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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>To start with, i have no idea, but i would suggest, if you must go this way, to look up how to set other subobjects of slides. With all the "set" manoeuvres and tons of code, I try to avoid. But once you're able to attach a different sound to your slide, you should be able to preload it.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>1) While it is true that pre-loading can be of use, I believe having a sound object (like a soundout device, etc), will automatically add the preloading bit. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>2) have you actually checked to see whether the timing errors are to worry about? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>3) it should be possible to have sub-millisecond accurate simultaneous audio and video WHILST they are sequentially placed in the procedure. To do this, just add a sound before your slide, set its duration (and don't use sync), to 0, and make sure it continues playing after the soundout thing stops. If there's a timing error, you can easily add x microseconds of silence at the beginning of the sound file. Presto!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>You might get better results from using uncompressed audio and video files, though, and if the timing delay is really stable, you could always make the preceding interval smaller.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>Best,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'>Michiel<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> e-prime@googlegroups.com [mailto:e-prime@googlegroups.com] <b>On Behalf Of </b>terhi helminen<br><b>Sent:</b> 02 December 2012 22:37<br><b>To:</b> e-prime@googlegroups.com<br><b>Subject:</b> pre-loading items in Slide object<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I have tried to preload soundfiles and moviefiles of a slide object in the beginning of the trial to decrease timing delay. (I can't use prerelease in my experiment.)<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I found a good example of preloading stimuli from <a href="http://imaging.mrc-cbu.cam.ac.uk/imaging/EprimeTiming">http://imaging.mrc-cbu.cam.ac.uk/imaging/EprimeTiming</a> :<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>----<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>This example shows how to preload soundfiles: <o:p></o:p></p><pre>'Get the soundbuffer from the soundout object<o:p></o:p></pre><pre>Dim SBuffer as SoundBuffer<o:p></o:p></pre><pre>Set SBuffer = SoundOut1.Buffers(1)<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>'Assign the new filename (where Stimulus is name of attribute on list that lists sound files)<o:p></o:p></pre><pre>SBuffer.Filename = c.GetAttrib("Stimulus")<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>'Instruct the object to load the sound contents into its internal structures<o:p></o:p></pre><pre>SoundOut1SoundBuffer.Load <o:p></o:p></pre><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>And here’s how to preload images: <o:p></o:p></p><pre>'Retrieve the image filename from the Context<o:p></o:p></pre><pre>Dim strImageFileName As String<o:p></o:p></pre><pre>strImageFileName = c.GetAttrib("imagefilename")<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>'Assign the new filename and instruct the object<o:p></o:p></pre><pre>'to load the image<o:p></o:p></pre><pre>ImageDisplay1.Filename = strImageFileName<o:p></o:p></pre><pre style='margin-bottom:12.0pt'>ImageDisplay1.Load<br><br>---<o:p></o:p></pre><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>However, I didn't succeed in doing the same when the sound file and the movie files are subobjects of a slide object. Could somebody help me with this? Thank you in advance!<o:p></o:p></p><pre>Terhi<o:p></o:p></pre><p class=MsoNormal>-- <br>You received this message because you are subscribed to the Google Groups "E-Prime" group.<br>To post to this group, send email to <a href="mailto:e-prime@googlegroups.com">e-prime@googlegroups.com</a>.<br>To unsubscribe from this group, send email to <a href="mailto:e-prime+unsubscribe@googlegroups.com">e-prime+unsubscribe@googlegroups.com</a>.<br>For more options, visit <a href="https://groups.google.com/groups/opt_out">https://groups.google.com/groups/opt_out</a>.<br> <br> <o:p></o:p></p></div></body></html>
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