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The Digital Audio Tape History
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RIAA proposed a copy protection system for DAT recorders
Serial Copy Management System
In 1987, a member of the RIAA proposed a system where DAT recorders would have copy protection in them. The copy protection would look for the presence of frequencies in a particular high-frequency band; if there was no audio present in this band, the recorder would assume that the music in question was copy protected, and would not allow recording of the music. The record companies would then -
Sony DTC-55ES / DTC-75ES / DTC-700
Sony DTC-55ES
First DAT Recoder with SCMS system
The Models 75ES and 700 were lated (after the Audio Home Recording Act) sold in the US. (and Canada) -
US - Audio Home Recording Act
Audio Home Recording Act - Wiki
All Digital recording devices sold in the US must have the SCMS system installed
