I have had a nice email from a couple of Adobe developers to mention
that they added support for AMB files in Audition CC. Specifically:
Here's basically what we support
* Ambisonic B Format (W,X,Y,Z) in WAVE and WAVEFORMATEXTENSIBLE files
per the guidelines on your website. Both import and export. Including
the .amb file extension
* Import and Export of the same through libsndfile (we include that as
one of the options now)
* Import and Export of the same through AIFF/AIFF-C through the
undocumented CHAN chunk (same as what is in CAF files)
* When on Mac, Import and Export of the same through Apple's
AudioToolbox API and the formats that support it (e.g. CAF files).
A screendump they sent shows that the WXYZ channel idents are displayed
for each channel in the main waveform editor display. They also provide
a couple of presets in the channel mixer, for decoding to quad and ITU
5.1 (remains to be seen how well that one works), and a further one to
convert from A format to B format, which may be of interest to
microphone users here.
They told me that despite the stated tech requirements of OS X 10.7
onwards I will be able to install it on my 10.6 Mac; only the video
codec components won't load, which for me is no loss at all. So I should
be able to get at least the trial version running.
It goes without saying that this does not make Audition a super-duper
HOA workstation, and of course it is far from being free software, but
it does hopefully bring basic B-Format processing to a(n even) wider
public. They were kind enough to thank me for my AMB web page, which
they said made adding the support rather easy :-).
Richard Dobson
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