Cakewalk - SONAR X3 Documentation

Editing audio ► Digital audio fundamentals ► Audio clips

Audio clips

If you have read Digital audio fundamentals, you should have a good idea of what is contained in a SONAR audio clip. An audio clip contains a long series of numbers, or samples, representing the fluctuating amplitude of a waveform. Audio clips are typically quite large, hundreds of kilobytes to many megabytes in size. By comparison, a MIDI event takes only a few bytes to store.

The Track view lets you see your audio waveforms in great detail; you can zoom in until you see the individual samples.

You should also now be aware of some things to watch out for when editing your audio data. First, if you cut audio clips apart or splice them together, you should do so at zero-crossings in the waveform (places where the amplitude is zero), in order to avoid sudden changes in amplitude that may cause clicks and pops. Second, you should beware of clipping. Clipping of the audio waveform can occur if you record a signal at too high a record level, or if you apply audio processing or effects that increase the waveform amplitude too much. If you accidentally cause the waveform to clip, you should undo the command and try again with different parameters.

Clipping can also occur in other situations, for example, if you try to play or mix several loud audio tracks together, the aggregate signal strength may at times exceed the clipping limit, and the output signal will be distorted. To correct the problem, you can create a volume envelope to reduce the level in loud audio clips or reduce the track volume in the Console or Track views.

See:

Digital audio fundamentals

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