From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS6130 216.105.38.0/24 X-Spam-Status: No, score=-3.0 required=3.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 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 43DD220248 for ; Thu, 28 Mar 2019 16:21:01 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1h9Xlw-0007hn-Py; Thu, 28 Mar 2019 16:20:56 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1h9Xlv-0007ha-Av for sox-users@lists.sourceforge.net; Thu, 28 Mar 2019 16:20:55 +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:From: MIME-Version:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=8LSI9Nzc494i90IjRii8oj7/6bfyUi/9X22Qxhbi1t8=; b=anPUMJPg1CXUAT6Ue6qLdn6cmt JYEMR0gKUNs4+/gl2g8O4zzlFrN/Rzjh2rVIOT5SKkEEWwnAUwnoLbS/fnbFyW0I6qVyR6BSHiGbT PCc3wNKtBMqpq+McXnHZdWV9BpeZvHTzpyugf2w3a73tSbj15MeEsC97gpbvszkEmWWk=; 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:From:MIME-Version:Sender:Reply-To :Cc:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=8LSI9Nzc494i90IjRii8oj7/6bfyUi/9X22Qxhbi1t8=; b=S u35d1d61nTVX2GuTkkxS7oPmA35Tm6nYhSs6LzbV8GdctMq6uBpNSMV1YDZS1D2/zC1mmx960wGcj 4DQDn23Z6LX2QSc0ZyENKbjSiqk/sSHKfl0XzzXmQHv/xbJbcdX4WC1w5+hSYDPe3dfntFgcmgjSV CW/H0t3TsV1/Pqzw=; Received: from mail-it1-f171.google.com ([209.85.166.171]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.90_1) id 1h9Xlt-00FB5v-SG for sox-users@lists.sourceforge.net; Thu, 28 Mar 2019 16:20:55 +0000 Received: by mail-it1-f171.google.com with SMTP id y63so6959145itb.5 for ; Thu, 28 Mar 2019 09:20:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=8LSI9Nzc494i90IjRii8oj7/6bfyUi/9X22Qxhbi1t8=; b=QcDblCQnQHhv0+G4Rx6LEoLStf0kQf+63BkHyJUoMbmI7woATltPMGob75qvSNF0ss daxbucyB1C/Wt10rafcm1BOSSmQb6H7xrz/LEns+voe38AccvVbw4kfzVUccBArKYoYS zZzAQniptdSGjkK5ei67V593zeei02culdLjg55QrKHGHRXYCI/UvWRgfQawdbau3bZ1 MBl5AT0EdkfUPL+m9ZzjJIcrlZnuI9y0yfisZMzI0UYE4X/1KZLYc/j4pXc/3V2H/OPu pA6OWedvf57mNL07HngDHDPz4SytQfiSNQsUZPh+VYRmHFV4H8A2Py7HEaJIf3CNaH+y fyvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=8LSI9Nzc494i90IjRii8oj7/6bfyUi/9X22Qxhbi1t8=; b=RRONzNSllZDQ3swlaUQK/6i5hg/lD3PLRbZTpICGEHCDpMS98baNQjjpYWkZCpz7us A/jCqN2BVCy/NEH6QcAkCwpRDz2gvO6WljzPGVlhLG4KlfYaaU93vxk65cwOnlZzjpw8 Ol/0+bfapJtbd3iGJJCqs1y7RWvlcTURTfjoRw0zsBg0TRhH0QOaC1GEauRtMeC3YlOR KOsLaghsvP8Ie4dJu+qsW7Lgq24d9pfQltuZ2GP0L8scWZJ+bgqcs8opLx+TyJwC3fcX v0hIi4SqdGH9EahuC5GTOvZJV9OiAVymdiv8kTDu7MJcmk5TxC1wiTf1iacwlyyHFecj GpXg== X-Gm-Message-State: APjAAAVXLqRJlP5HmPyQCCW/mH2LMBwaSjmObvFMRDVTe0/WaH7LE9MG AfrYaT3TMZ3tpAnU0Rgl9toFMd1qblzFZB9mgkwud8YO3XY= X-Google-Smtp-Source: APXvYqzic5y2FlzQmdwAIaTZ4xEL37aXUy6m3Ocm6PreXA6os/qrzr5dV6j4Oxfv8NDsMDKOmvTuojfZSdT3d2Hdxks= X-Received: by 2002:a05:660c:111:: with SMTP id w17mr714986itj.62.1553790047594; Thu, 28 Mar 2019 09:20:47 -0700 (PDT) MIME-Version: 1.0 From: Jonathan H Date: Thu, 28 Mar 2019 16:20:20 +0000 Message-ID: To: sox-users@lists.sourceforge.net X-Headers-End: 1h9Xlt-00FB5v-SG Subject: Tempo operates on files very slowly. Is there a quicker way? 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: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: sox-users-bounces@lists.sourceforge.net Example 13 minute vbr mp3 file: mp3 > mp3 = 18 seconds conversion time mp3 > mp3 tempo -s 1.5 = 27 seconds conversion time While I love Sox very much and I appreciate that there's more processing to do with "tempo", I've got a LOT of files to time-squeeze and I was wondering if there was a faster way of doing this? Happy to use another tool for this (Ubuntu). I found "soundstretch" but that just does wav > wav. I know I could use something like https://gist.github.com/NigelThorne/100996 but that's mp3 > wav > soundstrech > wav > mp3. Many thanks. _______________________________________________ Sox-users mailing list Sox-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sox-users