From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS3561 216.34.176.0/20 X-Spam-Status: No, score=-3.1 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS,T_DKIM_INVALID,T_RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 5CB52202F2 for ; Thu, 23 Nov 2017 14:09:24 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-1.v29.ch3.sourceforge.com) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.89) (envelope-from ) id 1eHsBu-0004Ti-Ul; Thu, 23 Nov 2017 14:09:22 +0000 Received: from sfi-mx-1.v28.ch3.sourceforge.com ([172.29.28.191] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1eHsBs-0004TD-R9 for sox-users@lists.sourceforge.net; Thu, 23 Nov 2017 14:09:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:MIME-Version :Message-ID:In-Reply-To:Date:References:Subject:Cc:To:From:Sender:Reply-To: 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=1VdKmtRz48NGT7r1vvv9y+ZWc8mAUX4phyIhdQP66nM=; b=HSvGbNdMbgyQx6NWbwImnTelH3 ZPotiKgRecZSED2/A2zilb3YZQo0Z0eioUrARFnx4o1as/4gGe2HiUFEWOo3sGJDBSg4XY0g4Jg5S THaq4ud9DJnixBIsyQ9L26C1ts9MTRC6bX4ucgXemn9cOoiSiZMHkGAd4sL3dFFvccPE=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID: In-Reply-To:Date:References:Subject:Cc:To:From:Sender:Reply-To: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=1VdKmtRz48NGT7r1vvv9y+ZWc8mAUX4phyIhdQP66nM=; b=nD1DeO4+hbflwhTg4x7qjwnZ8C Qt46HkfveoUWfwHE7JXSlkNqil2H7bFcghxkPP/2vbN+kOuN3rUjybIQbRQlK8I6+Z1lQuymTSEzu E06kjyW6XfpuJYRsPQMquO35ikhh4ELtXHucJDAk9HyAumu+EzY8VNyekGHB6Aau0F7A=; Received: from [81.2.72.234] (helo=unicorn.mansr.com) by sfi-mx-1.v28.ch3.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) id 1eHsBq-0004Ff-Fw for sox-users@lists.sourceforge.net; Thu, 23 Nov 2017 14:09:20 +0000 Received: by unicorn.mansr.com (Postfix, from userid 51770) id 3E9B215613; Thu, 23 Nov 2017 14:09:12 +0000 (GMT) From: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= To: James Trammell References: Date: Thu, 23 Nov 2017 14:09:12 +0000 In-Reply-To: (James Trammell's message of "Wed, 22 Nov 2017 21:27:17 -0500") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 X-Headers-End: 1eHsBq-0004Ff-Fw Subject: Re: What is the type of white noise generated by SoX? X-BeenThere: sox-users@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sox-users@lists.sourceforge.net Cc: sox-users@lists.sourceforge.net Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: sox-users-bounces@lists.sourceforge.net James Trammell writes: > Hi, > > I have found SoX's synth effect useful for generating white noise; does > anyone know what specific type of white noise it generates? > > The different types of white noise I am familiar with are: > > White Gaussian > White triangular > White uniform > White binary > > Is it one of these, or something else? It uses this LCG (in util.h): #define ranqd1(x) ((x) =3D 1664525L * (x) + 1013904223L) /* int32_t x */ #define dranqd1(x) (ranqd1(x) * (1. / (65536. * 32768.))) /* [-1,1) */ -- = M=E5ns Rullg=E5rd ---------------------------------------------------------------------------= --- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Sox-users mailing list Sox-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sox-users