQ\
.CRTKOGTCVCTGCEQPUKUVGGPITCDCTXQEGUGPHKEJGTQUFGUQPKFQURCTCGNNQFGPVTQFG
NCURQUKDKNKFCFGUFGNOGPÕKPKEKCNUGUGNGEEKQPCEQPGNTCVÎP)4#$#%+10CRCTGEGT¶PWPCU
XCTKCDNGUSWGRQFT¶OQFKHKECT.QUHKEJGTQUFGUQPKFQQEWRCPOWEJQGURCEKQGPOGOQTKC
CUÈ SWG GN VKGORQ FG ITCDCEKÎP FGDG UGT OGPQT Q KIWCN C UGIWPFQU VI U 7PC
RTKOGTC ITCDCEKÎP EQPVGPFTÈC NCU XQECNGU [ WPC UGIWPFC RCNCDTCU FQPFG CRCTG\EC CN OGPQU
WPCXG\NCUGEWGPEKCXQECNEQPUQPCPVGXQECN%QOQWPQFGNQUGLGTEKEKQUGUEQORCTCTWPC
Q XCTKCU XQECNGU FG NQU OKGODTQU FGN ITWRQ EQPXKGPG SWG GP GN HKEJGTQ FG XQECNGU JC[C
XQECNGUFGNQUFQU5KICNCUKPUVTWEEKQPGUFGRCPVCNNC%WCPFQETGCSWGNCITCDCEKÎPJCUKFQ
DWGPC
NCUCVWTCEKÎPUGTGRTGUGPVCEQPNÈPGCUTQLCUCNOCEGPGNCITCDCEKÎPGPWPHKEJGTQFKEJQ
HKEJGTQUGIWCTFCGPGNFKTGEVQTKQFGVTCDCLQ
#ECDCFCU NCU ITCDCEKQPGU UG RTQEGFG CN CP¶NKUKU UGNGEEKQPCPFQ FKEJC QREKÎP GP GN
OGPÕ RTKPEKRCN 2CTC NNGXCT C ECDQ GUVC RQUKDKNKFCF FGDG EQORCTCT EQP WP HKEJGTQ FG
TGHGTGPEKC ECNKDTCFQ UGIÕP GN OKETÎHQPQ FG GPVTCFC 'UVG RTQEGUQ [C GUVC TGCNK\CFQ [ GN
HKEJGTQFGEQORCTCEKÎPUGNNCOC%#. CNSWGJCDT¶SWGKPXQECTUKGORTGSWGUGJCICWP
CP¶NKUKU
&GPVTQFG#0#.+5+5 VKGPGWPUWDOGPÕEQPNCUUKIWKGPVGUQREKQPGU
'/+6+4GUEWEJCRQTCNVCXQEGUGNUQPKFQITCDCFQ
Lab. de Acústica: Análisis de sonidos
+056#06' UGNGEEKQPC NC \QPC GP GUVWFKQ FG NC SWG UG RWGFGP FGFWEKT RTQRKGFCFGU FGN
UQPKFQEQOQUQP
'52'%641 FGVGTOKPCGNGURGEVTQFGNC\QPCFGGUVWFKQ
HTGEWGPEKCKPVGPUKFCFGU
%'25647/ RGTOKVGECNEWNCTNCRGTKQFKEKFCFEQPNCSWGNQURNKGIWGUXQE¶NKEQUJCP
TGCNK\CFQWPRTQEGUQFGCRGTVWTCEKGTTGCRGTVWTCGUFGEKTRGTOKVGECNEWNCT
NCHTGEWGPEKCHWPFCOGPVCNFGWPUQPKFQRGTKÎFKEQ
(14/#06'5FGVGTOKPCNCUTGUQPCPEKCUFGNVTCEVQXQE¶NKEQGUFGEKTXKUWCNK\CGN
GHGEVQGEWCNK\CFQTFGNVTCEVQ
FGUFGNCINQVKUJCUVCNQUNCDKQU
64#%61 XKUWCNK\CNCHQTOCCFSWKTKFCRQTECFCRCTVGFGNVTCEVQGPNCRTQPWP
EKCEKÎPFGNUQPKFQGPGUVWFKQ
'52(14 GPWPCIT¶HKECUGOWGUVTCPGURGEVTQ[HQTOCPVGU
5'.'%%+10 RGTOKVGGNGIKTQVTC\QPCFGGUVWFKQ
4'2146 UGRTQFWEGWPCKORTGUKÎPFQPFGUGEQPVGORNCPNQURCT¶OGVTQUSWG
ECTCEVGTK\CPGNKPUVCPVGCPCNK\CFQ
5#.+4 XWGNXGCNOGPÕKPKEKCN
6QFCUNCUQREKQPGUVKGPGPNCRQUKDKNKFCFFGKORTKOKTNQUTGUWNVCFQU
'81.7%+10 RGTOKVGUGNGEEKQPCTWPKPVGTXCNQVGORQTCNCXQNWPVCF6KGPGQREKQPGU
'52'%641 OWGUVTCGPWPIT¶HKEQNCUXCTKCDNGU
VKGORQHTGEWGPEKCKPVGPUKFCF
GUVCÕNVKOCOGFKCPVGWPCGUECNCFGEQNQT
(14/( OWGUVTCNCUHTGEWGPEKCUSWGUGGURGEKHKECP
GPTQLQNCHWPFCOGPVCN
'NCNWOPQVGPFT¶SWGGUVWFKCTNQUUKIWKGPVGURWPVQU
'URGEVTQU FG WPC XQECN CDKGTVC C G Q [ WPC XQECN EGTTCFC K W FG ECFC
OKGODTQFGNITWRQFGVTCDCLQCUÈEQOQNCUHTGEWGPEKCUHWPFCOGPVCNGU[NQUHQTOCPVGU‹GP
SWÃUGRCTGEGPGPSWGUGFKHGTGPEKCP!%QOGPVCTNQUCURGEVQUSWGEQPUKFGTGPO¶UTGNGXCPVGU
#PCNK\CTNCGXQNWEKÎPGPWPCRCNCDTCSWGEQPVGPICXQECNGU[EQPUQPCPVGU‹3WÃ
ETGGSWGGUO¶UKORQTVCPVGRCTCNCKPVGNKIKDKNKFCFFGNCRCNCDTCNCUXQECNGUQNCUEQPUQPCP
VGU!‹%ÎOQRQFTÈCTGCNK\CTWPGZRGTKOGPVQRCTCEQORTQDCTNQ!%QOGPVCTNQUCURGEVQUSWG
EQPUKFGTGO¶UKORQTVCPVGU
016#CNCECDCTNCUGUKÎPGLGEWVGGNRTQITCOC.+/2+#':' RCTCDQTTCTVQFQUNQU
HKEJGTQU ETGCFQU FWTCPVG NC LQTPCFC 5K SWKGTG EQPUGTXCTNQU VTCURCUG NC KPHQTOCEKÎP C WP
FKUSWGVGGUVQUHKEJGTQUUQPKORTKOKDNGUEQPGNEQOCPFQ24+06FG/5&15
Descargar