From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mta2.srv.hcvlny.cv.net ([167.206.4.197]:48992 "EHLO mta2.srv.hcvlny.cv.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752144AbZFIOXY (ORCPT ); Tue, 9 Jun 2009 10:23:24 -0400 Received: from host143-65.hauppauge.com (ool-18bfe0d5.dyn.optonline.net [24.191.224.213]) by mta2.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTP id <0KKZ00LOY6N09WF0@mta2.srv.hcvlny.cv.net> for linux-media@vger.kernel.org; Tue, 09 Jun 2009 10:23:25 -0400 (EDT) Date: Tue, 09 Jun 2009 10:23:23 -0400 From: Steven Toth Subject: Re: cx18, s5h1409: chronic bit errors, only under Linux In-reply-to: <4A2D7C99.3090609@gatech.edu> To: David Ward Cc: Devin Heitmueller , linux-media@vger.kernel.org Message-id: <4A2E705B.6060905@kernellabs.com> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7BIT References: <4A2CE866.4010602@gatech.edu> <4A2D1CAA.2090500@kernellabs.com> <829197380906080717x37dd1fd8n8f37fb320ab20a37@mail.gmail.com> <4A2D3A40.8090307@gatech.edu> <4A2D3CE2.7090307@kernellabs.com> <4A2D4778.4090505@gatech.edu> <4A2D7277.7080400@kernellabs.com> <829197380906081336n48d6090bmc4f92692a5496cd6@mail.gmail.com> <4A2D7C99.3090609@gatech.edu> Sender: linux-media-owner@vger.kernel.org List-ID: David Ward wrote: > On 06/08/2009 04:36 PM, Devin Heitmueller wrote: >> On Mon, Jun 8, 2009 at 4:20 PM, Steven Toth wrote: >> >>> We're getting into the realm of 'do you need to amplify and/or debug >>> your >>> cable network', and out of the realm of driver development. >>> > Comcast is coming tomorrow to check out the signal quality. They said > that they expect to deliver SNR in the range of 33dB - 45dB to the > premises. I will let you know how that affects Linux captures. 33 should be fine for any Linux TV device. Make sure the engineer checks for 33db across a range of the higher (80 thru 100) rf channels (where rf falloff of common). Let us know how you get on. Regards, -- Steven Toth - Kernel Labs http://www.kernellabs.com