1. AUDACITY : BASIC INFORMATIONS Audacity is an Open Source software invented by Dominic Mazzoni (He worked as a software engineer at the NASA and Google.) This software is available on : Windows XP (1.2), Vista and 7 (1.3) Mac OS X : Intel (1.2.5), PPC (1.2.6) Linux/Unix (code source)

2. AUDACITY : INTERFACE

3. AUDACITY : HOW IT WORKS 1.Skip to start 2.Play 3.Record (From your microphone) 4.Pause 5.Stop 6.Skip to end

4. AUDACITY : HOW IT WORKS The selection tool Useful for editing. Just click on the time line to bring the cursor where you wan it. Keep the left button of your mouse and move to select the part you want.

5. AUDACITY : HOW IT WORKS The envelope tool Use it to edit the wave intensity. This is one of the best tool to make a fade-in or a fade-out.

6. AUDACITY : HOW IT WORKS The time shift tool Allow you to move the audio track fromthe left to the right or vice-versa.

7. AUDACITY : HOW IT WORKS Audio Gain Ajust the audio volume. Audio Pan Ajust the stereophonic spread. Often used to create depth effects.

8. AUDACITY : HOW IT WORKS Edit Menu When you select a part of your audio track, you can edit : cut; copy; past; delete; trim Or also put a silence on its position.

9. AUDACITY : HOW IT WORKS Audio Effects Example : Change pitch : Change your voice into chipmunk; Noise Removal : Remove constant background noise. Like humming from bad recording; Amplify : Like the audio gain menu; Click Remove : Try to remove isolated noise. Like glitchs from vinyl records; The NyQuist prompt let you create any effect you want by yourself.

10. AUDACITY : HOW IT WORKS Multitracking You can add more than one track to your Audacity project and output these tracks in one audio clip. To import an audio file in your project, choose Import Audio… option in the Project menu. If no track is selected when you past audio data, it will create a new track especially for it.

11. AUDACITY : HOW IT WORKS Exporting a file To export your project, go to File / Export As WAVE or File / Export As MP3 MP3 encoding AUDACITY needs a specific DLL File to export audio in mp3 codec. This file is : lame_enc.dll You can download it at : www.dll-files.com/dllindex/dll-files.shtml?lame_enc www.dll-files.com/dllindex/dll-files.shtml?lame_enc Or www.fichier-dll.fr/lame-enc.dll,1817www.fichier-dll.fr/lame-enc.dll,1817