Standards and Practices
Standards - ISP-TAPE
The ADAT is also a very economical, portable unit. For these reasons, ADAT quickly became the defacto-standard for laser show recording and playback after its introduction in 1992.
There are several ADAT models available from both Alesis and Fostex. The original Alesis ADAT, introduced in 1992, has a black front. This was discontinued in 1996 in favor of the newer Alesis ADAT xt. The Fostex RD-8 is similar to the original Alesis ADAT, but has some additional capabilities. Fostex also makes a model CX-8 which is identical to the Alesis ADAT xt.
You can purchase specially modified ADATs which are capable of recording laser graphics and DMX-512 control signals from several ILDA members. Alternatively, you can purchase an unmodified unit and perform the modification yourself.
The modification for the original Alesis ADAT and Fostex RD-8 is covered by the “ADAT DC Coupling Modifications for Laser Graphic Recording”, Revision 002, October 1995, in the ILDA Handbook and Technical Specifications.
The modification for the newer Alesis ADAT xt, or Fostex CX-8 are not covered by ILDA documents, but this modification is available commercially through several ILDA members.
NOTE: Signals should be recorded for full modulation using a test pattern such as a white full-screen grid. Signals should be recorded for front projection.
ADAT Track Assignments
The ILDA Standard Track Assignments for ADAT recording is:
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