Raed sound file problem

Hi when I use Sound File Read Simple function to read a wav file I get the following message and it carshes LabVIEW :
Exception: Access violation (0xC0000005) at EIP=0x74AD464C
I can playback the file without any problem in Media player
Could you please let help me on this .
Thanks

Hi Tintin_99,
It is hard to tell what may be causing the error simply from the crash report error. Would it be possible to show us your code which you are using to open and read the sound file?
Also, how big is this sound file?
Kind Regards,
Laurence C.
Senior Test Development Engineer
Dyson Ltd

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Hi Tintin_99,
It is hard to tell what may be causing the error simply from the crash report error. Would it be possible to show us your code which you are using to open and read the sound file?
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hello,
I did not find a specific answer to my question in most of the archives and so I am posting here.
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there are many such items on the screen and so it is expected that when the mouse entered from the mouse listener is fired, the sound must play.
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Problem with playing a sound file.

Hi,
I simply want to play a sound by a button click. I imported
<AVFoundation/AVAudioPlayer.h>. The code block is here:
In .h file:
#import <UIKit/UIKit.h>
#import <AVFoundation/AVAudioPlayer.h>
@interface PlaySoundViewController : UIViewController <AVAudioPlayerDelegate>
in .m file:
-(IBAction)btnPlay:(id)sender
 //Get the filename of the sound file:
 NSString *path = [[NSBundle mainBundle] pathForResource:@"REC001" ofType:@"MP3"];
 AVAudioPlayer* thePlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:NULL];//error here as it will compile if I commented it (and two line after) out.
 thePlayer.delegate = self;
 [thePlayer play];
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Hi Mark,
Thanks for the reply. Based on your instruction, I checked and I can see the sound files in Build Phases. The location is ".../PlaySound/SoundFiles/REC001.MP3". I don't know why it ignores folder "Resource Files". I guess that is the way it is as I also can see other images in different folders which are shown properly in the project.
The detailed error message is here:
Ld "/Users/greatzhi2001/Library/Developer/Xcode/DerivedData/PlaySound-anydnuuxbpxz lqfodwbuqqjwjzcd/Build/Products/Debug-iphonesimulator/PlaySound.app/PlaySound" normal i386
 cd "/Users/greatzhi2001/Desktop/iProjects/PlaySound"
 setenv MACOSX_DEPLOYMENT_TARGET 10.6
 setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr /bin:/usr/bin:/bin:/usr/sbin:/sbin"
 /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/llvm-gcc-4.2 -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3 .sdk -L/Users/greatzhi2001/Library/Developer/Xcode/DerivedData/PlaySound-anydnuuxbpx zlqfodwbuqqjwjzcd/Build/Products/Debug-iphonesimulator -F/Users/greatzhi2001/Library/Developer/Xcode/DerivedData/PlaySound-anydnuuxbpx zlqfodwbuqqjwjzcd/Build/Products/Debug-iphonesimulator "-F/Users/greatzhi2001/Desktop/iProjects/PlaySound" -filelist "/Users/greatzhi2001/Library/Developer/Xcode/DerivedData/PlaySound-anydnuuxbpxz lqfodwbuqqjwjzcd/Build/Intermediates/PlaySound.build/Debug-iphonesimulator/PlayS ound.build/Objects-normal/i386/PlaySound.LinkFileList" -mmacosx-version-min=10.6 -Xlinker -objc_abi_version -Xlinker 2 -framework UIKit -framework Foundation -framework CoreGraphics -o "/Users/greatzhi2001/Library/Developer/Xcode/DerivedData/PlaySound-anydnuuxbpxz lqfodwbuqqjwjzcd/Build/Products/Debug-iphonesimulator/PlaySound.app/PlaySound"
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_AVAudioPlayer", referenced from:
 objc-class-ref in PlaySoundViewController.o
ld: symbol(s) not found for architecture i386
collect2: ld returned 1 exit status
Is the framework AVFoundation I added wrong? Thanks.
Regards,
Taizhi

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at java.awt.Container.processEvent(Container.java:1569)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
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at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
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Alternatively, you could package the sound with the code in a JAR. It does mean a bigger download for your Applet users though, but the Applet would be able to access the file quickly.
If you put your file in the JAR, say in /sound/myfile.ext , then you can get access to it from your code like this:
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We launched our Italian Course late November and had a not dissimilar sort of problem reported by a customer. He's tried uninstalling & re-installing the software but the fault keeps re-occurring. The computer displays a "not responding" message. Debugging, we discovered that the message appears when trying to play the initial mp3 file (fixed bit rate) … the program does eventually continue but without playing the sound file. It then keeps hanging (there are thousands of sound files in our course), and none of the sound files play: text & pictures are displaying normally. Eventually the program freezes and has to be killed with ctrl+alt+delete.
The computer in question is a Dell Inspiron 580s, & the operating system Windows 7 Home Premium 64 bit. I’m awaiting details of the sound card & confirmation that his drivers are up-to-date but I presume they will be (Windows 7 default is to keep drivers updated). I haven’t got the customer to carry out basic tests sound file tests yet, but he indicates no problems with Media Player or with iTunes.
Extras in our XTRAS folder include:-
AWMP3.X32
MIX32.X32
MIXVIEW.X32
NETFILE.X32
SWADCMPR.X32
VIEWSVC.X32
INETURL.X32
FLASHASSET/FLASHAST.X32
The database for our Italian course is now in ProgramData. (previous courses, database was in Program Files and run in XP compatible mode). We’re having problems with this location with Windows 7 64 bit … it is maintaining a copy in Virtual Store and updating the file there. No such problem with XP, Vista or Windows 7 32 bit. I see this as an unrelated problem. We got the customer to run the software in XP mode but the problem was not corrected.
We do have customers successfully running our software on Windows 7 64 bit operating system computers; we had a minor ODBC glitch reported recently from a 64 bit user.
Any suggestions would be appreciated.

Tom,
I concur with Steve that this is probably system-specific. A couple of things you may want to try:
1. Be sure you're using the Xtras that came with Authorware 7.02 and not 6.5. For example, I believe mixview.x32 and viewsvc.x32 were updated in Authorware 7.
2. Try making a little AW program with 4 or 5 buttons that each trigger an imported MP3 file, where each audio file has different output settings (e.g. mono vs stereo, 64kbps vs. 92 kbps, etc.). Package it up and send it to the Dell user to test it. You may stumble upon an audio output setting that works on that particular machine.
Steve Gannon
GanTek Multimedia

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compile this file first....
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
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import java.io.IOException;
import java.io.File;
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import javax.sound.sampled.TargetDataLine;
import javax.sound.sampled.AudioFormat;
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 m_outputFile = file;
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 recorder.stopRecording();
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 out("VoicePasswordRecorder: usage:");
 out("\tjava VoicePasswordRecorder -h");
 out("\tjava VoicePasswordRecorder <audiofile>");
 System.exit(0);
 private static void out(String strMessage)
 System.out.println(strMessage);
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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import javax.sound.sampled.*;
import javax.swing.*;
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 recorder = null;
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}I intend to use this for verifying the username, password and a voice password over the web....as shown in the following code...
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta http-equiv="Content-Language" content="en-us">
<title>Home Page</title>
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<meta name="Microsoft Theme" content="artsy 011, default">
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</html>I will be very grateful if somebody could help me out....as this is my first time at java programming ....also my first time for using this forum!
Thanks,
Regards,
Mayur Patel

Hi
I Learned how to read a file text and Parse as StringTokenizer. But still i don't know how to read the Individual tokens into to database.
But now i face a new Problem, i am not able to sort it out.
i am posting my code
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.PrintWriter;
import java.io.IOException;
import java.io.*;
import java.util.*;
public class CSVExample {
 public static void main(String[] args) throws IOException {
 BufferedReader inputStream = null;
 PrintWriter outputStream = null;
 try {
 inputStream = new BufferedReader(new FileReader("file.csv"));
 String text;
 while((text=inputStream.readLine())!= null)
 StringTokenizer st = new StringTokenizer(text);
 if(st.hasMoreTokens())
 System.out.println(st.nextToken());
 } finally {
 if (inputStream != null) {
 inputStream.close();
}Here the Problem is The file.csv has got two fields ID, NAME The content of this file is as follows
T12,MR.RAJ KUMAR
T13,MR.EARNEST DIES
T14,MR.MATHEW HYDEN
Now when i StringTokenize this File The Output printed as follows
T12,MR.RAJ
T13,MR.EARNEST
T14,MR.MATHEW
That means when it finds the Space it is not printing the Remaining Text.
Please Help me in this and then Tell me how to INSER The Tokens into the Database Table
Thank you for your service
Cheers
Jofin

Need to play and stop sound file with 1 ms resolution

Hi,
I'm trying to open a .wav file then later play it at a time when another parallel loop activates a boolean local variable which controls playback in my "sound" loop. I need high time resolution in stopping the playing of the .wav file, ~1ms. From what I've gathered, I can't use the "sound output write.vi" because it locks the loop until it finishes outputting a set number of samples. Because of this, "sound output stop.vi" has to wait until the next iteration, which is more than ~1 ms.
In the help menu of the Sound Ouput VIs it says you can set the task ID for the "sound output start.vi" using the "sound output configure.vi." Unfortunately I've only been able to use the "sound output start.vi" following "play sound file.vi", and I don't really know why this is the case.
I can't start my sound with the "play sound file.vi" because it locks the loop its in until it finishes playing the sound. Oddly this only happens when there is a parallel loop running, if I run it by itself, with no other loops, it doesn't lock the loop. I thought it might have something to do with the local variable, but the loop doesn't lock when the loop restarts the sound using the "sound output start.vi."
After opening a .wav file, can i use the "sound output configure.vi" to create a task ID for the "sound output start.vi" to work? Or do I have to use the "sound output write.vi" after calling the "sound output configure.vi." The help menu makes it seem like the prior suggestion is possible.
Thanks a lot!

Since it sounds like the problem you're running into is getting the data loaded from the file before you're ready to play it, look at the Files sub-palette, specifically the Sound File Read Simple VI. You can use this VI to load the data into a waveform and have it ready for use later in the program.
So in your overall program, read the file with Sound File Read Simple and configure the output with Sound Output Configure and call Sound Output Write when you're ready to play the waveform.
Alex Person
NI-RIO Product Support Engineer
National Instruments

Raed sound file problem

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