Re: [Sursound] A proposal for an Ambisonics based 3D audio codec, MPEG/ITU style...

2013-01-26 Thread Stefan Schreiber
I am apologizing for the HTML -- plain text msg. formatting errors, I never seem to learn this. MPEG Surround was also defined as one of the MPEG-4 Audio Object Types http://en.wikipedia.org/wiki/MPEG-4_Part_3#MPEG-4_Audio_Object_Types in 2007.[8]

Re: [Sursound] Broadcasting b-format over 802.11g to Ambisonic speaker system

2013-01-26 Thread Augustine Leudar
/20130126/104b9fb3/attachment.html ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound -- 07580951119 augustine.leudar.com -- next part -- An HTML attachment was scrubbed

Re: [Sursound] Maximum number of output channels possible in onesingle pc today ?

2013-01-26 Thread Justin Bennett
On 25 Jan 2013, at 18:00, sursound-requ...@music.vt.edu wrote: I would be curious to know of even older high quality sound cards. best, Miguel Hi Miguel, how about the lowest number of channels ;-) my performance group BMB con. still uses an atari 1040ST with a ADAP sound card - a huge

Re: [Sursound] Broadcasting b-format over 802.11g to Ambisonic speaker system

2013-01-26 Thread Michael Chapman
Anyway if anyone knows of a wireless cable system out there that is high quality and works over distances of up to 400m (in places where there is no internet) please let me know ! You can (or could) get little boxes that plugged ino power points (as in 220v sockets) that each had an

Re: [Sursound] Broadcasting b-format over 802.11g to Ambisonic speaker system

2013-01-26 Thread Fons Adriaensen
On Sat, Jan 26, 2013 at 05:36:31PM -, Michael Chapman wrote: And yet further: somewhere on the Web used to be details of using a wok (as in cuisine) _basket_ (for ?deep fat frying?) as a reflector ('parabole') for WiFi ... was reputed to _greatly_ enhance range ... (don't think it was a

Re: [Sursound] Broadcasting b-format - again

2013-01-26 Thread Ross Bencina
On 26/01/2013 11:55 AM, Fons Adriaensen wrote: If the speaker input is analog, you'll have a DA converter in each receiver. This needs to get its sample clock*from the received data* unless you're prepared to resample the signal after decoding. Since there can and will be significant jitter on

Re: [Sursound] Broadcasting b-format - again

2013-01-26 Thread Jörn Nettingsmeier
On 01/26/2013 08:09 PM, Marc Lavallée wrote: How about a simple wireless analog trick: http://hackaday.com/2012/08/31/a-laser-audio-transmitter/ http://www.instructables.com/id/Send-Music-over-a-Laser-Beam/ getting clear line-of-sight to six or more speakers is probably just as hard as

Re: [Sursound] Broadcasting b-format - again

2013-01-26 Thread Ross Bencina
On 27/01/2013 6:29 AM, Jörn Nettingsmeier wrote: getting clear line-of-sight to six or more speakers is probably just as hard as wiring them for audio. Does it need to be direct line of site? Maybe infrared ambient light would be OK? Ross. ___

Re: [Sursound] Broadcasting b-format - again

2013-01-26 Thread Michael Chapman
I have implemented a similar thing and had phase-locked audio coming out of ~20 iPod touches using one enterprise-grade access point. At Xmas, with multiple iPhone users all playing music on 'loudspeakers' at the same time ... whether one couldn't harness them all and play surround sound ...

Re: [Sursound] Broadcasting b-format over 802.11g to Ambisonic speaker system

2013-01-26 Thread Stefan Schreiber
Michael Chapman wrote: Anyway if anyone knows of a wireless cable system out there that is high quality and works over distances of up to 400m (in places where there is no internet) please let me know ! You can (or could) get little boxes that plugged ino power points (as in 220v

Re: [Sursound] Broadcasting b-format over 802.11g to Ambisonic speaker system

2013-01-26 Thread Stefan Schreiber
Ok, I give up You can't cite/copy hypertext (HTML) here, even not if sending in (plain) text mode. Thought this should work, sorry... I tried to clean up the mess, results below... Best, Stefan Stefan Schreiber wrote: Michael Chapman wrote: Anyway if anyone knows of a

Re: [Sursound] Broadcasting b-format over 802.11g to Ambisonic speaker system

2013-01-26 Thread Ross Bencina
On 27/01/2013 6:16 PM, Michael Chapman wrote: We have at least two 'problem scenarios' here. One large outdoor in parkland, one small indoor. These comments are more aimed at the former. _If_ the aim is multi-loudspeaker, wireless audio ... then one possibilty is to physically distribute it.