Phase
Three - Modify Digital Voice
Once the program opens choose File, New and select a MP3 file,
for example. Ctrl+N may also be used to open a new file. Import
Audio may also be used by choosing Project from the Menu and
then Import, the shortcut is Ctrl+I. Audacity imports WAV,
AIFF, IRCAM, MP3, and OGG VORBIS formats. The track will appear
in the lower window. Play the track by clicking on the Play
Button.
Save
a Project
Once the file is open save the project with a project name.
Notice that Audacity will always save to a new name, in fact
there is no option to “Save” until a new file is
saved so that the original file is not damaged. Save this
first file as project2.aup. The .aup extension is so that
Audacity can open the project again and edit the tracks. If
the project was actually complete then it would be important
to export the file as WAV, MP3 or OGG VORBIS depending upon
how it was to be used. Other media cannot read the .aup file
that Audacity uses, therefore it must be exported. All
of the data that is created by editing the track will be saved
in the projectname_data directory. To continue editing on
a project open the project by choosing File, Open on the Menu
Bar and browsing for the project. Once the project has been
saved the Ctrl+S may be used to save from the keyboard.
Voice
Music Project
This project will combine the skills learned so far. Open
a project with both a person speaking and a music track. The
goal will be to create a project where the music starts loud
and fades as the speaker begins. The music track used is short
so the copy and paste method was used to duplicate that sound
throughout the speaker's audio portion. The upper track is
the music and the lower track is voice.
Once
the audio track is copied then the Envelope Tool was used
to reduce the sound while the speaker is audible. In addition,
the finished track will start with just music and as it fades
the speaker will begin to speak as seen in the example. In
fact, the music will fade completely out soon after the speaker
begins. The speaker's track was moved with the Time-Shift
Tool.
Once
the project has been modified and saved as a project, so it
can be edited later if necessary, then export the file
into the format that required. In the example it was exported
as a WAV file. Note that when the file is exported the
two tracks that were being editing will be combined into one
track, a message to that effect will show on the screen.
This
saved file then can be inserted into the Impress Slide.
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