15 Digital audio tape (DAT) format
Although digital audio processors have been developed and used for many years, using conventional video recorders to store high-quality audio information, it is inevitable that some form of tape mechanism be required to do the job in a more compact way. Two main formats have been specified.
The first format, known as rotary-head, digital audio tape (R-DAT), is based on the same rotary-head principle as a video recorder, and so has the same limitations in portability. The second format, known as stationary-head, digital audio tape (S-DAT), was developed under the name DCC, mentioned in the short history chapter.
R-DAT
One important difference between standard video recorder and R-DAT techniques is that in a video ...
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