Re: [Sursound] Patent application: Data structure for HOA

2012-10-28 Thread etienne deleflie
> I think no serious person in audio wants anything to do > with lossy compression which is a commercial compromise > for no real reason(uncompressed audio no longer > looks like that big a file). Since probably > no one is interested in exotic surround items > except people who are serious about a

Re: [Sursound] Patent application: Data structure for HOA

2012-10-28 Thread Robert Greene
I think no serious person in audio wants anything to do with lossy compression which is a commercial compromise for no real reason(uncompressed audio no longer looks like that big a file). Since probably no one is interested in exotic surround items except people who are serious about audio, I th

Re: [Sursound] Patent application: Data structure for HOA

2012-10-28 Thread Stefan Schreiber
Richard Lee wrote: As I've said ad nauseum, the guy who first integrates an Ambi decoder into VLC, getting around the evil Windoz mixer etc. gets to choose the data structure for next important Ambi format. This will be a lossy compressed format probably based on the public domain Vorbis.

Re: [Sursound] Patent application: Data structure for HOA [RANT]

2012-10-28 Thread Richard Dobson
On 28/10/2012 23:12, etienne deleflie wrote: Hi Richard, .. The 4GB limit has been considered within UA. The wavpack format itself has the limit of 2^32 samples, which translates to 27 hours at 44 kHz (or 1 hour of 27 channels at 44kHz). The users who have been emailing me are all working at

Re: [Sursound] Patent application: Data structure for HOA [RANT]

2012-10-28 Thread etienne deleflie
Hi Richard, > Yes, what it does, it does very well. However, as described, you are asked > to first create an n-channel interleaved WAVE file containing all those > uncompressed silent channels, and pass that to wavpack. Which is fine in > principle, except that with a possibly large number of cha

Re: [Sursound] Patent application: Data structure for HOA

2012-10-28 Thread Richard Dobson
On 27/10/2012 23:27, etienne deleflie wrote: .. I really didn't want to get pulled into a defence or argument about ambisonic formats ... but, just to clarify ... the choice to include some empty channels in UA is intentionally designed so that authoring environments don't need to change all the