On 10/01/2012 21:51, Richard L. Hess wrote: > Hi, Louis, > > Your wishes are the same as the rest of us...but I'm afraid you'll > have to hold your nose and go out to the outboard Dolby A unit and > then back into digital. > > I wish I were wrong, but Dolby has been pretty insistent that they > don't want to do this. > > Richard > > On 2012-01-10 3:14 PM, Louis Hone wrote: >> Greetings >> >> A client brought me a WAV file which is a direct transfer from a quarter >> inch tape (1980). The tape had a full set of tones (15 K, 10 K, 1K, 100, >> 50, and Dolby A warble tone) and these tones are in the WAV file. The >> original tape was Dolby A encoded and the WAV file has not been >> decoded. I >> know that whoever did the transfer, adjusted the azimuth, as well as >> high >> and low frequency EQ prior to the transfer. However, no Dolby A unit was >> available so the tape remains encoded. My question: is there a Dolby A >> plugin that can be used in ProTools ? I wish to avoid going back to the >> analog domain (and through a Dolby A unit) and back to digital in >> order to >> decode this file. >> >> Thanks >> >> Louis Hone >> > What's the problem with going through analogue? Transparent conversion has been available for some time now, and the vagaries of modelling would be far more likely to cause problems than another stage of conversion.