Using mathscript formula to create test sound question tia sal22

Greetings All
I'm trying to use mathscript formula to create an audio file and I'm not sure why my vi is not working. It says the data type has to be string but the graph just shows a blank line
TIA
sal22
Attachments:
mathscript formula to sound test.vi ‏274 KB

Building a waveform from a formula requires special syntax. The mathscript node is trying to output a 1-D array. Rather than trying to fold your formula into something the waveform generator can understand, I recommend just building the waveform directly.
I tested it, and did not get the straight line. Dunno if the sound is working properly, as I do not have a soundcard.
Message Edited by jasonhill on 06-16-2006 11:45 AM
Attachments:
mathscript to waveform.PNG ‏13 KB

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How can I improve quality of sound signal tia sal22

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I have a VI that plays an audio signal out of an audio card but the quality isn't that great in real time when I modify it. I can create the audio signal in mathematica 6 and it sounds great but labview has some issues can anyone recommend a way to improve the way the qualtiy of the audio signal sounds...Do I need to increase buffers or memory allocation to labview if so how can I do that.
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Attachments:
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*     This file is part of jsresources.org
* Copyright (c) 1999 - 2003 by Matthias Pfisterer
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Many thanks once again for your advice.
Before you replied, I had in the meantime asked the DBA to create test schema for 1) the application data and 2) the mobile repository, and to import the data from prod. The installation (not a standalone mobile server, but on an OAS installation) went without any problem however I noticed when I started up the enterprise manager for the OAS that there were two mobile server instances - for prod and test. Access to prod was refused, so that was ok. However the MGP of test didn't run on the test mobile server, but on the prod instance. I figured this might be a show stopper. Incidentally, I was able to pack the application with wtgpack, and deploy it successfully.
I then decided to follow your instructions (to try to understand a little more the architecture). As the installation to test would always find a repository (despite me renaming the schema to mobileadmintest), I had to delete the test repository schema in the end. I then ran an install to a previously-created empty mobileadmin schema which completed ok but there was no mention of the enterprise application data schema in the installation procedure, so I was quite confused as to how this could work.
Now when I goto the url apptest.our.org/webtogo, I get the following stacktrace:
java.lang.NullPointerException
     at oracle.lite.web.util.TaggedHtml.parse(Unknown Source)
     at oracle.lite.web.util.TaggedHtml.init(Unknown Source)
     at oracle.lite.web.WebtogoLogonPage.init(Unknown Source)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpApplication.loadServlet(HttpApplication.java:2231)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpApplication.findServlet(HttpApplication.java:4617)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpApplication.findServlet(HttpApplication.java:4541)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpApplication.getRequestDispatcher(HttpApplication.java:2821)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:740)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.AJPRequestHandler.run(AJPRequestHandler.java:299)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.AJPRequestHandler.run(AJPRequestHandler.java:187)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:230)
     at oracle.oc4j.network.ServerSocketAcceptHandler.access$800(ServerSocketAcceptHandler.java:33)
     at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:831)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)
And when I login to the OAS enterprise manager, and click on "mobileserver" in the cluster topology, it say's:
"The administrator's credentials for this OC4J instance are invalid, please set the credentials."
As I've no idea of what's going on at this stage, I insert the same password as that of OAS, but then receive the following message:
"Administrator credentials were saved but they cannot be used to make a connection. Enter new credentials or cancel."
I hope you understand this - as I certainly don't.
I seem to have worked myself into a dead-end, without understanding much of what's happening. I'd really appreciate if you could explain where I'm screwing up at this stage.
Many thanks for your patience and understanding.
Kind regards,
/j-p.

I can not export photos onto DVD. After I click export, close iPhoto, click Finder, At this point I can't find the file to burn. (copy to be used on Windows) Sorry for the lame question....new to mac

I can not export photos onto DVD. After I click export, close iPhoto, click Finder, At this point I can't find the file to burn. (copy to be used on Windows) Sorry for the lame question....new to mac

So it sounds like you are trying to burn a DVD with photos on it so the photos can be either transferred to or displayed on a Windows PC, is that correct?
For the purposes of this I am going to assume you are using iPhoto '11.
Gather the photos you want to burn to DVD in one album in iPhoto. This is not absolutely necessary but it sure makes things easier for me.
Select that album, then go to the File menu and select Export...
In the dialog that shows up, select the File Export tab. Select the setting you want to use for export. Click the Export button.
Another dialog will show up. Set the location to Desktop and click the New Folder button. Name the folder something nice and descriptive and click the Create button.
Click the OK button. Quit iPhoto as the rest of this work will be done in the Finder.
You will now have a folder on your desktop with that nice descriptive name. Find it and select it. Go to the File menu and from it select Burn "Descriptive folder name" to Disc...
Insert a blank DVD when prompted.
Let the finder complete the work and eject the disc afterwards.
That's it. Best of luck.

Extracting portions of the timeline from iMovie to create a 'Sound File'

Hello
I recently used my Cannon GL2 as a field recorder to record 16 bit audio sound effects.
I'd like to extract certain portions of the timeline to create various 'Sound Files' which will be used later (as sound effects), in either iMovie, or FCE HD.
In iMovie HD, the only method I'm familiar with to extract a portion of the timeline to a 'Sound File', is to FIRST export that portion to a Quicktime File. Then I use 'Sound Studio 2.2.4' to import the Quicktime File. In Sound Studio, I can then create either an AIFF File, or Wav File.
From there, I open iTunes, and import the Wav File. Now I convert that Wav File to an MP3 (if I need to compress the size of the file).
I know I can import Raw DV Video Files (Captures), into Garage Band, but then I can't export that edited project into a Sound File.
But I do know I can use Garage Band to edit (EQ), a portion of the timeline, then Export that portion (as I explained above). But I'm still going through some extra steps .....
With all I'm mentioned, perhaps I need to get another software program in order to eliminate a step on my way to exporting a portion of a Video timeline from either iMovie, or FCE, and get straight to creating a sound file suitable for later import back into FCE, or iMovie?
Thanx for your comments
Mike

Hey Piero
Comestah?
I'm an Italiano too My Granparents are from Bari
Well yes thank you - that certainly answered part of my question
Now I wonder if I can extract just a 'PORTION' of the timeline? I tried to insert division points without actually cutting out all the unwanted stuff, and highlighted just that portion, but the Audio Extract process reverts back to extracting the ENITIRE timeline. So I guess I'd have to actually cut and delete all the unwanted parts, then 'save as' to that NEW iMovie project reflecting just that edit in order to extract JUST that audio piece?
I wonder if the process is more precise in FCE?
Gracias
Mike

Using mathscript formula to create test sound question tia sal22

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