mc bomine 
tiibil eff accipere ncq; fm ee neqj f»m fubftatiam.tn boc 
cn»3 Differt a tpe.teporto enim eft accipe permaneo inn 
fubffatia I3 no f m e(Te:ut fupza in quefftone oe tpe ,pba 
tum eftXum igif fonus caufef ab effe tam oebilt ? fit cu 
»pfotpeadbucbabeteeoebiliue:? ( ppterboc ab aucto/ 
ribue non inuenif expffe Determinatu gd fit fonuetfed 
inodofiipzadicto pot Diffiniri fim natura eiue.per illa? 
eni5 Diffinitionem tagunf efficiee foni z forma z finio z 
per manetia.fo:ma enim z finio tagunf per boe qb Dkif 
qualitao fenfibilio fenfit auditue/p>er boc aute qb Dkif 
pueniee ex motu fractiuo aerio tagif effkieo z materia, 
qSer i?oc aut qb d: eno cu illo tagif pmanetia ei 9 i ee ?c» 
Otru fonuo alterat co:pa inaiata z fenfum. 
, j£rtio queritur Cftrufonusal 
terat co:pa inaiata z fenfum uel fenfum tm.? 15 
eft querere utru in aere fit mot° fractiuue tm z no ee fo/ 
iu:<z ee foni ttft fit in fenfu.f.in neruo ejcpanfo in tvmpa/ 
no aurte ut fup Dictu eft.i£t videf q? beat ee in aere fic. 
oe fenfibile fentir per medim in quo illud fenfibile bet 
aligd ee:fed fonuo eff fenfibile.ergo fentif per medium 
tn quo bet aliqb ee.mediufto eff aer ergo fonuo bet ali/ 
qb ee in aere.C’ ifbteterea gcgd alterat aligd pfe alterat 
ipm per qlitate que eff in ipfo fim ee.Sler alterat auditu 
pfe.ergo alterat auditu per qlitate que eff in ipfo.CpSi 
forte otcaf q? boc no fegtttr q: motui alterat aligd fiin ca 
ltdu z tame motuo pfe no eff calidueXotra boc eff tn/ 
ffatia q: motuo no facit calore nili per accno.^o: aut ob/ 
lectio pcedit oe pfe alterite.CTSi tb:te okaf tteru? gp 
in ueritate motuo no facit calorem niti per accue:fed tn 
iernp facit eu in ibto fufcepttuo caloris.? filr aer ipulfus 
pcutieo neruu audtbile facit fonti in neruo per accideo: 
fedtfifemp facit eu.? ficut motuo no eff cahdueita aer 
pcutiteo eft fonte ideo fonuo no bet nifi tm effe in 
fenfu z no in aere.CEXotra fic eff q? illb qb alteraf per 
motu no pctpit calore nifi pue peipiat motu.ergo filr in 
fenfu audttuo no peipief fonuo nifi pue per eiide fenfu? 
peutiaf motuo aerio pcutjette boc ia iptobatum efttq: 
multi pcipiiit fonti qui no pciptiit motu.{E* Si fozte Di/ 
caf q>l3 no peipiat tn eff ibi mot°pcutiee neruuXbtra 
boc eff:q: alterationi fim fenfum fubale eff peipe fenfibi 
Ie.fi ergo eff ibi motuo alterae neruu peutiedo ipmrne/ 
cefie eff ipm pcipi.CPlbzeterea fi eff motuo z fonuo in 
neruo.aut utriiq5 eff fenfibile pfe i lliue neruuaut vnum 
per altudtaut vnu fine alio.Si {>mo mo tunc mot° fracti 
«no erit fenfibile pfe a fenfu audit 0 qb fup improbatum 
eft.Si febo mo.aut ergo mot° fentif per forni aut econ/ 
tra.? quocuqj mo otcaf oporteret femp ictu impelletem 
neruii fentiri a neruo audibili qb eff ptra fenfum: quia 
noo nb fentimue neruu nf m qui eff in aure nra tanqj i 
pullum a motu aliquo.ergoviaefcp fonuo alterae fen/ 
fum beat ee in aere z recipiaf fine comotione aliq a ner 
«o.®TlD>:eterea oee auctoreo ita okut cp ma foni e aer* 
ergo videf qmlvnuqbq? beat ee futi iri ma fuacp etia? 
fonuo bebit ee fau in aere.CPkkterea noo videm 0 re 
fleettone foni eje eo q> aer pcuffuo reflectif :ficut patet in. 
fono ecbo:? non reflectif nifi in eo in quo eft.ergo fon° 
bet ee in aere z no tm in auditu.Si boc cocedaf oftedif 
in ptrariu q: ia oftefum eff g> fonuo no ourat in effe nifi 
qjdiu Durat comotiofractuia aerioXomotio aut fracti' 
«a aerio no eff tn vno fenfibiluqz fi eet fentiref.ergo vk 
defq? fonuo non fit tn neruo fenftbili fibeateetn aere* 
c; Sofo.etia pbi reputat bac qoue Diffkile.f.utni ner/ 
uuo muter fim fonti eje aere peuttete tniuiel ex aere peu' 
nete z fonatemoo tii ,ppter roneo fupdictae fequeuteo 
Dicta naliu Dicim 0 gp imutaf ex aere peutiete z fonate p 
btic modutqt aer extri 11 fecue fractiuo motu fonane peu 
iit aere conalem in aure:? ille etiam efficif pcuffuo z fg 
nae ad fitttudme extenorio.iBeruuo autaudtbilie expa 
fuo in tfmpano aurio tagif ab aere pcuffotfed no De ne 
ceffttate imutaf nifi fim fonti.? boc eff ideo q: fenfuo re/ 
cipit fenfibtleo fpee fine ma.vn cti ma foni fit aer percuf 
fuo fenfuo audit 0 peipit fonti fine aere pcuffo:? tn no al/ 
terat aer pcuffuo nifi agat.? no agat nifi tagauneceffe eff 
gp tagat neruu.^deo Dicedu cp fonuo fm ee futi qb bet i 
ma eff tu aere ? alterat aere.fedfim g> pfideraf ut fpirit 0 
fenfibilio eff in fenfu.2td boc aut qb obijcif g> ee fo* 1 
ni no eff nifi cti motu fractiuo aerie.oicedii cp boc intelli 
gtf oe ee foni qb bet ee ut fpeo in ma z no De ee foni qb 
bet ut fpee fenfibilio in fenfu.{£x Dicttoergo patet vnde 
ptingit g> no percipinXTomi ? no perdpim°aerio motti 
q: I3 in aere duo fint.f.fonue ? mot°:nb tn oe neceflttate 
alterat neruu fenfibtle nifi fim alteni tm.f.fint fotiu3. 
C"Dtrum generatio foni fit nalio uel violenta. 
q “Barto queritur Utru gene 
ratio foni fit nalio uel violetaXt videfqiviole 
taXuiufcucpgnattoniooeooditioneo circuffateo funt 
violete:eiuo gtiatio eff vtolcfa.oee pditioneo giiationio 
foni fut violete.ergo gnatio foni eff violeta.mato: ,pbaf 
q: tale eff vmiqbq3 qles funt pduiones circuffateo ipm. 
ficut enim eff in actu morali q? ex circiiftatyo pfideratur 
na ei°:ita eff etia in actu nalt.minoj^baf per boc cp cir/ 
cuftatie foni fum peutieo ? pcuffu5? aer fractue que oia 
fonat violetia.CEJ 3 te oe qb a Differetijo fpecificio alicui 0 
trabif in fpem eff in giie illi 0 uel puenieo cu na griio.fo/ 
nuo a Differetijo fpectlicio mot°violeti trabif in fpem.er 
go eff oe giie mot° violetiuel puenieo cuna eiue.llM/ 
ma ^baf per boc cp ozie fpecifice no ptrabut in fpem ni 
fi genue qb Diuidut.^ ,pbaf per iductione.qtuo: enim 
funt fpeo mot°violeti ut Dicit in 7 0 pbk,f.pulfuo tract 0 
ueetto ? uertigo.Sonu? eni? qui eff a peutiete ad folidu 
planu eff per motu expulftum.Sonue ^0 qtii eff aligd 
minuountn 0 trabeo aere ficut fit iu fo:tib°fufpirge eff (t 
cut tract°.fonuo aut qui fit iu pcauo ut iu tympano uel II 
ftula‘fit ficut uectio.ecbo aute fit ficut uertigorq: ficut ok 
cit pBuo in i° oe aia q; circiiuoluif ficut fpera.CTJte bcc 
eff o:ia inter loci mutatione nale recta z violeta.q: nalis 
violetio: eff in fine qj in incipio:? violctaecotraut ba/ 
bef iu ^mo oe celo ? mudo.fed fon°eff fo:tio:in p:mck 
pio ? oebtlio: tn fine, ergo videfee a motu vtoleta? ita 
gtiatio eius erit vio!eta.|]J3^ oe qb geueraf ab exterio 
ri imediate nibil influete tibi fim uam illud generaf vio 
leter.fonue ftc generaf ergo violeter.lJMim ,pbatur ex 
boc gp gtiatio nalio p:o tato Dkif nalio gp aligd f fiuit ge 
nerato fim nam.i a 4>baf per boc q> ^mu generao ^rnu 
fonu eff fragee aere:? ponamuo cptllud fit uerberae fo/ 
ltdu planu.boc aut eff ouru:q? nec fo:ma ffialem influit 
aeri uecaccntale:q: fi fubale influeret tuc ffiueret tbzmi 
ligni uel lapidio uel ferrt.qb patet ee talfum.St aut acck 
detale influeret tunc planicie uel ouricie uel aligd buiuf 
modi qb patet ee falfum,C“Sed ptra.oe qb naliter pa/ 
tif ab aliquo ? non nifi ab illo illud eff piidpiu nale acti 
UU5 z mottuu ipfuie.Sudituo naliter pattf a fono.ergo 
fonuo eff nale fmcipiu actiuil ? mottuu tpfiue. j>ma ( pba 
tur ex boc cp fi eet aliqb paffiuu in na qb no beret fuum 
actiuuinnatura:tuceetaIigdo:dinatuad pfecttone alk 
qua in natura qua no poffet babere per nas:? fic eet frit 
ftra? uanu.fruffra aut? uami 110 funt in natura.i a patet 
pfe z$ce daf ulteriuo fic.gcgd coplet potetia palfiua fim 
namtpmeff ree ualie.fouuecoplet auditu qui eff pote 
tia pafliua fim nam.ergo fonuo eff ree nalie.CT3tem fi 
cut alfi fenfuo patiuntur afuio fenfibilibuo naturaliter 
z co:rumpunf ab excellentijo ?oelectanf in p:opoztio/ 
necommenfurata:fimiliter audttuo. ergo ficut alij fen' 
fuo naturaliter immutantur a fuio fenfib tlibus ftc etiam 
audttuo:? fic redit idem quod puuo.CT Solutio Dici/ 
musqi fonuo quidem eff fpecieo naturalio.fpeo aut na' 
