From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: Noise is coming from speaker when I do aplay Date: Mon, 16 Dec 2013 15:31:00 +0100 Message-ID: <52AF0EA4.1050607@ladisch.de> References: <1750043993.107445.1385097675393.JavaMail.zimbra@iwavesystems.com> <832916567.155727.1387184088233.JavaMail.zimbra@iwavesystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by alsa0.perex.cz (Postfix) with ESMTP id C8E3E26157F for ; Mon, 16 Dec 2013 15:31:05 +0100 (CET) Received: from compute6.internal (compute6.nyi.mail.srv.osa [10.202.2.46]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 36F1B20F7D for ; Mon, 16 Dec 2013 09:31:01 -0500 (EST) Received: from [10.1.2.65] (unknown [94.101.37.4]) by mail.messagingengine.com (Postfix) with ESMTPA id 3873F6800B1 for ; Mon, 16 Dec 2013 09:31:01 -0500 (EST) In-Reply-To: <832916567.155727.1387184088233.JavaMail.zimbra@iwavesystems.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org ranjith vs wrote: > While doing arecord and aplay I'm able to hear the sound. But some little bit noise is there. How can I reduce the noise. That depends on where the noise comes from. Try disabling playback of any analog inputs. If that does not help, use a better power supply, or use better-designed hardware. Regards, Clemens