From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-bw0-f174.google.com ([209.85.218.174]:44325 "EHLO mail-bw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751239AbZEWFvs (ORCPT ); Sat, 23 May 2009 01:51:48 -0400 Received: by bwz22 with SMTP id 22so2000509bwz.37 for ; Fri, 22 May 2009 22:51:48 -0700 (PDT) Message-ID: <4A178ED3.5050806@gmail.com> Date: Sat, 23 May 2009 07:51:15 +0200 From: David Lister MIME-Version: 1.0 To: Manu Abraham CC: Goga777 , linux-media@vger.kernel.org Subject: Re: [linux-dvb] Most stable DVB-S2 PCI Card? References: <53876.82.95.219.165.1243013567.squirrel@webmail.xs4all.nl> <1a297b360905221048p5a7c548anbdef992b5a1a697d@mail.gmail.com> <20090522234201.4ee5cf47@bk.ru> <1a297b360905221325r46432d02g8a97b1361e7958ac@mail.gmail.com> <4A171985.3090205@gmail.com> <1a297b360905221438n7dfb55a9uec1f1ce119bd8d74@mail.gmail.com> In-Reply-To: <1a297b360905221438n7dfb55a9uec1f1ce119bd8d74@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Manu Abraham wrote: > On Sat, May 23, 2009 at 1:30 AM, David Lister wrote: > >> Actually, there are many DVB-S2 cards supporting 45 MS/s, even TeVii S460 >> can do 2-45 MS/s. I spoke with a fellow TeVii owner, who confirmed the card >> is working with a 45 MS/s transponder on Express AM2 without *any* issues. >> All this aside, there aren't any transponders with higher rates than this >> and there won't be for many years. Who knows how stable would TT even be >> with such rates? For now, it's irrelevant anyway. I have no problem >> upgrading to a new card in 3-4 years, providing there will be a stable, >> fully supported card for Linux with as many satisfied owners as e.g. Nova S2 >> HD has. >> > > You are talking about a 45 MSPS DVB-S stream on a DVB-S2 demodulator, > while i was talking about a 45 MSPS DVB-S2 stream on a DVB-S2 demodulator. > > Big difference ! > This point is moot in the first place, mate. Especially in USA (original poster), where it'll take twice the time to reach those rates on DVB-S2. All current 45 MS/s transponders are QPSK, at least as far as I can tell. Even if that "technology preview" 8PSK transponder of yours existed (somewhere above Asia), it's hardly a reason to buy Linux-unstable cards in EU or USA. Especially considering OP's quest for super-stable HW. HD is pretty much beginning and none of it goes over 30 MS/p. Why hurry, I ask? In 2-3 years time, when your driver is finished and stable, we'll all happily switch to "generation 2" HW (your term), if need be. Don't get me wrong, I have nothing against TT, it's just more sensible to go with proven HW. On a different note, I'm quite grateful for your development efforts and wish you success & best of luck. If only there were more people dedicated as you are. Seriously. Keep it up! -- Dave