From owner-freebsd-questions@FreeBSD.ORG Mon Mar 21 23:25:55 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B3C3716A4CE for ; Mon, 21 Mar 2005 23:25:55 +0000 (GMT) Received: from mail27.sea5.speakeasy.net (mail27.sea5.speakeasy.net [69.17.117.29]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6BD8843D41 for ; Mon, 21 Mar 2005 23:25:55 +0000 (GMT) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: (qmail 28711 invoked from network); 21 Mar 2005 23:25:55 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail27.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 21 Mar 2005 23:25:55 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id 512A125; Mon, 21 Mar 2005 18:25:54 -0500 (EST) Sender: lowell@be-well.ilk.org To: Jean-Jacques Dhenin References: <20050321192039.GA21619@ecp.fr> From: Lowell Gilbert Date: 21 Mar 2005 18:25:53 -0500 In-Reply-To: <20050321192039.GA21619@ecp.fr> Message-ID: <44hdj4zim6.fsf@be-well.ilk.org> Lines: 14 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-questions@freebsd.org Subject: Re: Howto extract only one channel from a wav file ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: freebsd-questions@freebsd.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Mar 2005 23:25:55 -0000 Jean-Jacques Dhenin writes: > Howto extract only one channel from a wav file ? > > The left channel, for example, is very bad. > Howto get only the right one ? > > I dont find into xwave, sox, lame ... something for this use. The sox manual says: The -f and -b options maintain left/right stereo separation; use the avg effect twice to select a single channel.