UHJ - stereo

[ctrapani]

Hi everyone: I’d like to create a UHJ stereo file in Spat, combining 22 mono sources. Is there a UHJ encoding object in Spat? If not, is passing through the bformat panning (as in the spat.decoder~ help files) the best approach? I am not sure I have the signal path correct (see attached screenshot) and would appreciate any expert advice… Many thanks – Christopher

[tcarpent]

Hi Christopher,

There is no UHJ encoding in Spat.
A workaround is indeed to first encode to bformat and then convert bformat to UHJ.
To that purpose, your signal path is correct.
I would however strongly encourage not to use UHJ, as this is not well tested and this usually sounds very bad (nasty phasing effects).

Why not using a standard stereo panning ?

T.

[ctrapani]

Thanks – This for a CD release, so I’m looking for the best stereo mixdown that preserves some sense of spatialization. The original piece is in a six-channel ring. Any advice? To my ears, the UHJ sounds great, but I’ll compare to a stereo-panned version next…

[tcarpent]

Well, if UHJ suits your needs, it’s great.
It was just a warning message.

Not many other choices for CD stereo mixdown:

• transaural which may also suffer from strong coloration artifacts and small sweet-spot
• you could try out the stereo-downmix option of spat.transpan~.
  This combines conventional amplitude panning and transaural, and tries to minimize the detuning of the latter.

T.

[smalllotus]

Hi Ctrapani

if you want to encode in UJH or Ambisonics or other stuff try :

http://idmil.org/pub/software/omprisma/MultiPlayer1.0.dmg

It’s really powerful !!!

[marlon]

to comment this, MultiPlayer “decodes” UHJ and Ambisonics.

Cheers,
Marlon