Sound 101 Workshop

Digital Audio Extraction

David Grasmick http://www.csupomona.edu/~dmgrasmick/sound Digital Audio Extraction using Quicktime

· Insert CD · Launch Quicktime Player or Quicktime Move Player (use Sherlock under the if needed, to find it) · Pull down file menu to open movie · In resulting window select Audio CD 1 and open button or double click Audio CD 1

· Click desired track and then the convert button · Click options

· Click play button to determine the exact portion of the track you wish to extract · You may move sliding timer at any time during playback to refine your listening area · Click and drag sliding start and stop squares to the exact section needed and do a final listening to make sure selected portion of track is what you desire to extract · Select sampling rate of 44.1 kHz for CD quality (is also necessary for any audio you wish to burn on a CD) · Select bit resolution, 16 bit needed for , 8 bit OK for voice · Select number of tracks desired. · Click OK

· Select a title for your extraction and add .aiff as an to the name you have selected in “Save converted file as” area · Go back to top of window and select pull down Audio CD to save file where you wish on your hard drive (a good place is your desktop) · Select Save · Select (click) the new file on your desktop and the command and I key to determine the size of your new file. · You have now successfully extracted audio from a CD Congratulations · If you have more time repeat this procedure with different settings (mono instead of stereo, 22kKz instead of 44, 8 bit instead of 16) to make your file smaller · Listen to the results to compare the quality.

With QuickTime Pro you can import your new file and export in 8 different file formats.