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On Fri, 18 Jul 2008, Fons Adriaensen wrote:
> On Fri, Jul 18, 2008 at 12:17:42PM +0100, jpff wrote:
>
> > Just before i went on holiday I was provided with new ambisonic
> > encode/decode sources from Richard Furse and Bruce Wiggins, checked by
> > Fons. As there are significant differences in arguments and
> > functionality I have renamed these as bformenc1 and bformdec1, and
> > checked them in. I have not yet written the documentation as I was
> > really meant to be on holiday not computing.....
> >
> > So, documentation is a day or so. Better opcode names most welcome.
> > ==John ffitch
>
> They are actually meant to be *replacements* for the current opcodes,
> which are, to put it diplomatically, problematic. If we had wanted to
> provide 'state of the art' opcodes or any new functionality they would
> have looked rather different.
I realise that they are really replacements, but the principle of never
breaking existing pieces is important. I woul;d rather not do a survey of
all users on these opcodes..... I would like better names though.
>
> The decoders should be functionally compatible with the existing ones.
Except that there are less options.
>
> The only thing we did leave out are the per-order gain factors for the
> encoding opcode, as this is definitely not the right place to apply
> them. I you need a non-standard encoding (but we can't imagine why
> you would) it is trivial to apply such gain factors in the orchestra
> definition.
>
The negative inputs would fail as well.
> If you really want to keep the old ones, at least put a note in their
> docs that they have been replaced by a more correct implementation.
>
I was going to mark the originals as deprecated as soon as I had rehacked
the documentation
Sorry if this seems to underestimate your work; I am delighted that you
have sorted out this area. I would like to record a big thank you to you,
and Richard and Barry, and all the others I failed to note.
==John ff
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