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Author Topic: dbx Type I expander modeling  (Read 1974 times)

GYMusic

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dbx Type I expander modeling
« on: November 05, 2011, 11:51:12 am »

Has anyone here had any luck trying to model dbx type I encoding using ITB plugs?  I'm prepared to experiment with it unless someone has already spent the time and had no good results.

TNX

JohnBaldwin

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Re: dbx Type I expander modeling
« Reply #1 on: November 06, 2011, 04:11:28 am »

I gave this a solid try, but ended up just buying a dbx hardware unit.

There wasn't any combination of expanders and EQ that came anywhere near the sound of the hardware unit - found it very inexpensively on eBay.

Good luck!
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John Baldwin
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Thomas W. Bethel

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Re: dbx Type I expander modeling
« Reply #2 on: November 06, 2011, 06:19:30 am »

I gave this a solid try, but ended up just buying a dbx hardware unit.

There wasn't any combination of expanders and EQ that came anywhere near the sound of the hardware unit - found it very inexpensively on eBay.

Good luck!

^^^^^^ Same here. I found a dbx type one for $99 at my local GC. The salesman did not even know what it was.
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Thomas W. Bethel
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John Roberts {JR}

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Re: dbx Type I expander modeling
« Reply #3 on: November 06, 2011, 01:05:04 pm »

why?

I'm not sure about the type I distinction but as I recall dbx tape NR encoding was a full range 2:1 compressor with 12 dB of HF pre-emphasis (starting at 500 Hz, ending at 2k).

You will want to match the att/release times of the compression to get this very accurate. I'm not sure the RMS vs average detection is as big of deal as their marketing tried to make it.

JR



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