Interesting.&nbsp; I pretty much always use ksmps = 1 so I should be getting the best timing possible.&nbsp; Rounding errors look less likely to be the reason for the discontinuity with that information.<br><br>Here is a sample csd file that demonstrates the problem while removing as much extranious code as possible.&nbsp; You will need to look at this in a wave editor to see the breakpoint graphed out.<br>
<br>&lt;CsoundSynthesizer&gt;<br>&lt;CsVersion&gt;<br>&lt;/CsVersion&gt;<br>&lt;CsOptions&gt;<br>-W -o &quot;test.wav&quot;<br>&lt;/CsOptions&gt;<br>&lt;CsInstruments&gt;<br>sr&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 44100<br>ksmps&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 1<br>nchnls&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 1<br>
<br>instr 2<br>kout&nbsp;&nbsp;&nbsp; linseg&nbsp;&nbsp;&nbsp; p4, p3, p5<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; out&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; a(kout) * 2000<br>endin<br>&lt;/CsInstruments&gt;<br>&lt;CsScore&gt;<br>t&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 120<br><br>i2&nbsp;&nbsp;&nbsp; 8.875&nbsp;&nbsp;&nbsp; 0.375&nbsp;&nbsp;&nbsp; .95&nbsp;&nbsp;&nbsp; 1.05<br>i2&nbsp;&nbsp;&nbsp; 9.25&nbsp;&nbsp;&nbsp; 3.625&nbsp;&nbsp;&nbsp; 1.05&nbsp;&nbsp;&nbsp; 1.1<br>
i2&nbsp;&nbsp;&nbsp; 12.875&nbsp;&nbsp;&nbsp; 0.375&nbsp;&nbsp;&nbsp; 1.1&nbsp;&nbsp;&nbsp; 1.2<br>i2&nbsp;&nbsp;&nbsp; 13.25&nbsp;&nbsp;&nbsp; 4.375&nbsp;&nbsp;&nbsp; 1.2&nbsp;&nbsp;&nbsp; 1.3<br>i2&nbsp;&nbsp;&nbsp; 17.625&nbsp;&nbsp;&nbsp; 0.375&nbsp;&nbsp;&nbsp; 1.3&nbsp;&nbsp;&nbsp; 1.45<br>i2&nbsp;&nbsp;&nbsp; 18&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp; 1.72&nbsp;&nbsp;&nbsp; 2.42<br>i2&nbsp;&nbsp;&nbsp; 20&nbsp;&nbsp;&nbsp; 0.75&nbsp;&nbsp;&nbsp; 2.42&nbsp;&nbsp;&nbsp; 2.47<br>i2&nbsp;&nbsp;&nbsp; 20.75&nbsp;&nbsp;&nbsp; 0.25&nbsp;&nbsp;&nbsp; 2.47&nbsp;&nbsp;&nbsp; 2.7<br>
i2&nbsp;&nbsp;&nbsp; 21&nbsp;&nbsp;&nbsp; 0.87&nbsp;&nbsp;&nbsp; 3.1&nbsp;&nbsp;&nbsp; 3.2<br>i2&nbsp;&nbsp;&nbsp; 21.87&nbsp;&nbsp;&nbsp; 0.13&nbsp;&nbsp;&nbsp; 3.2&nbsp;&nbsp;&nbsp; 3.33<br>i2&nbsp;&nbsp;&nbsp; 22&nbsp;&nbsp;&nbsp; 0.2&nbsp;&nbsp;&nbsp; 3.33&nbsp;&nbsp;&nbsp; 3.39<br>i2&nbsp;&nbsp;&nbsp; 22.2&nbsp;&nbsp;&nbsp; 1.8&nbsp;&nbsp;&nbsp; 3.39&nbsp;&nbsp;&nbsp; 3.45<br>i2&nbsp;&nbsp;&nbsp; 24&nbsp;&nbsp;&nbsp; 0.1&nbsp;&nbsp;&nbsp; 3.45&nbsp;&nbsp;&nbsp; 3.49<br>i2&nbsp;&nbsp;&nbsp; 24.1&nbsp;&nbsp;&nbsp; 0.9&nbsp;&nbsp;&nbsp; 3.49&nbsp;&nbsp;&nbsp; 3.6<br>i2&nbsp;&nbsp;&nbsp; 25&nbsp;&nbsp;&nbsp; 0.2&nbsp;&nbsp;&nbsp; 3.6&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 3.64<br>
i2&nbsp;&nbsp;&nbsp; 25.2&nbsp;&nbsp;&nbsp; 1.6&nbsp;&nbsp;&nbsp; 3.64&nbsp;&nbsp;&nbsp; 3.7<br>i2&nbsp;&nbsp;&nbsp; 26.8&nbsp;&nbsp;&nbsp; 0.2&nbsp;&nbsp;&nbsp; 3.7&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 3.85<br>i2&nbsp;&nbsp;&nbsp; 27&nbsp;&nbsp;&nbsp; 0.52&nbsp;&nbsp;&nbsp; 3.94&nbsp;&nbsp;&nbsp; 4.2<br>i2&nbsp;&nbsp;&nbsp; 27.52&nbsp;&nbsp;&nbsp; 0.88&nbsp;&nbsp;&nbsp; 4.2&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 4.25<br>i2&nbsp;&nbsp;&nbsp; 28.4&nbsp;&nbsp;&nbsp; 0.6&nbsp;&nbsp;&nbsp; 4.25&nbsp;&nbsp;&nbsp; 4.6<br>&lt;/CsScore&gt;<br>&lt;/CsoundSynthesizer&gt;<br>
<br>You can see that not every breakpoint has the dip to zero, but some of them do.&nbsp; If you move the starting positions, however, most of the dips disappear.&nbsp; The following csd demonstrates this.<br><br>&lt;CsoundSynthesizer&gt;<br>
&lt;CsVersion&gt;<br>&lt;/CsVersion&gt;<br>&lt;CsOptions&gt;<br>-W -o &quot;test.wav&quot;<br>&lt;/CsOptions&gt;<br>&lt;CsInstruments&gt;<br>sr&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 44100<br>ksmps&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 1<br>nchnls&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 1<br><br>instr 2<br>kout&nbsp;&nbsp;&nbsp; linseg&nbsp;&nbsp;&nbsp; p4, p3, p5<br>
<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; out&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; a(kout) * 2000<br>endin<br>&lt;/CsInstruments&gt;<br>&lt;CsScore&gt;<br>t&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 120<br><br>i2&nbsp;&nbsp;&nbsp; .875&nbsp;&nbsp;&nbsp; 0.375&nbsp;&nbsp;&nbsp; .95&nbsp;&nbsp;&nbsp; 1.05<br>i2&nbsp;&nbsp;&nbsp; 1.25&nbsp;&nbsp;&nbsp; 3.625&nbsp;&nbsp;&nbsp; 1.05&nbsp;&nbsp;&nbsp; 1.1<br>i2&nbsp;&nbsp;&nbsp; 4.875&nbsp;&nbsp;&nbsp; 0.375&nbsp;&nbsp;&nbsp; 1.1&nbsp;&nbsp;&nbsp; 1.2<br>
i2&nbsp;&nbsp;&nbsp; 5.25&nbsp;&nbsp;&nbsp; 4.375&nbsp;&nbsp;&nbsp; 1.2&nbsp;&nbsp;&nbsp; 1.3<br>i2&nbsp;&nbsp;&nbsp; 9.625&nbsp;&nbsp;&nbsp; 0.375&nbsp;&nbsp;&nbsp; 1.3&nbsp;&nbsp;&nbsp; 1.45<br>i2&nbsp;&nbsp;&nbsp; 10&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp; 1.72&nbsp;&nbsp;&nbsp; 2.42<br>i2&nbsp;&nbsp;&nbsp; 12&nbsp;&nbsp;&nbsp; 0.75&nbsp;&nbsp;&nbsp; 2.42&nbsp;&nbsp;&nbsp; 2.47<br>i2&nbsp;&nbsp;&nbsp; 12.75&nbsp;&nbsp;&nbsp; 0.25&nbsp;&nbsp;&nbsp; 2.47&nbsp;&nbsp;&nbsp; 2.7<br>i2&nbsp;&nbsp;&nbsp; 13&nbsp;&nbsp;&nbsp; 0.87&nbsp;&nbsp;&nbsp; 3.1&nbsp;&nbsp;&nbsp; 3.2<br>i2&nbsp;&nbsp;&nbsp; 13.87&nbsp;&nbsp;&nbsp; 0.13&nbsp;&nbsp;&nbsp; 3.2&nbsp;&nbsp;&nbsp; 3.33<br>
i2&nbsp;&nbsp;&nbsp; 14&nbsp;&nbsp;&nbsp; 0.2&nbsp;&nbsp;&nbsp; 3.33&nbsp;&nbsp;&nbsp; 3.39<br>i2&nbsp;&nbsp;&nbsp; 14.2&nbsp;&nbsp;&nbsp; 1.8&nbsp;&nbsp;&nbsp; 3.39&nbsp;&nbsp;&nbsp; 3.45<br>i2&nbsp;&nbsp;&nbsp; 16&nbsp;&nbsp;&nbsp; 0.1&nbsp;&nbsp;&nbsp; 3.45&nbsp;&nbsp;&nbsp; 3.49<br>i2&nbsp;&nbsp;&nbsp; 16.1&nbsp;&nbsp;&nbsp; 0.9&nbsp;&nbsp;&nbsp; 3.49&nbsp;&nbsp;&nbsp; 3.6<br>i2&nbsp;&nbsp;&nbsp; 17&nbsp;&nbsp;&nbsp; 0.2&nbsp;&nbsp;&nbsp; 3.6&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 3.64<br>i2&nbsp;&nbsp;&nbsp; 17.2&nbsp;&nbsp;&nbsp; 1.6&nbsp;&nbsp;&nbsp; 3.64&nbsp;&nbsp;&nbsp; 3.7<br>i2&nbsp;&nbsp;&nbsp; 18.8&nbsp;&nbsp;&nbsp; 0.2&nbsp;&nbsp;&nbsp; 3.7&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 3.85<br>
i2&nbsp;&nbsp;&nbsp; 19&nbsp;&nbsp;&nbsp; 0.52&nbsp;&nbsp;&nbsp; 3.94&nbsp;&nbsp;&nbsp; 4.2<br>i2&nbsp;&nbsp;&nbsp; 19.52&nbsp;&nbsp;&nbsp; 0.88&nbsp;&nbsp;&nbsp; 4.2&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 4.25<br>i2&nbsp;&nbsp;&nbsp; 20.4&nbsp;&nbsp;&nbsp; 0.6&nbsp;&nbsp;&nbsp; 4.25&nbsp;&nbsp;&nbsp; 4.6<br>&lt;/CsScore&gt;<br>&lt;/CsoundSynthesizer&gt;<br><br>Thanks for the help.<br><br><div class="gmail_quote">On Thu, Feb 21, 2008 at 12:25 PM,  &lt;<a href="mailto:jpff@cs.bath.ac.uk">jpff@cs.bath.ac.uk</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Yes, the resolution of score events, notes starting and stopping is always<br>
based on kr<br>
==John ff<br>
<div><div></div><div class="Wj3C7c"><br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>Electronically,<br>Jeff Taylor