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Digitizing Audio- Using SoundEdit
http://www.arhu.umd.edu/technology/workshops/mmpublishing/dva-audiohowtosoundedit.html
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Setting Up
• Make sure your microphone is attached and input is working.

• 1. Control Menu/  Sound
• 2. Input : Sound In, check input.

Digitizing Audio from Microphone

• Launch SoundEdit
• File Menu > Preferences > Document tab
• Sample Size: 16bit
• Compression: None
• Sample Rate: 44
• Check stereo if needed.
• Click the record button, then talk in the microphone. When you have finished recording, click Stop.
• Play the sound by clicking Play in the Controls window.
• Save the Sound Edit Project (File Menu/ Save).
• Experiment with selection portions of your recording, copy/paste, cut/paste, apply filters from the effects menu.
• Save Project for future editing, Save as WAV, AIFF or MP3.


Mixing background music with a voiceover: SoundEdit makes it very easy to mix two different sounds together.

 
• Record your voice over.
• File Menu > Import music-loop.aiff
• Select the music track, Filter, Amplify, -5 to lesson volume.
• Listen to your sound using the Play button. Audacity automatically mixes them together.
• Modify Menu > Track Offset to adjust the position of one track or the other until they're synchronized the way you want them.
• If you hear clipping which wasn't present in either of the original files, it means that the combined volume of the two tracks is too loud. Select one or both of the tracks and then use the Amplify... effect to reduce the volumes until you don't hear clipping anymore.
• Export as a WAV or MP3 file.
• Track1Movie.mp3

 

Processing and Editing a Quicktime Soundtrack
Open a QuickTime Movie
File Menu/ Open, Choose Movies from the Show pop-up menu.Select a movie to open.
Press spacebar to play the movie.
Click the audio track name (it might be "untitled), click edit.
File Menu/ Import to add sound file in a new track.
Insert Menu/ Track to add a new blank track into which sound can be recorded or pasted.
(Note: When you close this window, SoundEdit mixes all tracks to a single track. Just leave window open, save file and review changes in the Quicktime window.)

To listen to all the sound tracks at once: type command+a to select all tracks, then press the spacebar.
Hold down the option key to get the hand to move the position of the tracks.
 
 

Transferring Sound files from CD-ROM-Mac
Insert CD-ROM and launch Movie Player
File Menu/ Import Select desired track, select convert button.
Select options button. Try settings at 11khz, 8 bit, mono. Adjust starting and ending points by dragging beginning and ending squares.
Click OK button.
Select destination for saving file, then save.
 

Problems?
Can't hear the sound?
Quit Sound application.
Go to the Apple Menu/ Control Panel/ Monitors and Sounds, Sound Monitoring Source, select appropriately (Sound in, CD, etc.)

Can't access Recording Options from SoundEdit?
I have never been able to access that option; just quit and follow steps above.
 
 
DigitalMediaWorkshopSeries,CollegeofARHU,University of Maryland
chays@deans.umd.edu

 

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