On Mon, 2004-01-19 at 14:01, Bob Knight wrote: > Scott Stingel wrote: > > >>What *I* want to know is why someone has not made a CHEAP PCI card > with > >>4, 8, or 16 of these DSPs on it. This kind of card would provide > >> > >> > >> > > > >Expanding a bit on Nicolas' message, DSP software is complex, and > there is > >not a huge number of people who do it well. So along with the board > layout > >and production cost (not trival for a 6- or 8-layer board), you have > the > >programming cost for both the PGA (programmable gate array) device(s) > and > >the DSP. You also have the cost of the DSP simulators, driver > development > >etc etc. > > > >All of these must be amortized over the number of boards you expect > to sell > >- that's why the board price can get so high. Dialogic's D600-2E1 > JCT > >boards etc cost well over US$10000. The whole point of the > asterisk/digium > >exercise is to move the complex software to the PC and take advantage > of the > >economies of scale that it brings. > > > Don't forget power and HEAT! > When I was making Portmasters at Livingston/Lucent we made modem > boards > with a bunch of DSP's sitting on TDM's. Some of those DSP's are great > BTU generators. Some times you have to clock the DSP at slower speeds > just to > keep the heat down.
Did patent/codec indemnification come as part of the DSP product, or did you have to do the indemnification separately? _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
