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Efficient Editing of Digital Sound on Disk

Most professional applications of digital audio require a large number of channels to be available, but do not require extensive editing of the timing relationships among the channels. For these applications, digital tape technology is an appropriate medium. for other applications, however, more flexibility is needed; in particular, time shifting among channels is essential. Film sound editing and mixing is an important example of this type of application. A method is described whereby these needs can be efficiently served by standard computer disk technology. This method is quite counterintuitive since it uses scattered allocation techniques for the digital data, yet manages to attain approximately 80% of the theoretical maximum bandwidth of the disk in real-time playback.


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