Re: primenumbers

Date	1999-07-09 18:53
From	J P Fitch
Subject	Re: primenumbers
	Amongst the problems are 1) I can only think of a slow algorithm 2) Csound arguments are floating point, and so you could ask for primes beyond the precision of the question On teh other hand.... one could cheat.

Date	1999-07-09 19:02
From	Anders Andersson
Subject	Re: primenumbers
	> Amongst the problems are > 1) I can only think of a slow algorithm Me to, but for I-time it wouldn't matter anyway, and it's up to the user to use it.. =D > 2) Csound arguments are floating point, and so you could ask for primes > beyond the precision of the question Well, it's only to clamp the input between 1 and 256^sizeof(int)? The thing is that I had to write a simple program myself to do this, and that was very easy, and on my 68030/50 it hardly took any time (well, for numbers in a reasonable range!) > On teh other hand.... one could cheat. Hehe! My favourite subject! =) I have a source here if someone is interested, but I'm not very skilled in math, so my implementation use the brute force method of testing the modulo of every number... Not very fast but it works.. =) Another question regarding primes: If one have an integer X.. Can you be sure that a prime exists between X and 2X? My intuition tells me this, but you can't know.. // Anders

Date	1999-07-14 14:57
From	jpff@maths.bath.ac.uk
Subject	[OT] Re: primenumbers
	From: J H Davenport > If one have an integer X.. > Can you be sure that a prime exists between X and 2X? > My intuition tells me this, but you can't know.. Yes: it's true for all X>1, even for X=1 if you allow 2 as the prime! This result is actually known as Bertrand's Postulate, and is Hardy+Wright Theorem 418. The proof is by exhaustion up to 512, and analysis thereafter. James Received: from wallace.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22094; 14 Jul 99 17:36 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by wallace.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114RzP-0007Vd-00 for jpff@maths.bath.ac.uk; Wed, 14 Jul 1999 17:34:35 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (RAA00028); Wed, 14 Jul 1999 17:32:34 +0100 (BST) Received: from deedee.ex.ac.uk by maths.ex.ac.uk; Wed, 14 Jul 1999 17:32:23 +0100 Received: (from james@localhost) by deedee.ex.ac.uk (8.9.3/8.8.8/Debian/GNU) id RAA15200 for csound; Wed, 14 Jul 1999 17:32:24 +0100 Date: Wed, 14 Jul 1999 17:32:24 +0100 From: James Andrews To: csound@maths.ex.ac.uk Subject: Re: Cscore for Perl Message-ID: <19990714173224.B15061@maths.ex.ac.uk> References: <378BD41C.16FAFAFD@rcsreg.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.3i In-Reply-To: <378BD41C.16FAFAFD@rcsreg.com>; from Tobiah on Tue, Jul 13, 1999 at 05:04:44PM -0700 Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk On Tue, Jul 13, 1999 at 05:04:44PM -0700, Tobiah wrote: > A tiny perl module with the cscore functions can > be found at: > > http://tobiah.rcsreg.com/pub/ > > There is also an excellent example of algorithmic > score generation included. Get your exciting > 3320 bytes of joy now in a compressed tar file. Other CSound perl users might be interested in the new email list for the perl MIDI module. Send a one line message to majordomo@maths.ex.ac.uk saying subscribe midiperl Received: from shaun.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22559; 14 Jul 99 21:44 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by shaun.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114VtB-0005HK-00 for jpff@maths.bath.ac.uk; Wed, 14 Jul 1999 21:44:25 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (VAA05095); Wed, 14 Jul 1999 21:40:38 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Wed, 14 Jul 1999 21:40:27 +0100 Received: from root@mail.cs.tu-berlin.de [130.149.17.13] by hermes via ESMTP (VAA06035); Wed, 14 Jul 1999 21:40:26 +0100 (BST) Received: from gmx.net (130-149-145-53.dialup.cs.tu-berlin.de [130.149.145.53]) by mail.cs.tu-berlin.de (8.9.1/8.9.1) with ESMTP id WAA10626 for ; Wed, 14 Jul 1999 22:39:53 +0200 (MET DST) Message-ID: <378CF642.950A6D02@gmx.net> Date: Wed, 14 Jul 1999 22:42:42 +0200 From: Steve Kersten Organization: K-Hornz network X-Mailer: Mozilla 4.5 [de] (Win98; I) X-Accept-Language: en MIME-Version: 1.0 To: Csound Subject: 'scheduling' scorefiles? Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by exeter.ac.uk id VAA06035 Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk Hallo. I have several questions, some of them clearly corresponding to a new user (like me): 1. Is there a way of triggering score events from within an instrument (besides the schedule opcode)? More specifically I'm wondering if it is possible to 'include' whole score files and thus be able to treat them as a single event. 2. [OT?] Have there been efforts of providing a synth engine (csound in our case) as (preferably) a netscape plugin? I think I found something similar on an MIT web page some time ago, but I believe it was SGI only. I=B4d be very glad if anyone could point me to resources on the internet or 'hardware' references. 3. Is there a version of csound (Linux/Win) which makes use of several hardware outputs in 'realtime'? If not, would such a thing be managable, especially concerning the dynamic 'real-time' positioning of the sources (e.g. depending on a 'real-time' input signal)? Lots of thanks in advance, Steve.=20 ________________________________________________________________________ K-Labz [a K-Hornz subdivision] - steve-k@gmx.net - http://w3.to/K-Hornz Received: from wallace.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22646; 14 Jul 99 22:58 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by wallace.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114X1P-0007bq-00 for jpff@maths.bath.ac.uk; Wed, 14 Jul 1999 22:56:59 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (WAA10887); Wed, 14 Jul 1999 22:56:02 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Wed, 14 Jul 1999 22:55:51 +0100 Received: from amsterdam.interport.net [199.184.165.19] by hermes via ESMTP (WAA10557); Wed, 14 Jul 1999 22:55:50 +0100 (BST) Received: from [216.164.221.113] (216-164-221-113.s113.tnt4.nyw.ny.dialup.rcn.com [216.164.221.113]) by amsterdam.interport.net (8.8.5/8.8.5) with ESMTP id RAA07811 for ; Wed, 14 Jul 1999 17:55:56 -0400 (EDT) X-Sender: jose@pop.interport.net Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Wed, 14 Jul 1999 18:03:10 -0400 To: csound@maths.ex.ac.uk From: jose halac Subject: WIN95 supercollider Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk anyone knows if there's a version of SuperCollider for Windows 95? thanks jose halac Received: from shaun.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22669; 14 Jul 99 23:14 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by shaun.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114XIL-0005IK-00 for jpff@maths.bath.ac.uk; Wed, 14 Jul 1999 23:14:29 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (XAA00727); Wed, 14 Jul 1999 23:11:32 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Wed, 14 Jul 1999 23:11:21 +0100 Received: from mail12.svr.pol.co.uk [195.92.193.215] by hermes via ESMTP (XAA10397); Wed, 14 Jul 1999 23:11:20 +0100 (BST) Received: from modem-61.conjuror.dialup.pol.co.uk ([62.136.147.61] helo=default) by mail12.svr.pol.co.uk with smtp (Exim 2.12 #1) id 114XFC-0000Sn-00; Wed, 14 Jul 1999 23:11:14 +0100 Message-ID: <009701bece46$9a24fb20$3d93883e@default> From: Richard Bowers To: "Matt J. Ingalls" Cc: csound Subject: Re: Audio file lengths Date: Wed, 14 Jul 1999 23:09:29 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.5 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk Sounds good, Matt. It gets my vote and thanks! Richard Bowers. >it should be easy enough to convert sndinfo into an opcode- >i could see either one opcode with a bunch of outputs >or a bunch of opcodes with one output. > >i could make these if noone else is... >-matt > > Received: from wallace.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22709; 14 Jul 99 23:47 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by wallace.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114Xmw-0007cK-00 for jpff@maths.bath.ac.uk; Wed, 14 Jul 1999 23:46:06 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (XAA15770); Wed, 14 Jul 1999 23:44:46 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Wed, 14 Jul 1999 23:44:36 +0100 Received: from root@renoir.op.net [209.152.193.4] by hermes via ESMTP (XAA14411); Wed, 14 Jul 1999 23:44:34 +0100 (BST) Received: from someip.ppp.op.net (d-bm2-17.ppp.op.net [209.152.194.55]) by renoir.op.net (o1/$Revision: 1.18 $) with ESMTP id SAA15906; Wed, 14 Jul 1999 18:44:27 -0400 (EDT) Message-Id: <199907142244.SAA15906@renoir.op.net> To: Steve Kersten cc: Csound Subject: Re: 'scheduling' scorefiles? In-reply-to: Your message of "Wed, 14 Jul 1999 22:42:42 +0200." <378CF642.950A6D02@gmx.net> Date: Wed, 14 Jul 1999 18:52:20 -0400 From: Paul Barton-Davis Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk >3. Is there a version of csound (Linux/Win) which makes use of several >hardware outputs in 'realtime'? If not, would such a thing be managable, >especially concerning the dynamic 'real-time' positioning of the sources >(e.g. depending on a 'real-time' input signal)? this is hard because the crystal clocks even on nominally identical soundcards don't run at the same speed - after some amount of time, the outputs are out of step. its not impossible to work around it, but its not easy either, particular if you want to do it in real time and with low latency. --p Received: from shaun.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22742; 15 Jul 99 0:17 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by shaun.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114YHB-0005KE-00 for jpff@maths.bath.ac.uk; Thu, 15 Jul 1999 00:17:21 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (AAA05738); Thu, 15 Jul 1999 00:15:11 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Thu, 15 Jul 1999 00:15:00 +0100 Received: from jaguars-int.cableinet.net [193.38.113.9] by hermes via SMTP (AAA05667); Thu, 15 Jul 1999 00:14:59 +0100 (BST) Received: (qmail 6777 invoked from network); 14 Jul 1999 23:10:46 -0000 Received: from unknown (HELO cableinet.co.uk) (194.117.146.175) by jaguars with SMTP; 14 Jul 1999 23:10:46 -0000 Message-ID: <378D1B83.5066B96B@cableinet.co.uk> Date: Thu, 15 Jul 1999 00:21:39 +0100 From: Richard Dobson Organization: Composers Desktop Project X-Mailer: Mozilla 4.51 [en] (WinNT; I) X-Accept-Language: en MIME-Version: 1.0 To: Csound Subject: Re: 'scheduling' scorefiles? References: <199907142244.SAA15906@renoir.op.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk The Windows version doesn't have code to open multiple cards anyway. However, the number of channels is passed directly to the MME driver, so that if a real multi-channel card is available, Csound should be able to use it up to as many channels as they both support. I will be trying this very thing out at home soon, using the Creamware Pulsar. As latency is generally determined by buffer sizes in bytes, it may be somewhat better for quad streams and higher, than it is for mere stereo. I understand that m/c drivers are planned for Linux, for cards such as the Sonorus STUDI/O - but how imminent they are, I don't know. Richard Dobson Paul Barton-Davis wrote: > > >3. Is there a version of csound (Linux/Win) which makes use of several > >hardware outputs in 'realtime'? If not, would such a thing be managable, > >especially concerning the dynamic 'real-time' positioning of the sources > >(e.g. depending on a 'real-time' input signal)? > > this is hard because the crystal clocks even on nominally identical > soundcards don't run at the same speed - after some amount of time, > the outputs are out of step. its not impossible to work around it, but > its not easy either, particular if you want to do it in real time > and with low latency. > > --p -- Test your DAW with my Soundcard Attrition Page! http://wkweb5.cableinet.co.uk/rwd (LU: 6th July 1999) CDP: http://www.bath.ac.uk/~masjpf/CDP/CDP.htm (LU: 14th June 1999) Received: from wallace.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22772; 15 Jul 99 0:31 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by wallace.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114YTl-0007ev-00 for jpff@maths.bath.ac.uk; Thu, 15 Jul 1999 00:30:21 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (AAA16760); Thu, 15 Jul 1999 00:28:31 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Thu, 15 Jul 1999 00:28:21 +0100 Received: from sm1.texas.rr.com [24.93.35.54] by hermes via ESMTP (AAA12812); Thu, 15 Jul 1999 00:28:19 +0100 (BST) Received: from [24.28.85.54] ([24.28.85.54]) by mail.austin.rr.com with Microsoft SMTPSVC(5.5.1875.185.18); Wed, 14 Jul 1999 18:27:48 -0500 X-Sender: asynth@mail.io.com Message-Id: In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Wed, 14 Jul 1999 18:24:35 -0600 To: jose halac , csound@maths.ex.ac.uk From: James McCartney Subject: Re: WIN95 supercollider Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk At 4:03 PM -0600 7/14/99, jose halac wrote: >anyone knows if there's a version of SuperCollider for Windows 95? > >thanks > >jose halac no there's not.. BeOS is a likely target on intel, but not win. --- james mccartney james@audiosynth.com http://www.audiosynth.com If you have a PowerMac check out SuperCollider2, a real time synth program: Received: from shaun.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa22810; 15 Jul 99 1:07 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by shaun.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114Z40-0005LQ-00 for jpff@maths.bath.ac.uk; Thu, 15 Jul 1999 01:07:48 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (BAA12898); Thu, 15 Jul 1999 01:04:38 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Thu, 15 Jul 1999 01:04:27 +0100 Received: from smtp4.mindspring.com [207.69.200.64] by hermes via ESMTP (BAA08113); Thu, 15 Jul 1999 01:04:25 +0100 (BST) Received: from Realizer (user-2ive36s.dialup.mindspring.com [165.247.12.220]) by smtp4.mindspring.com (8.8.5/8.8.5) with SMTP id UAA32241; Wed, 14 Jul 1999 20:04:24 -0400 (EDT) Message-ID: <001401bece55$e4d41980$79d496c0@Realizer.ngt.sungard.com> From: Michael Gogins To: Steve Kersten , Csound Subject: Re: 'scheduling' scorefiles? Date: Wed, 14 Jul 1999 20:06:30 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.1 X-Mimeole: Produced By Microsoft MimeOLE V4.72.3110.3 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by exeter.ac.uk id BAA08113 Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk My version of Csound, AXCsound, can serve as an ActiveX plugin. Check out http://www.pipeline.com/~gogins. It can also be found in the summer issue= of the on-line Csound magazine, which you can find from the MIT Csound Front Page at http://mitpress.mit.edu/e-books/csound/frontpage.html. I am working on a new version of AXCsound which will be more robust, have more capabilities, and serve as more of a Java Bean. The main new feature will be that it will plug into the JavaSound APIs. I am reasonably confid= ent that I will also be able to adapt this code to produce a VST version 2 plugin shortly after Steinberg releases the VST 2 SDK. -----Original Message----- From: Steve Kersten To: Csound Date: Wednesday, July 14, 1999 4:41 PM Subject: 'scheduling' scorefiles? Hallo. I have several questions, some of them clearly corresponding to a new user (like me): 1. Is there a way of triggering score events from within an instrument (besides the schedule opcode)? More specifically I'm wondering if it is possible to 'include' whole score files and thus be able to treat them as a single event. 2. [OT?] Have there been efforts of providing a synth engine (csound in our case) as (preferably) a netscape plugin? I think I found something similar on an MIT web page some time ago, but I believe it was SGI only. I=B4d be very glad if anyone could point me to resources on the internet or 'hardware' references. 3. Is there a version of csound (Linux/Win) which makes use of several hardware outputs in 'realtime'? If not, would such a thing be managable, especially concerning the dynamic 'real-time' positioning of the sources (e.g. depending on a 'real-time' input signal)? Lots of thanks in advance, Steve. ________________________________________________________________________ K-Labz [a K-Hornz subdivision] - steve-k@gmx.net - http://w3.to/K-Hornz Received: from wallace.maths.bath.ac.uk by omphalos.maths.Bath.AC.UK id aa23631; 15 Jul 99 9:28 BST Received: from [144.173.6.14] (helo=exeter.ac.uk) by wallace.maths.bath.ac.uk with esmtp (Exim 2.12 #1) id 114gqk-0007rq-00 for jpff@maths.bath.ac.uk; Thu, 15 Jul 1999 09:26:38 +0100 Received: from noether [144.173.8.10] by hermes via SMTP (JAA11407); Thu, 15 Jul 1999 09:23:43 +0100 (BST) Received: from exeter.ac.uk by maths.ex.ac.uk; Thu, 15 Jul 1999 09:23:32 +0100 Received: from smtp03.wxs.nl [195.121.6.37] by hermes via ESMTP (JAA16602); Thu, 15 Jul 1999 09:23:31 +0100 (BST) Received: from tref.nl ([195.121.56.108]) by smtp03.wxs.nl (Netscape Messaging Server 3.61) with ESMTP id AAA1568 for ; Thu, 15 Jul 1999 10:22:55 +0200 Message-ID: <378CF0E5.BB0FAAD9@tref.nl> Date: Wed, 14 Jul 1999 22:19:49 +0200 From: Hans van den Tillaart X-Mailer: Mozilla 4.5 [en] (Win95; I) X-Accept-Language: en MIME-Version: 1.0 To: Csound Mailinglist Subject: Piano sound characteristics Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-csound-outgoing@maths.ex.ac.uk Precedence: bulk Hello, I want to know as much there is on piano sound characteristics. I am trying to emulate piano or pianolike sounds in CSOUND. Which formants are there in play? Do they alter when you increase velocity and or playing from low to high? What does exactly change in the spectrum when velocity is increased? How does the sound evolve over time when looking at the spectrum , attackfase release? Sure there are more characteristics when trying to emulate ... wich? Is there software for investigating formants? Many thanks in advance!! Greetings Hans van den Tillaart.