- 1. LOGOTrng i Hc S Pham TP. H Ch MinhKhoa Cng ngh Thng TinNG
DUNG CAC CNG CU WEB 2.0TRONG DAY HOCAUDACITYGing vin hng dn: ThS. L
c LongSinh Vin Thc hin:V Mnh Cng K37.103.502
2. LOGONi Dung1. Tng quan va xut x2. c im va chc nng3. Li ich va
tin ich4. u im va han ch5. Cai t va hng dn s dung6. ng dung vao day
hoc7. Vi du kich ban minh hoa8. Tai liu tham khao 3. LOGO1. Tng
quan va xut x Tng quan:Audacity lmt phn mm tdo, trnh sa nhcs a nn
tng vng dng ghi m.N c th hot ngtrn Windows, MacOS X, Linux v BSD.
4. LOGO1. Tng quan va xut x Tng quan:Audacity l mt phnmm min ph c
thc s dng ghim ging ni hoc mnhc, hoc chnhsa bi nhc,mthanh pha trn
vcng lm sch ccvn ghi m nhting n xung quanh. 5. anh gia TOP 100 cng
c tt nht 2013LOGO2013 - Jane Hart Quick Guide to top 100 tools 6.
LOGO1. Tng quan va xut xXut x:Audacity c to ra bi Dominic Mazzoni
khi anhang l nghin cu sinh ti i hc CarnegieMellon, bang
Pennsylvania, Hoa K. Mazzoni hinang lm vic ti Google, nhng vn l ngi
phttrin v duy tr chnh ca Audacity, vi s gip ca nhiu ngi khc trn ton
th gii. 7. n 20 thng 10 nm 2009, phn mm ny tngng th 6 v s lt
download trn SourceForge,vi 63 triu lt. Audacity thng gii
CommunityChoice Award nm 2007 v 2009 cho D n dnhcho a phng tin xut
sc nht trn SourceForge.LOGO1. Tng quan va xut x 8. LOGO2. c im va
Chc Nngc im: Nu bn tng s dng mt micro ghi liging ni ca bn bng cch s
dng my tnh,bn c th ghi lun nhng tp m cng vifile m thanh ca bn. May
mn thay, c mt cach khc phc vn ny, v n s khng lm bn tnmt xu vi
Audacity. Audacity l mt phn mm min ph c th c sdng ghi m ging ni hoc
m nhc, hoc chnh sa bi nhc,m thanh pha trn v cng lmsch cac vn ghi m
nh ting n xung quanh. 9. LOGO2. c im va Chc NngCc tnh nng chnh:Thu
m trc tip: Phn mm ny c th thu m trc tip bngmt micro hoc mt b kt hp,
hoc s habn ghi m t cc bng cassette hoc aminidisc. ng thi, i vi mt
vi card mthanh, Audacity c th thu m li tp audiopht trc tip. Thanh
Device Toolbar kim sot nhiu thitb u ra v u vo. Level meters iu chnh
m lng trc,trong v sau qu trnh thu m. 10. LOGO2. c im va Chc NngThu
m qua micro, thit b u vo, thit bUSB/Firewire v mt vi thit b khc.Thu
m trn my tnh chy Windows Vista v cc hiu hnh cao hn bng cch chn host
aWindowsWASAPI trong thanh Device Toolbar sau chnthit b u vo l
loopback.H tr tnh nng Timer Record v Sound ActivatedRecording. 11.
LOGO2. c im va Chc Nng 12. Chn hostWindows WDM-KS v Audio toBuffer
trong Recording Preferences thu m vi tr rt thp i vi cc thit b c
Windows htr.Thu m vi tc ln n 192,000 Hz (ch p dngkhi la chn cng v
host ph hp). Tc 384,000Hz ch tng thch vi cc thit b c phn gii cao(lu
rng host Windows DirectSound ch gii hn200,000 Hz)Thu m vi su 24 bit
trnWindows.Thu m nhiu knh cng lc.LOGO2. c im va Chc Nng 13. LOGO2.
c im va Chc NngXut v nhp tp: Phn mm ny cho php nhp tp m thanh, chnh
sav kt hp vi cc bn thu m khc hoc cc bn mi.ng thi, bn c th xut cc bn
thu di nhiu nhdng tp. Xut v nhp cc tp nh dng WAV, AIFF, AU,FLAC v
Ogg Vorbis Nhp tpWAV hoc AIFF theo yu cu nhanh chng. 14. LOGO2. c
im va Chc Nng Nhp v xut tt c nh dng tp c libsndfileh tr v d nh GSM
6.10, 32-bit v 64-bit floatWAV v U/A-Law. Nhp tp audio MPEG. Nhp tp
audio th bng cch s dng lnh ImportRaw. To tpWAV hoc AIFF c th in ra
a. Xut tp MP3. Nhp v xut cc tp nh dng AC3, M4A/M4R(AAC) v WMA. 15.
LOGO2. c im va Chc NngKim sot cht lng m thanh: H tr m thanh 16 bit,
24 bit, 32 bit. Chuyn i rate v nh dng bng bin i vha m cht lng cao.
T ng chuyn i cng lc hng lot ccbi ht c rate hoc nh dng khc nhau. 16.
LOGO2. c im va Chc Nng 17. LOGO2. c im va Chc NngChnh sa tp: Cc cng
c chnh sa n gin: ct, sao chp, dn vxa. H tr kh nng quay li cc thao
tc trc . Chnh sa v phi hp nhiu bi ht vi nhau. Cho php chy nhiu clip
trong mt bi ht. H tr tnh nng dn nhn cho cc bi ht c Sycn-Lock c chn
lc ng b bi ht v nhn. H tr thanh cng c v thay i cc im ring bit. H tr
thanh cng c Envelope gim hoc tng dnm lng. T ng khi phc sau khi chng
trnh ngng hotng mt cch bt thng. 18. LOGO2. c im va Chc NngKha nng
truy cp:Cc bi ht v b su tp c th c ty chnhbng bn phm.H tr nhiu t hp
phm tt.H tr JAWS, NVDA v cc phn mm c mnhnh khc. 19. LOGO2. c im va
Chc NngHiu ng:Thay i nt cao m khng lm nh hng nnhp bi ht (hoc ngc
li).Loi b cc ting n l trong bi ht.Thay i tn s vi cc hiu ng:
Equalization,Bass v Treble, High/Low Pass v NotchFilter.iu chnh m
lng vi hiung: Compressor, Amplify, Normalize, FadeIn/Fade Out v
Adjustable Fade.Tch ging t cc bi ht stereo ph hp. 20. LOGO2. c im
va Chc Nng 21. LOGO2. c im va Chc Nng 22. LOGO2. c im va Chc NngLng
ting cho podcast hoc cc b DJ bnghiu ng Auto Duck.Cc hiu ng khc:
Echo Paulstretch (extreme stretch) Phaser Reverb Reverse Truncate
Silence WahwahChy chui hiu ng trong nhiu bi ht s dngch Batch
Processing. 23. LOGO2. c im va Chc NngPlug-in:H tr cc plug-in hiung
LADSPA, Nyquist, VST v Audio Unit.Hiu ng vit bng ngn ng lp trnh
Nyquistc th c chnh sa d dng trong phn mmson tho hoc ngi dng c th
vit plug-inca ring mnh. 24. Trnh phn tch:Cc ch xem Spectrogram hin
th tns.Lnh Plot Spectrum phn tch tn s mtcch chi tit.Tnh nng Sample
Data Export xut tp ccha gi tr bin cho mi mu c chn.H tr b sung
plug-in phn tch VAMP.LOGO2. c im va Chc Nng 25. LOGO2. c im va Chc
Nng 26. LOGO2. c im va Chc Nng 27. 2. c im va Chc NngTnh nng mi cp
nht ca Audacity 2.0.6:LOGO- Nng cao tnh nng ghi m- H tr thu m li
ging ni, m thnhca cc bi ht.- H tr ghi m t 16 knh mt lc. 28. Chng
trnh c th lu li nhng m thanhthng qua mt bi pht c pht ra t my tnh,t
a CD hay bt k thit b pht nhc khc.Audacity h tr ghi li m thanh t 16
knh mtlc (vi iu kin cng phi h tr nhiu knhkhc nhau).Cc bn thu m d
dng c chnh sa vi ccthao tc nh Ct/Ghp/Sao chp/Xa. Audacitycho php
thao tc vi 2 chc nng Undo/Redo quay tr li thc hin cc cng vic m
bnkhng va . Cc tp tin m thanh c dung lngln c chnh sa kh
nhanh.LOGO2. c im va Chc Nng 29. Khng gii hn s lng bn thu c trn
ln.Vi vic tch hp cc hiu ng c sn, chngtrnh gip lc b mi ting n, t
ting ci xe,ting cn trng, ting ngi ni chuyn... chnhsa bass, b lc cao
thp, khuch i m thanh..Tc dng b sung c thc hin thng qua
ccplugin.LOGO2. c im va Chc Nng 30. LOGO3. Li ch va tin ch Audacity
la cng cu cho php ghi m li ni hoccc ban nhac. N cho php pha trn cc
mthanh vi nhau, thm hiu ng va chnh sa ccbai ht, cng vi kha nng kh
tap m, mang laim thanh tt hn. Audacity l cng c dng ghi m li ging
nihoc cc bi ht, n loi b nhng ting n xungquanh, khng nhng th, bn cn
c th s dng n pha trn cc m thanh li vi nhau, thm hiu ngv chnh sa cc
bi ht. Cc nh dng m thanhc chng trnh h tr bao gm WAV, FLAC, AIFF,AU,
OGG, Vorbus. 31. LOGO3. Li ch va tin ch Cac file m thanh c s dng
trn cac thitb nghe nhc s c rt nhiu ngun khac nhau.S chc hn s tn ti
nhng file c chtlng khng tt do ting n v tp m khi ghim. Cc file m
thanh c s dng trn cac thitb nghe nhc ca bn c rt nhiu ngun gckhac
nhau, trong s chc hn s c nhngfile c cht lng khng tt do ting n v tpm
khi ghi m. 32. LOGO3. Li ch va tin ch Vi rt nhiu cng c chnh sa m
thanh hin c,tm c mt cng c thch hp cho cng vic cabn tht l phc tp.
Audacity l mt chng trnhm ngun m, c th ghi m, chi nhng m thanhv xut
ra nhng nh dng m thanh thng dng(WAV, AIFF, MP3 v OGG). 33. 3. Li ch
va tin ch Vic chnh sa m thanh s dng cc chc nng ct, saochp v dn (cng
chc nng thao tc li (undo) khnggii hn), trn nhc hoc cung cp nhng hiu
ng mthanh cho bn ghi m ca bn.LOGO Chng trnh cng c chc nng tch hp
snamplitude-envelope editor (cng c chnh sa ng baobin ), ch ti u ha
nh ph v ca s phn tchtn s cho nhng ng dng phn tch m thanh. Nhng hiu
ng tch hp sn bao gm khuch i mtrm, loi b m thanh nhiu v h tr hiu ng
cngngh phng thu m o VST (Virtual Studio Technology).Bn cnh , chc
nng eye-catching l mt b phn tchtt nht gip bn cht li nhng nhp trn
pht ca mton nhc. 34. LOGO3. Li ch va tin chNi chung Audacity c th
:- Thu m li ging ni, m thnh ca cc bi ht.- H tr ghi m t 16 knh mt
lc.- Cung cp cc chc nng Ct/Ghp/Saochp/Xa m thanh.- Chc nng
Undo/Redo.- Lc b tp m.- H tr cc nh dng m thanh WAV, FLAC,AIFF, AU,
OGG, Vorbus. 35. LOGO4. u im va hn chu im: u im ln nht ca Audacity
cho php ti v min ph; Gn nh, giao din n gin nn d dng bin tp mthanh
theo nh cu ca ngi s dng; S lng ln cc b lc v cc hiu ng chnh sa
mthanh; H tr nhiu nh dng m thanh nh WAV, AIFF fileOGG v MP3; Tng
thch vi nhiu h iu hnh hin nay nh MacOSX, Windows, Linux v cc h iu
hnh khc; M ngun m vi s h tr ca cng ng lm vic lintc ci tin chng trnh
36. LOGO4. u im va hn chNhc im: V y l mt chng trnh cha hon chnh nnc
nhiu li cha bit hoc c bit n lmcho chng trnh khng n nh; Giao din
khng c trc quan sinh ng; Khng xut file audio di dng MP3; Khng c tnh
nng chia s; 37. 5. Ci t va hng dn s dngLOGOYu cu h thng ti thiu:o B
x l: li kpo Dung lng RAM: 256 GBo Dung lng cng: 500 MBo phn gii mn
hnh: 1024x768o Card m thanh tng thch vi Windowso Microsoft .NET
4.0o Microsoft DirectX 9.0 hoc sau 38. 5. Ci t va hng dn s
dngLOGOHng dn ti chng trnh- Bc 1. Ti chng trnh Audacity 2.0.6
(18,4MB)
website:http://taimienphi.vn/download-audacity-853#idallver- Bc 2.
Ti v Ci plug-in LAME MP3 encoder
(http://www.mediafire.com/?2bc4usttmmwun28) xut ra tp tinnh dng
MP3.- Bc 3. Ti v Ci plug-in FFmpeg import/export library vt liu
trnthch cao (http://www.mediafire.com/?sjt6am296v36pdy ): nhp vxut
nh dng m thanh khc nh: AC3, AMR(NB), M4A v WMA, vnhp m thanh t tp
tin video.Hng dn Ci t Audacity:-Trong hp thoi Audacity First Run
xut hin sau khi khi ng lnu, nhp vo hp bn phi trng Choose Language
for Audacity touse, cun chut xung cui danh sch v chn Vietnamese
chngiao din ting Vit. Nu thy hp thoi Confirm hin ra sau , bmYes xc
nhn, bm tip nt OK trn hp thoi cho mng nvi giao din Audacity 39. 5.
Ci t va hng dn s dngCc bn c th xem video ci t ngay ti y
:https://www.youtube.com/watch?v=_J34_Uc4ptgHoc c th xem cc hnh nh
sau y c thci t v s dng audacity ghi mLOGO 40. 5. Ci t va hng dn s
dngLOGO 41. 5. Ci t va hng dn s dngLOGO 42. 5. Ci t va hng dn s
dngLOGO 43. 5. Ci t va hng dn s dngLOGO 44. 5. Ci t va hng dn s
dngLOGO 45. 5. Ci t va hng dn s dngLOGO 46. 5. Ci t va hng dn s
dngLOGO 47. 5. Ci t va hng dn s dngLOGO 48. 5. Ci t va hng dn s
dngLOGO 49. 5. Ci t va hng dn s dng- chuyn t ting Vit sangting Anh,
bn vo menu ChnhSa > Preferences, chn th Giaodin trong hp thoi m
ra, nhpvo hp Language khung bnphi v chn English thay choVietnamese,
bm OK thay i.Lu :- Trong khi Sony SoundForge hinth cc file nhc chn
m cng lctrn tng th trong mt ca sduy nht, Audacity a cc filenhc m
cng lc vo tng ca sring bit.LOGO 50. 5. Ci t va hng dn s dngLOGOXem
Video hng dn s dng trc tip hoc thng qua ng link
sauhttp://www.youtube.com/watch?v=3TyF_vukSVY. 51. 5. Ci t va hng
dn s dngLOGO1.Lm quen vigiao din: giao din mcnh, bn s nhnthy 3 khu
vc khcnhau:1. Phn ghi m.1. Phn chnh sa.1. Phn ni dung. 52. 5. Ci t
va hng dn s dngLOGO 53. 5. Ci t va hng dn s dngLOGO 54. 5. Ci t va
hng dn s dngLOGO 55. 5. Ci t va hng dn s dngMixer ToolbarLOGO 56.
5. Ci t va hng dn s dng- Mt khim khuyt ca Audacity: khng h tr chn
nhanhcc lnh thng qua menu chut phi, m phi chn t ccmenu lnh nm pha
trn hoc dng t hp phm nng- Nu c nhu cu chuyn giao din Audacity t
ting Vitsang ting Anh, bn vo menu Chnh Sa > Preferences,chn th
Giao din trong hp thoi m ra, nhp vo hpLanguage khung bn phi v chn
English thay choVietnamese. Xong, bm OK thay i.LOGO 57. 5. Ci t va
hng dn s dngLOGO2.Audacity h tr nh dngtp tin no?Hin ti, Audacity h
tr cho 6 nh dng m thanh AIFF, FLAC,MP3, OGG, WAV, v AU (nh dg ring
ca Audacity). i vinhng nh dng cn li, bn cn phi s dng n ng dngbn th
3 i ui m thanh mi c th s dng trnAudacity. 58. 5. Ci t va hng dn s
dngLOGO3.M file m thanh :- Vo menu File -> Open (hoc nhn Ctrl +
O) v tm chn file nhccn x l. Sau khi np xong, biu dng sng ca file
nhc s xuthin gia mn hnh. bn trn, t tri sang phi s c cc biutng
Pause, Play, Stop, Skip to End, Skip to Start, v nt Record. 59. 5.
Ci t va hng dn s dngLOGO4.Pht v thu m: Cc nt iu khin c bn :Cch n
gin nht iu khin vic pht v thum l s dng thanh cng c iu khin
ControlToolbar. 60. 5. Ci t va hng dn s dngLOGO 61. 5. Ci t va hng
dn s dng5.Cc phm tt cho thanh cng c Control CoolbarDi y l phm tt
cho cc nt trn thanh cng cControl Toolbar:LOGO Du cch : nt Play hoc
Stop L hoc Shift+phm cch : nt Loop R : nt Record P : nt Pause Home
: nt Skip to Start End : nt Skip to End 62. 5. Ci t va hng dn s
dngLOGO6.Vng ang pht :- Trn thanh thc k c 2 mi tn nh du vng angc
pht. Vng pht trong hnh di l t giy th 15 tigiy th 45. Khi bn nhn nt
Play, mt hnh tam gic xanhxut hin ti v tr ang c pht li (trong hnh l
giy th25).Bn c th bm v r chuttrn thanh thc k tovng pht m khng nhhng
ti vng chn ang c 63. 5. Ci t va hng dn s dngLOGO7.Cc lnh t bit pht
li bng bnphm:C 3 lnh nhp vo t bn phm cho php bn pht li mt vigiy m
khng thay i vng chn ang c. Chng thc shu ch trong khi bn x l m
thanh, nh khi bn c tm ra vtr chnh xc ct hay dn mt on m thanh.1 :
Pht li mt giyB : Pht ti b vng chnC : Pht nghe th trc khi ct 64. 5.
Ci t va hng dn s dng8.Thu phngS dng cc lnh trong trnh n View: Trong
trnh n View cmt s lnh nm ngay trn u dng thu phng:LOGO 65. 5. Ci t
va hng dn s dngBn c th iu khin chnh xc mc thu phng bng cngc Zoom nm
trong thanh cng c Tools Toolbar (hnh knhlp) phng to, bn bm chut tri
vo trong di m. thu nh, bn c th gi Shift khi bm chut tri, hoc chcn
bm chut phi vo di. V tr bn bm chut s ct gia ca s khi thay i mc thu
phng.LOGO 66. 5. Ci t va hng dn s dngLOGO9.Chnh sa: Ct, Dn, Sao
chp...: 67. 5. Ci t va hng dn s dngLOGO 68. 5. Ci t va hng dn s
dngLOGO 69. LOGO6. ng dng vo dy hcS dng Audacity to cac video hngdn
demo cho hc sinh trong cac bi thchnh giup tit kim thi gianTo cac ti
liu hc tp di dng mthanh t AudacityTo bi ging bng m thanh i vi caclp
hc b m hay cc lp hc t xa viAudacity 70. LOGO7. V d kch bn dy hcChng
I , Lp 10 Tin hc Bi 1: Tin hcl mt ngnh khoa hcHot ng1:Cho hc sinh
nghe mt viting chung in thoi ,gii thiu cho hcsinh bit Tin hc c th
to ra nhng miu cng ngh cao cng nh n l mtkhoa hc v i 71. LOGO8. T
liu tham kho1. Bi
vit:http://www.yac.mx/vi/pc-tech-tips/audio/how-use-audacity.html;2.
Camtasia, Wikipedia,
29-06-2014,http://wiki.audacityteam.org/wiki/Vietnamese_Tutorials;
72. LOGO8. T liu tham kho3. Camtasia, Slideshare, 10/20143.
Audacity youtube:http://www.youtube.com/watch?v=3TyF_vukSVY; 73.
LOGO
