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Topic: New simple, good sounding multiband compressor available. (Read 2534 times) previous topic - next topic
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Re: New simple, good sounding multiband compressor available.

Reply #25
Hello John,

I hope your dolby decoder comes along fine!

You haven't had the time to look into "my project" yet, have you?

Cheers!

Re: New simple, good sounding multiband compressor available.

Reply #26
Hello John,

I hope your dolby decoder comes along fine!

You haven't had the time to look into "my project" yet, have you?

Cheers!

I am totally overloaded on the DolbyA compatible decoder project. Hopefully, the DolbyA compatible decoder program is really starting to be able to satisfy the most critical users, so the pressure might be diminishing a little. might be slowing down in a few weeks.

I have recently been doing some serious rework, where the very advanced 'super RMS' detector (RMS measurement, but lower ripple) didn't emulate HW behavior adequately to reliably properly decode DolbyA encoded material.  I finally gave-up (on my detector which is really good for normal compressors/expanders) and did a precision implementation of the REAL HW detector and nonlinear characteristics (lots of diode equation type stuff), and am now getting robust results.  The emulation is so very precise now, that there is a different mode for the old 301A style DolbyA (the follow-on DolbyAs like the cat22 do act differently from the original 301A), and the results have been stellar (but this breakthrough just happened in the last two days.)

Previously, the decoder was good enough for listeners (really nice in some ways), but didn't emulate the decoding precisely enough for serious recording engineers.   The advanced features still persist (the anti-distortion stuff), but now the front-end emulation is so pristine (becuase the 'diodes' that I am using are perfect, and the design is very clean -- my capacitors in my software are very, very good :-)), that the anti-IMD operations are less critical for providing superior results.

This stuff is 'no-joke' when it comes to tedium and in-some-ways complexity (not really complex, but when starting from scratch, it is not easy.)

With this comment -- trying to explain why I have cannot allow myself to be distracted -- I am intellectually/mentally and emotionally exhausted, yet there is still significant work needed for the decoder (GUI interface for a seperate GUI program -- avoids license encumberances) , and some other things.

I like to do compressors/expanders (I actually prefer intelligent expanders), but I have made promises to deliver great results on the decoder), and it has only been extreme concentration that has helped make as much progress as I have on the project (and sometimes, I know that I haven't done good enough.)

I WILL take a look at making the compressor more flexible when I have time!!! I really want to look at it -- I have some really good ideas for exceptional quality (probably cannot divulge the more advanced stuff from the decoder project, but still have some potentially helpful technology for when I can work on it.)

john

 
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