16-bit color depth SVG output?

Bon día to you all,
I have a very dumb question... How do I output 16-bit SVG files from Illustrator?
I've been working with Illustrator for what has seemed an eternity but have never ventured into the realm of SVG. Now I have found myself with the need to do some test files for a customer and they are requesting to see 16-bit SVG output. We have been doing files for this customer but up until now these have been 8-bit JPG output from EPS originals (using the save for web feature).
I did my homework and searched through the Adobe forums (and other web sources) but couldn't find much information on this topic. If anyone has a suggestion, a link or anything that sheds any light over my head on this matter I will forever be greatful.
Thanks and have a great day.
Ciao,
H. Babilonia

Then open and rasterize in Photoshop, where you can specify both the resolution and bit depth.
Jeffery, It seems like that should work, but if you look closely at the histograms it doesn't look like you get 16-bits of gray levels. Here's a black to white blend exported to PDF/X-4 and opened as 8 and 16 bit CMYK. The black channel histograms are the same:
If there were more than 256 levels of gray in the 16-bit version I should be able to make a correction without gaps showing in the histogram, but that doesn't happen:
If I make the black channel blend in Photoshop I can make the same correction without gaps:

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Then open and rasterize in Photoshop, where you can specify both the resolution and bit depth.
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Camelot wrote:
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https://dl.dropboxusercontent.com/u/106834366/Redux%20Vidz.aep
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