Date: Wed, 28 May 2008 00:40:23 +0200 From: "Danny Pansters" <danny@ricin.com> To: freebsd-multimedia@freebsd.org Subject: Re: TV-Tuner cards ( NTSC / PAL / SECAM ) - which works best? Message-ID: <200805280040.24038.danny@ricin.com> In-Reply-To: <200805280034.34063.danny@ricin.com> References: <142121.24995.qm@web63013.mail.re1.yahoo.com> <200805280034.34063.danny@ricin.com>
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On Wednesday 28 May 2008 00:34:33 Danny Pansters wrote: > On Saturday 24 May 2008 01:53:07 Fritz Katz wrote: > > My task is to put together a system that can ship > > world-wide, be able to display any TV signal, and have > > all the capabilites that FreeBSD can provide > > (internet, graphics, games). Potential applications > > are huge. For example, running JAVA the system could > > be used to build a low-cost Cable (OCAP in the US or > > DVB in Europe) or satellite (DirecTV, DISH, etc) > > Set-top box. > > I don't think there are any "can" tuner solutions that do both > pal/secam and ntsc, and for any digital TV you pretty much have > to turn to silicon tuners I think. I also think that is where you > can find solutions that can do both traditional pal/secam and ntsc > and maybe also both dvb-* and *tsc. > > Video decoder-wise there are many solutions that can do all three > standards. Sorry bad editing: the next is about tuner chips, not the av decoding chips in the former sentence. > Microtune and others make chips for several of these and QAM-geared > and even for mechanical systems purposes (factory/lab/servo equipment) > but no everything-in-one AFAIK. It's possible that everything-in-one just > can't be done technically or economically, but the fact that they can be > designed/manufactured almost equivalent and still have such a broad area of > application clearly show their merit. Not to mention that they're already > being used all over the place in, well, TVs for example. Other chipmakers > are xceive, fujitsu, TI (they also make a prominent video decoder chip TVP > for which there are extensive datasheets on the net), probably also > philips/LG, ... [google] > > ( AFAIU it's a double (serial) PLL system so that the dividers/multipliers > can effectively both be set rather than merely a few fixed combinations -- > anybody more "skilled in the art" as the patent language goes, feel free to > comment ) > > I'm only relaying from my own research and I have no ties anywhere in this > industry, but I think you're going to need to have a significant budget and > talk to -- for example -- TI and fujitsu if you want some universal > card/USB stick to be put together. You'd also need drivers :) > > Hauppauge's stuff (or elgato) might be already extensive enough for the > multi support you want. But there too, you'd also need drivers :) > > HTH, > > Dan > _______________________________________________ > freebsd-multimedia@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia > To unsubscribe, send any mail to > "freebsd-multimedia-unsubscribe@freebsd.org"
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