http://ambisonic.info/info/ricardo/shelfs.html
This is now only of historical interest. My latest thinking on Shelf Filters
is encapsulated in BLaH3 "Is my decoder Ambisonic?" where Aaron's clarity puts
me to shame and explains why I'm still a beach bum.
The only useful info there which isn't
Now, if someone has thoughts on shelf filters for higher orders...there is some stuff in Daniel's
PhD thesis, but...
On 15/12/2011 19:19, Richard Lee wrote:
http://ambisonic.info/info/ricardo/shelfs.html
This is now only of historical interest. My latest thinking on Shelf Filters is
encapsul
On Thu, Dec 15, 2011 at 07:19:40PM -, Richard Lee wrote:
> Fig 3.3 shows them in the form that Ambdec uses; matched gain at LF.
>
> So 'order gain' at LF is 1.0 for both.
>
> At HF, 'order gain' is
>
> 3.7dB for W
> and
> -2.1dB for X & Y
So what this amounts to is that for normal B-form
> The actual shelf gains (the difference between LF and HF gain for any
> component) don't tell the real story. Changing the LF or HF gain for all
> components by the same amount doesn't modify the decoding, it just results in
> some EQ.
Du...uh! I stand corrected. Shelf filters change the ra
