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=-2.4 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,RCVD_IN_DNSWL_HI,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,RCVD_IN_SORBS_SPAM,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS, T_DKIM_INVALID,UNPARSEABLE_RELAY shortcircuit=no autolearn=no 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 7A322208CD for ; Tue, 29 Aug 2017 00:35:20 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-3.v29.ch3.sourceforge.com) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.89) (envelope-from ) id 1dmUUw-0003hc-Mm; Tue, 29 Aug 2017 00:35:18 +0000 Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1dmUUv-0003hU-1u for sox-users@lists.sourceforge.net; Tue, 29 Aug 2017 00:35:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Type:To:Subject:Message-ID:Date:MIME-Version:From; bh=2j/X6wCNN+V2UVgTmWb78AQ2g657v07P6OnezDhauiE=; b=N2mZT4VgS4l7bu5t0r0woojnnRnJC6pNBY8nnJwLI3d6bmA+I6fNEGItCejaSu5a+bZUEo5bNmu5U/QFV4rfGknOmr4bO6/wIoGIrSvbQtd8NIIH2ZsAqIm/lNmJWhyy8tACXGCJDWYAAm7TdGrhwovrTk64nisTqn/SZg+GM2k=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x; h=Content-Type:To:Subject:Message-ID:Date:MIME-Version:From; bh=2j/X6wCNN+V2UVgTmWb78AQ2g657v07P6OnezDhauiE=; b=Vnzru/NjNn6kabOngqiFHoPUhx0holZhLDYDEKVOAj1lI/rh7D8mW/MeOHdTGk1LZ3l8hEqSRwpr41WhwPxKsmmnXEwjgzCk/5zP13oapDRH4bubDjEdJG1lA43CpPF2wZ2x6vWHZMcItjJlN1MwStMNgwOPTvhEKtNEMA6ohPI=; Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.128.180 as permitted sender) client-ip=209.85.128.180; envelope-from=miketpadilla@gmail.com; helo=mail-wr0-f180.google.com; Received: from mail-wr0-f180.google.com ([209.85.128.180]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1dmUUu-0006Mw-3a for sox-users@lists.sourceforge.net; Tue, 29 Aug 2017 00:35:16 +0000 Received: by mail-wr0-f180.google.com with SMTP id z91so5835122wrc.1 for ; Mon, 28 Aug 2017 17:35:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:mime-version:date:message-id:subject:to; bh=2j/X6wCNN+V2UVgTmWb78AQ2g657v07P6OnezDhauiE=; b=Ni8yECgh80nP1DP+kjtZVZsZtA65olt6jBq9+9SfyvJloQ1LPdxx53NUl53El6Pblr Gvm9iWNhVR+Dvg3nOVP0I5zeCNT0QTuUVTHSlXF0KzZhqIJPPem99IF1q+ABjGQti50r /3JnHN/UKwPLwJCaRMcIVgRyi+IIUp/xgNAVWA/jWnvxrgJpnmnKqBRWqFiqlIi7e02g AiBu8H6I+xUMEOqQKfi7WRARyRAKVW4y6ZitR3g7VB10+sQEVwi0b2z/lePP7zmKYLRf 7tWCIZSg2sgcGzJT+IN7Hce3qrxWdmXuHuaDewOUxQS4ql3AQfFiKN3OeEzBYnmNiziK Hw4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:mime-version:date:message-id:subject:to; bh=2j/X6wCNN+V2UVgTmWb78AQ2g657v07P6OnezDhauiE=; b=mmp0FTr6rhQD7aGch0YsHuxnClGHjjjgwfw8Cx/MQcrN5615fTbZZojKWX6Ze6m3Fd V4gmraJVCISFym8L3/XLBz2+hoYLoVeIQC1pkSaMSyltLKeA2B9Bcai53FZOG/dBTut9 3xsU6X2QUewbWiPRgACGo5U0dk68SnzelyY4v8KqMhvQxLX/c1pR9NnKJJpgVQiGkolU JPxAHQGLRpGfs/y8WxTHjAvLaWy9t/kIDJQdw7xUx4pE9APbav5KrFUU1Nfk+aqeyebJ 6F7k1IEUTRnorWk3RD0nnHsOUbLYRPV8d3lg39TYA6V+G1Gu1hmPBrRPzZKCplxYGpVf OwWg== X-Gm-Message-State: AHYfb5jWTw3KrDOZGcohVyPD9sSheskNIQygE+b7QB/HURhtHN9ABTIp grItY63iWEPa9z7XiMfxrfRQbCPJPw== X-Received: by 10.223.176.21 with SMTP id f21mr1252180wra.214.1503966909650; Mon, 28 Aug 2017 17:35:09 -0700 (PDT) Received: from 1058052472880 named unknown by gmailapi.google.com with HTTPREST; Mon, 28 Aug 2017 17:35:09 -0700 From: Michael Padilla X-Mailer: Airmail Beta (447) MIME-Version: 1.0 Date: Mon, 28 Aug 2017 17:35:09 -0700 Message-ID: To: sox-users@lists.sourceforge.net X-Headers-End: 1dmUUu-0006Mw-3a Subject: =?UTF-8?B?U2944oCZcyBOb2lzZXJlZCBBbGdvcml0aG0gLSBXaGF0IGlzIGl0IGRvaW5n?= =?UTF-8?B?IGV4YWN0bHk/?= 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 Content-Type: multipart/mixed; boundary="===============5837978691570240021==" Errors-To: sox-users-bounces@lists.sourceforge.net --===============5837978691570240021== Content-Type: multipart/alternative; boundary="001a1141bee4675d130557d995fe" --001a1141bee4675d130557d995fe Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi All, I=E2=80=99m exploring Sox for the purpose of reducing background noise from recordings of people speaking. For my project this will be required for a large number of files so being able to automate this task via the command line is a huge plus and it seems that Sox accommodates this. However, I=E2=80=99ve compared some initial experiments of what Sox=E2=80= =99s Noisered can do to Audacity=E2=80=99s Noise Reduction effect and so far it seems that Au= dacity is perhaps a bit more effective. That said, I still need to play around with Sox more before I can draw any conclusions. I=E2=80=99ve looked online and in the mailing list archives and haven=E2=80= =99t been able to find any documentation/explanations of what exactly Sox=E2=80=99s Noiser= ed algorithm is doing=E2=80=A6.does anyone have an understanding of this, or h= ave a reference that they could please refer me to? I=E2=80=99m assuming that it= =E2=80=99s some version of spectral subtraction of course, but the devil is in the details and it would be great to be able to understand what Sox is doing beyond just a high-level description. Any help would be greatly appreciated! Thank you. Best, Michael --001a1141bee4675d130557d995fe Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =
Hi All,

I=E2=80=99m exploring Sox for the purpose of reducing backgr= ound noise from recordings of people speaking. For my project this will be = required for a large number of files so being able to automate this task vi= a the command line is a huge plus and it seems that Sox accommodates this.<= /div>

However, I=E2=80=99ve= compared some initial experiments of what Sox=E2=80=99s Noisered can do to= Audacity=E2=80=99s Noise Reduction effect and so far it seems that Audacit= y is perhaps a bit more effective. That said, I still need to play around w= ith Sox more before I can draw any conclusions.

I=E2=80=99ve looked online and in the mailing li= st archives and haven=E2=80=99t been able to find any documentation/explana= tions of what exactly Sox=E2=80=99s Noisered algorithm is doing=E2=80=A6.do= es anyone have an understanding of this, or have a reference that they coul= d please refer me to? I=E2=80=99m assuming that it=E2=80=99s some version o= f spectral subtraction of course, but the devil is in the details and it wo= uld be great to be able to understand what Sox is doing beyond just a high-= level description.

An= y help would be greatly appreciated!

Thank you. Best,
Michael

--001a1141bee4675d130557d995fe-- --===============5837978691570240021== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot --===============5837978691570240021== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Sox-users mailing list Sox-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sox-users --===============5837978691570240021==--