1. TRNG I HC S PHM TPHCMKHOA CNG NGH THNG TINTM HIU AUDACITYGVHD: TS. L c LongSVTH: Trn Th Cm Tuyt(K37.103.088)Lp: SP Tin 410/12/2014 Moodle 2.7 1

2. Sn Phm trnh chiu 3. Ni dung trnh by1 Gii thiu v Audacity2 c im, chc nng Hng dn s dng3 Tnh nng ca Audacity4 Cch chnh sa cc file trong Audacity5 u nhc im ca Audacity 4. 1. Gii thiu v Audacity 5. 1.1. Gii thiu tng quanL chng trnh x l m thanh. c to bi Dominic Mazzoni khi anh angl nghin cu sinh ti i hc CarnegieMellon, bang Pennsylvania, Hoa K.Phin bn pht hnh mi nht l 2.0.6,pht hnh ngy 29 thng 9 nm 2014.[1]Audacity c nh gi nm trong top 100phn mm dnh cho dy hc hay nht caJane Hart [2]. 6. 1.2. Ci t 7. 1.3. Cc thanh cng c Audacity 8. 1.3.1. Tool toolbarGm cc nt lnh:Select, Envelope,Draw, Zoom, TimeShift, Multi 9. 1.3.2. The Control ToolbarGm cc nt lnh: Play, Record, Stop,Pause, Skip to Start, Skip to End 10. 1.3.3. Edit Toolbar 11. 1.3.4. Mixer Toolbar Nhng con trt iu chnh cc thit lp cho btrn ca card m thanh trong h thng. Con trt s nhy v khng (v tr ngoi cngbn tri) nu trnh iu khin khng thc hincc chc nng. 12. 1.3.4. Mixer Toolbar Meter Toolbar Selection Bar 13. 2. c im chc nng, hng dn s dng 14. 2.1. Lm quen vi giao din giao din mcnh, bn s nhnthy 3 khu vckhc nhau:1. Phn ghi m.2. Phn chnh sa.3. Phn ni dung. 15. 2.2. Audacity h tr nh dng tp tin no? Audacity h trcho 6 nhdng m thanhAIFF, FLAC,MP3, OGG,WAV (nhdng ringca Audacity). 16. 2.3. M file m thanh Vo menu File -> Open (hoc nhn Ctrl +O) v tm chn file nhc cn x l. Sau khinp xong, biu dng sng ca file nhcs xut hin gia mn hnh. bn trn,t tri sang phi s c cc biu tngPause, Play, Stop, Skip to End, Skip toStart, v nt Record. 17. 2.4. Pht v thu m 18. 2.5. Hy bc v lm li nhng thao tc lm 19. 3. Tnh nng ca AudacityThu mChnh saHiu ngCht lng m thanhPhn tchT do v a nn tngLoi b ting n bngAudacity 20. 4. Cch chnh sa file m thanh chnh sa m thanh ta thc hin 11 bcsau, cc bn quan st hnh nh. 21. 5. u Nhc imu im: Cho php ti v min ph; Gn nh, giao din n gin H tr nhiu nh dng m thanh nh WAV,AIFF file OGG v MP3; Tng thch vi nhiu h iu hnh M ngun m vi s h tr ca cng nglm vic lin tc ci tin chng trnh 22. 5. u Nhc imNhc im: V y l mt chng trnh cha honchnh nn c nhiu li cha bit hoc c bit n lm cho chng trnhkhng n nh; Giao din khng c trc quan sinhng; Khng c tnh nng chia s;