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8. Click on the OK button to close the dialog box. The CD is then ejected. The messages shown can either be saved, printed or discarded. Close the window by clicking on the Discard or Close buttons. 9. You can now check what has been written on your CD by reinserting the CD and clicking on the CD-Info icon. See also: Copying using an image file Verifying audio read quality Setting speed on CD/DVD-ROM drives 8.3 Verifying audio read quality Audio data from CDs is read digitally for the purpose of saving audio tracks to hard disk and copying CDs. Yes, you did read that correctly - digitally. All CD/DVD-ROM drives can play audio CDs in analogue format (i.e. through head sets or sound card) but not all can read audio data digitally and even then only a few of these drives produce good quality audio reading. So: the digital extraction of audio data is essentially different from simply playing an audio CD. In practice the quality of the digitally read audio data is never going to be satisfactory. For example sometimes there are "jumps" in the audio data which are noticeable as unpleasant clicking noises when playing a saved audio file or listening to a copy CD. The amount of such defects in the audio data is heavily dependent on the type and make of the CD/DVD-ROM drive. Before extracting audio data or copying CDs each owner of a CD ROM should be aware of how good the audio read quality of his own CD/DVD-ROM drive is. Armed with this knowledge unusable CD copies can be avoided by selecting better copy options. To diagnose your CD-ROM proceed as follows: 1. First of all please check to see whether your CD/DVD-ROM drive is already supported by Nero. Look up whether the command Autodetect CD ROM is available on the Extras menu. If so run through the CD/DVD-ROM autodetect first of all (see Section 'Autodetection of CD/DVD-ROM drives'). If the command is highlighted in gray and therefore cannot be activated the installed CD/DVD-ROM drive has been detected. 2. Now insert the Nero CD into the CD/DVD-ROM drive. If this starts the installation of Nero cancel this as Nero has already been installed. 3. Choose the command Save Track from the Recorder menu and select your CD/DVD-ROM drive as the source drive. Select the second track (and/or the first audio track) and save as a wave file on your hard disk. 4. Now from the File menu find the New command for a new audio compilation and then drag the wave file extracted in Stage 3 into the audio compilation. 5. Double click on the track of the audio compilation corresponding to the wave file. 6. Click on the tab Indices, Limits, Split. You will see a colored rectangle. Zoom several times into the graphical view of the audio file by clicking on the Nero Copying CDs • 95