Tape Trail

Reel to reel, cassette and other analogue tape formats.

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RE: Dynamic expander

Posted by Inmate51 on July 7, 2017 at 08:04:23:
What is your goal? I.e., what would you want to accomplish? Make the quiet stuff/noise quieter? Make the medium/louder parts louder?
The (now) vintage Valley People "Kepex" could do all that. Presumably, PMI Audio has resurrected Valley People and is working on a "Kepex II". I don't know what the status is or if it'll ever get off the ground. There are, of course, several other products currently on the market, both hardware and software. The important question remains: What would you want to accomplish?
Also, you might want to post your message in the General forum, where you might get more replies. I know your intention is to apply the component to a R-R tape system, but the question/topic of dynamic expansion is applicable to many other situations as well.
Add-on: I don't know how many people here would be familiar with signal processing, so I'll just say that you might consider posting on tapeheads.net and/or diyaudio.com, where a number of pros post.
:)