The phase shift test from my previous mail expresses quadrature
transformer output as normalized instantaneous frequencies (cycles).
Depending on frequency (within the working range), deviation can be up
to 1/100 of a cycle both for [olli~] and Pd's [hilbert~]. Of those
two, [hilbert~] may even be
Not sure. I've used csound's a lot in ambisonic decoding and it's always
worked well.
On Thu, Jun 23, 2016 at 6:06 PM, Alexandre Torres Porres
wrote:
> olli's seems easier for me to code, and better than csound's huh?
>
> thanks
>
> 2016-06-23 11:27 GMT-03:00 Matt Barber
olli's seems easier for me to code, and better than csound's huh?
thanks
2016-06-23 11:27 GMT-03:00 Matt Barber :
> csound's hilbert transform is also 6th-order. Code here:
>
>
> https://github.com/csound/csound/blob/2ec0073f4bb55253018689a19dd88a432ea6da46/Opcodes/ugsc.c
>
Hi, Olli Niemitalou has coefficients published for a higher order
'hilbert transformer' on http://yehar.com/blog/, attached is [olli~]
abstraction based on it.
Katja
On Wed, Jun 22, 2016 at 4:37 AM, Alexandre Torres Porres
wrote:
> Howdy, I'm working on a frequency shifter
Howdy, I'm working on a frequency shifter object (via single sideband
modulation / complex modulation).
In Max they have a so called "6th order hilbert transformer with a minimum
of error". In Pd, the hilbert~ abstraction is 4th order. I'm copying the pd
abstraction for now, but I was hoping to