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IASA TC04 Guidelines on the Production and Preservation of Digital Audio Objects available online.

Filed under: archival practices,cassettes,computer/data,digital,education,history,reels,Tape Aging — 2010-10-08 by Richard L. Hess — Last Edit 2010-10-08 by Richard L. Hess

The International Association of Sound and Audiovisual Archives (IASA) has released their landmark Guidelines on the Production and Preservation of Digital Audio Objects as a free web (HTML) edition, available here.

I provided some information for the listing of tape equalizations, and I find the compiled table (here) most useful.

Thanks to Kevin Bradley and the IASA team for their work in making this available. If you want a PDF copy, join IASA and it’s available.


Cassette equalization redo

Filed under: cassettes,history,Tape Aging — Richard L. Hess — Last Edit 2010-10-08 by Richard L. Hess

There has been much discussion on some web fora about the differences between different brands’ cassette equalization standards.

As I stated here in 2006, there is a 4 dB ambiguity at 16 kHz.

Many things conspire to make this 4 dB ambiguity essentially meaningless in a generally low-fi medium. The only reason I’m mentioning this now is that I’ve been bombarded with email from more than one participant in this discussion and apparently there may be some editorial judgment attached to what is posted.

Jay McKnight has graciously permitted my posting of his comments to me: (more…)



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