The only "usefull" would be AES50-2005 because it is royalty-free. ([..] SuperMAC provides 48 channels bi-directionally over Cat 5 cable, while HyperMAC provides up to 384 channels bi-directionally over Cat 5 or Cat 6 or fibre. The signal format includes embedded clocks in the same way that AES3 does. [...] ) There is association AES50 Trade Association http://www.aes50ta.org/ http://www.supermac-hypermac.com/ For non commercial usage they are planning to give free SDK for dsp platforms. ([...] Software Development Kits (SDKs) for use with Xilinx Spartan-3E and -3S series field programmable gate arrays (FPGAs) [...]) http://www.prosoundweb.com/article/klark_teknik_announces_several_aes50_pro… http://www.techietalk.co.uk/news/klark-teknik-announces-major-aes50-develop… For commercial usage they charge £500 towards administration costs. Details of licensing can be found here http://www.supermac-hypermac.com/licensing.php Nevertheless, I can support open protocol development with my work since I am writing right no my theses on audio networking. Pawel ---------------------------------------------------------------------- Wygraj pobyt w Alpach dla ca�ej rodziny Kliknij >>> http://link.interia.pl/f2446