From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Brad Holland | Muzik Liberated Newsgroups: gmane.comp.audio.sox.devel Subject: dev request Date: Sun, 8 Sep 2013 17:11:17 -0400 Message-ID: Reply-To: sox-devel@lists.sourceforge.net NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Content-Type: multipart/mixed; boundary="===============6521677830590852850==" X-Trace: ger.gmane.org 1378674695 23818 80.91.229.3 (8 Sep 2013 21:11:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 8 Sep 2013 21:11:35 +0000 (UTC) To: "sox-devel@lists.sourceforge.net" Original-X-From: sox-devel-bounces@lists.sourceforge.net Sun Sep 08 23:11:38 2013 Return-path: Envelope-to: gcasd-sox-devel@m.gmane.org Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of muzikliberated.com designates 50.16.184.168 as permitted sender) client-ip=50.16.184.168; envelope-from=brad@muzikliberated.com; helo=mail.muzikliberated.com; X-Footer: bXV6aWtsaWJlcmF0ZWQuY29t X-Mailer: Apple Mail (2.1508) X-Spam-Score: 0.5 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 1.0 HTML_MESSAGE BODY: HTML included in message 1.0 RDNS_DYNAMIC Delivered to internal network by host with dynamic-looking rDNS X-Headers-End: 1VImGT-0005xZ-Eq X-BeenThere: sox-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: sox-devel-bounces@lists.sourceforge.net Xref: news.gmane.org gmane.comp.audio.sox.devel:326 Archived-At: Received: from lists.sourceforge.net ([216.34.181.88]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VImGf-0001Mv-J5 for gcasd-sox-devel@m.gmane.org; Sun, 08 Sep 2013 23:11:37 +0200 Received: from localhost ([127.0.0.1] helo=sfs-ml-4.v29.ch3.sourceforge.com) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1VImGX-0005Lc-CK; Sun, 08 Sep 2013 21:11:29 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1VImGV-0005LW-9O for SoX-devel@lists.sourceforge.net; Sun, 08 Sep 2013 21:11:27 +0000 Received: from ec2-50-16-184-168.compute-1.amazonaws.com ([50.16.184.168] helo=mail.muzikliberated.com) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1VImGT-0005xZ-Eq for SoX-devel@lists.sourceforge.net; Sun, 08 Sep 2013 21:11:27 +0000 Received: from [192.168.1.89] ([108.240.138.207]) (authenticated user brad@muzikliberated.com) by mail.muzikliberated.com (Kerio Connect 7.4.1) (using TLSv1/SSLv3 with cipher AES128-SHA (128 bits)) for SoX-devel@lists.sourceforge.net; Sun, 8 Sep 2013 17:11:18 -0400 --===============6521677830590852850== Content-Type: multipart/alternative; boundary="Apple-Mail=_29660285-C85F-4B29-B121-88441204CEBA" --Apple-Mail=_29660285-C85F-4B29-B121-88441204CEBA Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hey Guys,=20 Since you are sox developers we thought that you may well be the best = people to talk to. We are looking for a small script (perhaps using sox) that scans a raw = audio file and applies some modulation to the audio file which amplifies = the content at specific points (when the signal is lower than -6db) and = continues to do this every time the sound does this throughout its = decay. This is to combat 8-bit sample artifacts when creating custom roms for a = drum machine. (Alesis HR-16). There is a special ASIC chip in this = machine that detects a 6db spike in a waveform and the chip then turns = down the gain -6db in essence, by keeping the amplitude of the waveform = above the noise floor inherent in an 8-bit audio data you are able to = achieve much higher fidelity in short decaying 'drum shot' type sounds. We are a community of enthusiasts for the machine, although none of us = could code anything like this. We'd be willing to pay/donate to the = project or an individual to knock us up a bit of code to convert this.. A much more in-depth explanation of the process we need to accomplish is = written in this post:http://www.burnkit2600.com/diy-sound-roms/ =20 If someone is interested in helping us with this please get back to me!=20= Cheers Brad= --Apple-Mail=_29660285-C85F-4B29-B121-88441204CEBA Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Hey = Guys, 
Since you are sox developers we thought that you may = well be the best people to talk to.
We are looking for a small = script (perhaps using sox) that scans a raw audio file and applies some = modulation to the audio file which amplifies the content at specific = points (when the signal is lower than -6db) and  continues to do = this every time the sound does this throughout its = decay.

This is to combat 8-bit sample artifacts = when creating custom roms for a  drum machine. (Alesis HR-16). = There is a special ASIC chip in this machine that detects a 6db spike in = a waveform and the chip then turns down the gain -6db in essence, by = keeping the amplitude of the waveform above the noise floor inherent in = an 8-bit audio data you are able to achieve much higher fidelity in = short decaying 'drum shot' type sounds.

We are = a community of enthusiasts for the machine, although none of us could = code anything like this. We'd be willing to pay/donate to the project or = an individual to knock us up a bit of code to convert = this..

A much more in-depth explanation of the = process we need to accomplish is written in this post:http://www.burnkit2600= .com/diy-sound-roms/  

If someone = is interested in helping us with this please get back to = me! 

Cheers
Brad
= --Apple-Mail=_29660285-C85F-4B29-B121-88441204CEBA-- --===============6521677830590852850== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------------ Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! Discover the easy way to master current and previous Microsoft technologies and advance your career. Get an incredible 1,500+ hours of step-by-step tutorial videos with LearnDevNow. Subscribe today and save! http://pubads.g.doubleclick.net/gampad/clk?id=58041391&iu=/4140/ostg.clktrk --===============6521677830590852850== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ SoX-devel mailing list SoX-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sox-devel --===============6521677830590852850==--