NBA.com is a good website , there are many channels provided by other 3rd parties such as XS Sports
Their streams are available on their websites or software such as TV Ants, Sopcast , TVU
If you want to know more, please go directly to their website and checkout further
http://xs.sportsontheweb.net/
ppmate://www.ppmate.com/channels/PCAST_05.txt
ppmate://ps.itv.mop.com/channels/DEFAULT/txt/1,0,0,75/PCAST_05.txt
tvants://list.tvants.com/tvants/?k=54eccdc0fe40775d0c2755833383db11
tvants://list.tvants.com/tvants/?k=1c085807193c7490c5df7549995c9b36
tvants://www.p2psports.cn/tvants/?k=1fb1dae45b7cbbc7853d2e778b9cbeff
sop://broker.sopcast.com:3912/50954