From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS6130 216.105.38.0/24 X-Spam-Status: No, score=-3.6 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE, SPF_HELO_PASS,SPF_PASS,T_DKIM_INVALID shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1 Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (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 4D2321F516 for ; Fri, 22 Jun 2018 11:32:26 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-1.v29.lw.sourceforge.com) by sfs-ml-1.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1fWKIe-00006j-F4; Fri, 22 Jun 2018 11:32:20 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1fWKId-00006S-7R for sox-users@lists.sourceforge.net; Fri, 22 Jun 2018 11:32:19 +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=aUBk3b8X5534gbonMjFbROg63JJ9N9d/OR5EJkNXp2M=; b=PeEPMYNSPJbiEekvGhdkLm6XCd YUlwWJ8+nfktRGFhNIBh553KadlHcGVDrTxL+k4qjiETp5NqVu+QrRVDAuf4H/tYzPHnCElVXF4Ux DU/ziXpwFiqq3xKFOkBj4aYS9UXy5LYP5YUifWTvxBCq9dXpZHe3VuOZSnUtnp+NcRMY=; 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=aUBk3b8X5534gbonMjFbROg63JJ9N9d/OR5EJkNXp2M=; b=QQfX0gqH3p6+rGWULBF+oGo9jz aLFFArkbPdOYfXEZUcZ/IYtSRpcTojIoOOP+wCPKXfGQj6wngJitl0tHI/i4PjVJephwZkAYVBZHs E4e4TLjqkrZ+1LRDzsG3VQON59Egug1Pz94nCMV6aIdlDc2cFqu3NCuseuq6VUVv2xSQ=; Received: from unicorn.mansr.com ([81.2.72.234]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1fWKIb-005elt-Br for sox-users@lists.sourceforge.net; Fri, 22 Jun 2018 11:32:19 +0000 Received: by unicorn.mansr.com (Postfix, from userid 51770) id 7DF311539B; Fri, 22 Jun 2018 12:14:38 +0100 (BST) From: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= To: Mac References: Date: Fri, 22 Jun 2018 12:14:38 +0100 In-Reply-To: (Mac's message of "Thu, 21 Jun 2018 14:54:23 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 X-Headers-End: 1fWKIb-005elt-Br Subject: Re: lost sync warning 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 Mac writes: > Hi, > > I did some normalization of some mp3 files and on some got the warning: > > sox WARN mp3-util: MAD lost sync That means the mp3 decoder didn't find a frame sync code where it expected one. This could be due to file corruption or simply a trailing ID3 tag. > The resulting files seem to be ok, i.e. they seem to play from beginning = to > end (I have the pre normalization version of the file for comparison) > > Also, the resulting files are much smaller. Sometimes megabytes smaller. > Whats up with that? The output probably uses a lower bit rate setting. > And, does normalizing an mp3 multiple times degrade the audio? Yes. -- = 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