[Uni-verse] VSSR (very short status report) on WP 7.4

[Lauri Savioja]

Hi,

I'll continue the audio status report regarding 'WP7.4 sound
rendering'. The sound rendering software is finished for Mustajuuri
platform. It is running on pd as well but there are still some
performance problems, and Mustajuuri is more efficient platform at the
moment. The report is finished due March 15th.

In addition, I'm happy to tell that our conference paper disucssing
the acoustic geometry reduction was accepted to the '6th International
Conference on Auditorium Acoustics', and will be presented there in
May. At the moment we are preparing a journal paper on that as well,
but we still need to enhance the algorithm to get better results
before publication.

Regards,
	Lauri

On Wed, 11 Jan 2006, Peter Lunden wrote:

> Since last report we have implemented and debugged the beam-tracing 
> module. The debugging has been a night-mare and has taken much more time 
> than we thought. Most of the functionality in this module is now working 
> but there are still a few minor bugs to be fixed. Two things are 
> currently missing or behaving bad, first all phantom sources are 
> reallocated at each frame (this is relativly easy to fix) which is bad 
> for the renderer. Second an algorithm to close the spatial cells are 
> missing, this is more complicated to fix and it will take a while to 
> implement it. In the meanwhile only simple geometry which is specially 
> prepared can be used.
> 
> We have also made it possible for the UVAS framework to get sound 
> sources and listeners from a verse server. The funtionality has been 
> implemented and seames to work but futher testing is needed.
> 
> A renderer based on Snd3D (my old 3d-sound system)  is almost working 
> now. It has no air- absorption or reflection filtering yet.
> 
> We hope that everything will be finished and a report produced well 
> before the 15th of March.
> 
> Best regards,
> --PLu


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-- 
Lauri Savioja
Telecommunications Software and Multimedia Laboratory
Helsinki University of Technology
PO Box 5400, FIN-02015 TKK, Finland
Tel. +358-9-451 3237     Fax +358-9-451 5014