Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: INFN-TO: mailn 1233; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id v6AKfAZE008511 for ; Mon, 10 Jul 2017 22:41:11 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dUfMD-0001AN-4A for rs_out_1@blacksheep.org; Mon, 10 Jul 2017 21:32:37 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dUfMB-0001AD-Bc for rsgb_lf_group@blacksheep.org; Mon, 10 Jul 2017 21:32:35 +0100 Received: from porthos.netcom.co.uk ([217.72.171.73]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dUfM8-0005PC-Kc for rsgb_lf_group@blacksheep.org; Mon, 10 Jul 2017 21:32:34 +0100 X-DKIM-Result: Domain=abelian.org Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=abelian.org ; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:To:References:Reply-To:Subject:Sender:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=BdzlyRXZiD47EKqP7hLR9KMfaX1kEVEGx2IgYgzDoB4=; b=Iqdkp4xGj4sIaVS0O/SPnTk/BB XE8LlBVJnRkCXDxNMr1O9NwKFSVL4itRLwNJals5d7fXpX/lzYCrBg/ahRtxB66CzuNMInRSbn/FE OLxjMD5bbb3NVAsnLJCXI65IJxbAugNnth38MlRv4wks6EG6a+gIUSxmOp3k28m0fgEc=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:48059 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dUfM8-0001uy-CN for rsgb_lf_group@blacksheep.org; Mon, 10 Jul 2017 21:32:32 +0100 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id CFBEB4001B4 for ; Mon, 10 Jul 2017 20:32:31 +0000 (UTC) References: <15ca21dc75e-1e15-bcda@webprd-m105.mail.aol.com> <0f9558b4-457d-a395-58c9-7f9be3393cdd@sky.com> <4767d79f-2bf6-d838-bfd4-3e78102d6f5d@abelian.org> <510c15eb-b57a-0ebb-9037-1f83e0652cf2@sky.com> <933fcc32-d4c9-10cd-14b4-c179d66e27f9@abelian.org> <7ab80e0f-40d7-6b07-19c1-f4b256d47c52@sky.com> <594DB217.8060707@posteo.de> <2eb826d6-d299-7b37-cf64-f5bef6718f24@abelian.org> <595E4420.7060405@posteo.de> <595FB81A.5090606@posteo.de> <45775d6c-f091-37c0-0907-f01688c69b03@abelian.org> <5960BAC0.7000403@posteo.de> <5960D0B2.7030801@posteo.de> <6c1f8a0c-0dd6-ed42-cfe6-4a142e7bd3cd@abelian.org> <6991700d-fd34-7676-a182-507ea0fdae8e@abelian.org> <596208E4.5060803@posteo.de> <59626BE9.5060709@posteo.de> <65f24c4f-33f6-2925-15b9-0e5bb33efb87@abelian.org> To: rsgb_lf_group@blacksheep.org From: Paul Nicholson Message-ID: <665fb30c-1b58-d7da-9d30-5ea775a461c5@abelian.org> Date: Mon, 10 Jul 2017 20:32:31 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <65f24c4f-33f6-2925-15b9-0e5bb33efb87@abelian.org> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - porthos.netcom.co.uk X-AntiAbuse: Original Domain - blacksheep.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - abelian.org X-Get-Message-Sender-Via: porthos.netcom.co.uk: authenticated_id: catchall@abelian.org X-Authenticated-Sender: porthos.netcom.co.uk: catchall@abelian.org X-Scan-Signature: bb61bee384896e075004ae5ec954ddd2 Subject: Re: LF: Octo-soundcard for the Raspi, another question Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.75 Status: RO X-Status: X-Keywords: X-UID: 12211 I wrote: > vtstat -a r=0.01 > col3 is the mean amplitude (the 'DC' level) Correction, col3 is the mean rectified amplitude, so not the DC level! I ran the Octo at full gain, inputs open, for several hours through vtstat -a r=0.02 and an awk script to look for any background noise drop-outs, without success. Stefan wrote: > Warm? It is HOT!!! I can't stay outside in the sun during the > midday time. You are so lucky. Here, 20C counts as eine Affenhitze. -- Paul Nicholson --