Multiple programs playing sound

I'm having a problem with multiple sounds playing at once. I guess it's not really a problem... more of an inconvenience.
I'm trying to setup awesome, and I can't play music and watch mplayer at the same time. Why would I want to do that? I have no idea, but I want to be able to
I just booted into KDE, and there isnt a problem, I can have amarok, mpd, and mplayer all playing things at the same time. I'm guessing this has to do with the arts server in kde? How would one go about having it work in awesome? I've read the wiki about multiple sounds playing at once, but that didn't help.

Actually that probably is the problem... I noticed that mplayer was using oss to play files. But mpd uses alsa, so shouldnt they be able to co-mingle?
UPDATE: That fixed it! Weird that mplayer would use alsa by default in kde and oss by default here? Just one more question, is there a way to set mplayer's default to alsa?
Last edited by heleos (2008-05-25 07:09:09)

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Having problem making my program play the sound i want it to play...

Ok, im new at this so bare with me (and my spelling)...
i've been trying to make my program play a musicfile during the actual program... and trust me, i've tried so many times...
after the last try i get the errormessage "cannot find symbol" for 2 things...
import javax.swing.*;
import javax.sound.sampled.*;
import java.io.*;
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symbol : class URL
location: class iwish (at the U) ^
AudioClip sound = JApplet.newAudioClip(new URL("file://C:\\Program\\Java\\jdk1.6.0_02\\bin\\iwish1.wav"));
^
am I making any sense?! =) what have i done wrong?

ok, thank you,
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import javax.swing.*;
import javax.sound.sampled.*;
import java.io.*;
import java.net.*;
import java.net.URL.*;
import java.applet.*;
import java.applet.AudioClip.*;
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I changed the "e" to a "j" in the "catch (MalformedURLException j)" since I was using the e in one of my strings...
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[admin@LenovoPC ~]$ cat /proc/asound/cards
0 [Generic ]: HDA-Intel - HD-Audio Generic
HD-Audio Generic at 0x90244000 irq 42
1 [SB ]: HDA-Intel - HDA ATI SB
HDA ATI SB at 0x90240000 irq 16
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snd_hda_codec_conexant 39073 1
snd_hda_codec_hdmi 19967 1
snd_hda_intel 19020 6
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soundcore 4993 1 snd
snd_page_alloc 5805 2 snd_hda_intel,snd_pcm

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How do I hear Garageband in multitask? I am playing guitar in GB using Apogee Jam. Would like to read lyrics in Safari while hearing guitar in background. But I can only hear GB when it is the active program. Sound stops if I switch to another app.

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How to play sound when a page is gernerated? Thank you for any suggestion.

Why would you want to do that? Remember that the servlet runs on the web server, which is probably in a room full of computers. Nobody will be there to hear it, and if somebody does hear it they will just think it is a problem.
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This is what I found from the logs:
Jul 18 21:38:34 arch pulseaudio[946]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jul 18 21:38:34 arch pulseaudio[946]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
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Jul 19 00:53:54 arch pulseaudio[946]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
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Jul 20 02:35:47 arch pulseaudio[963]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 02:35:47 arch pulseaudio[963]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 12:22:05 arch pulseaudio[981]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 12:22:05 arch pulseaudio[981]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 12:22:05 arch pulseaudio[981]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
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Jul 21 14:33:44 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 21 14:33:44 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
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Jul 22 01:58:04 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
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Jul 22 02:20:11 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
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And yes I have gstreamer.
Last edited by nerdster (2011-07-26 00:35:45)

Play sound in specified duration and desired file when reading data with VISA functions ?

Hi.
I read data with VISA read function and then I use functions like multiple for showing data on Chart. every thing is OK.
now I want play a specified sound (like a 3s song in my desired folder) when signal amplitude cross over from specified value. then after desired time, it will be wait for new cross over from specified value and this procedure repeat again until I stop the program.
Data comes from MCU and it doesn't stop when system play sound and when system play sound, incoming data for this part (play sound) will be ignore them until specified expired.
I use this VI for reading data and mentioned part which is sound part is empty and I don't know what I must done ?
altougth I use another while loop for sound apart because I want save CPU time.
Thanks.
Solved!
Go to Solution.

I would recommend making the data type of the notifier a cluster that contains a path and a numeric (double). The path tells the player which file to play. The numeric is the duration.
Now for a slightly complicated, but really neat, way to stop your second loop. Do not use a second notifier. Instead, send the normal notification but use Not A Path for the path in the cluster. Your second loop can do a check for the Not A Path and stop when that is recieved.
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Unofficial Forum Rules and Guidelines

[solved] Problems with multiple applications running sound...

Multiple programs on my system are unable to use sound at the same time. When any two programs that are supposed to output sound run together, the program that started the output first prevents the other from outputing. I read the Wiki page on ALSA, but have had no luck so far in identifying the problem. I do believe that I am using alsa, as the sound of the program with sound does change as I adjust the alsa mixer volumes.
This started happening when I reinstalled arch this moring with XFCE (I needed to add more space to root partition and replace my DE, and fealt it would be easiest to just reinstall the OS.) In the few days I was using KDE, the sound worked fine. I also previously used Ubuntu on this system in which the sound worked fine.
I am inclined to believe that It is either something I have not configured properly (however I did not do anything to sound setup in the KDE install) or a package that did not install with XFCE, but does with KDE-base.
EDIT: Also, If the sounds are coming from the same application they can both play, IE I can hear 2 youtube videos at the same time but not a youtube video and VLC or Skype.
Last edited by unr3st (2011-05-31 08:26:28)

brebs wrote:
Run fuser.
Lots of info in my ~/.asoundrc
Here is the output,
[unrest@Uberschlecht ~]$ fuser -v /dev/snd/* /dev/dsp*
Specified filename /dev/dsp* does not exist.
USER PID ACCESS COMMAND
/dev/snd/controlC0: unrest 1423 F.... pulseaudio
unrest 1483 f.... xfce4-mixer-plu
unrest 1541 F.... plugin-containe
/dev/snd/pcmC0D0p: unrest 1541 F...m plugin-containe
/dev/snd/timer: unrest 1541 F.... plugin-containe
There are no process in /dev/dsp
It may be worth adding that I had no .asoundrc in my home directory
I have also just discovered that flash seems to be the program that causes the interferences, as VLC and Skype run fine together. I am going to try the instructions by Karol, reboot, and report the results.

Help with playing sound in applications

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import javax.swing.*;
import java.applet.AudioClip;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
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import java.net.URL;
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}can u please tell me whats wrong with my code coz i cant hear no sound when i press the play button and can u please tell me why i cant simply put the file name in the URL instead of the complete path although the files are in the same directory of the source code and can i play mp3 using this little program ???
plz help...im a newbie so plz explain as much as u can...

After
musicList = new AudioClip[7];
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        musicList[1] = JApplet.newAudioClip(url1);
        musicList[2] = JApplet.newAudioClip(url2);
        musicList[3] = JApplet.newAudioClip(url3);
        musicList[4] = JApplet.newAudioClip(url4);
        musicList[5] = JApplet.newAudioClip(url5);
        musicList[6] = JApplet.newAudioClip(url6);initialise the variable current with
current = musicList[1];or similar because the AudioClip current always == null in your code so your listener blocks don`t execute.
regards

Help! My phone will not play sound when an app is open?!

Seemingly out of the blue, my iPhone stopped playing sound through the external speaker. This began about a month or two ago and I have been unable to fix the problem. The sound will play through the external speaker until I open another app (safari, camera, etc.). The sound used to work through headphones until this morning. Now the sound won't work... At all! I brought my phone to an apple store a week ago and the first guy checked my phone with a flashlight and told me first that there didn't seem to be any water damage. Then, some other technician helped me. He opened iTunes and miraculously, the song played! I couldn't believe it was magically working. He explained that it looked like my dock connector was looking a little eroded and that is why the sound doesn't work. He said he could try to brush it out and that should fix the problem. Tried my phone later... Volume doesn't work anymore! The dock connector works fine otherwise, I am still able to charge my phone. My phone will not play music via bluetooth speaker. I talked to multiple people on the phone who all seem to think it's a software problem... I am really not understanding what is going on with my phone! I have googled this problem many times in the last few months and most people say that it turned out to be a software issue. I have checked both water indicators (in the dock connector and the headphone plug, right?) with a flashlight and I don't see any red... Any insight or ways to fix this would be very appreciated! The whole thing makes no sense to me.

Are you using an APple charger or a thrid-party one? I ask because if you are using a third party charger, it may not be wired properly and it may be telling your iPhone that the cable connected is also an audio interface so your iPhone may be sending the audio signals through the cable to the charger. I have a charger in my truck that also doubles as an FM transmitter so I can play my iPhone audio through the truck radio. Your charger may be doing something similar, especially if it is not an Apple charger.

Error while playing sound file in Applet

Hi!!
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java.security.AccessControlException: access denied (java.util.PropertyPermissio
n user.dir read)
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401)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:524)
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Thanks in advance.
Regards,
Amish

Are you loading your Applet from a webserver? You could make the sound file available through the same webserver.
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:
URL soundURL = getClass().getResource( " /sound/myfile.ext" );

60gb no longer plays sound!

So all of a sudden out of the blue, my 60gb made this god awful screeching sound and quit playing any sound out of both the headphone jack and port. The ipod still plays the song and everything on the screen looks normal, but just no sound will come out of it. I tried resetting multiple times and still nothing. Is it shot and now I need to buy a new one?

I have had the same problem with my 30 gig iPod video. It started having some problems about 2 weeks ago (mid May) here and there with a screeching noise, but would later clear up. Then one day, it just quit playing sound. It was playing songs, but no audio. No headphones, no sound dock - NADA! I did my 5 R's etc., but no luck. This went on for 2 weeks, then I saw a post from someone that said it started happening to their Ipod when the weather got warmer. So, I know it sounds stupid, but I decided to put it in the refrigerator for about 25 minutes or so. It was nice and cool, and bibbity bobbity boo! It immediately worked on the sound dock for about 3 songs, then a nice screeching/static sound, and no sound again, but it was still playing. Back to the refrigerator again for 10 minutes, and as if Whirlpool manufactures fairy dust, I am hearing Octopus's Garden (that's the Beatles BTW) in beautiful full sound. It would seem, if common sense is a reality, that there is an internal cooling problem. Try it out and let me know if this works for you.

How do you open/play a .wav file (music file) without play sound file .vi

I am having big problems to create a music background for my project. I am newbie using labview and maybe my questions is not so dificult to solve (I hope so)
I was using play sound file vi but the problem is that I dont want the music file start automatically. I wanna control the start time using a button. I tried include a sound output stop but when the app start and I add more wav files in my vi, the sound file start, then stop abruptally because the stop vi and the everything is normal. I would like to eliminate that error.
Someone have any idea, maybe using open file or another way.
Thanks in advance
I add a screenshot of my vi and also the vi in this post
Attachments:
test sound.vi ‏11 KB

I leave an example that can provide, use it in your program
Atom
Certified LabVIEW Associate Developer
Attachments:
playsound.zip ‏58 KB

Embedded QuickTime files not playing sound

I'm having trouble getting older, embedded QuickTime files to play properly. Many of them do play but without sound.
An example:
The embedded QuickTime files in questions 6 and 10 here...
http://www.linguistics.ucla.edu/people/schuh/lx001/Web_Quizzes/Quiz_07/07web.htm l
...do not play sound.
When viewing the files directly...
Example: http://www.linguistics.ucla.edu/people/schuh/lx001/Web_Quizzes/Quiz_07/07_Quiz_m edia/0706_split_brain_red.mov
...the sound plays properly.
I have done a bit of playing around on a few different machines and have found the following:
2009 MacBook Pro: video and sound play correctly in Safari and Firefox
OS X: 10.7.5
Safari: 6.1.6
Firefox: 36.0 with QuickTime Plugin ?
QuickTime 7: ?
QuickTime X:10.1
2009 Mac Mini: video and sound play correctly in Safari and Firefox
OS X: 10.8.5
Safari: 6.2.3
Firefox: 33.1 with QuickTime Plugin 7.7.1
Firefox: 36.0.1 with QuickTime Plugin 7.7.1
QuickTime 7: 7.6.6
QuickTime X: 10.2
2011 Mac Mini: video and sound play correctly in Safari and Firefox
OS X: 10.9.5
Safari: 7.1.3
Firefox: 31.0 with QuickTime Plugin 7.7.1
Firefox: 36.0.1. With QuickTime Plugin 7.7.3
QuickTime 7: 7.6.6
QuickTime X: 10.3
2011 iMac: no sound in videos, improper display of video with menu in both Safari and Firefox
OS X: 10.10.2
Safari: 8.0.3
Firefox: 36.0.1 with QuickTime Plugin 7.7.3
QuickTime 7: 7.6.6
QuickTime X: 10.4
2011 Mac Pro: no sound in videos, improper display of video with menu in both Safari and Firefox
OS X: 10.10.2
Safari: 8.0.3
Firefox: 36.0.1 with QuickTime Plugin 7.7.3
QuickTime 7: 7.6.6
QuickTime X: 10.4
Is this a Yosemite issue? Not being able to play older QuickTime 7 files properly? I'm not sure what else the issue could be since everything seems to work fine in 10.7, 10.8, and 10.9 (unfortunately, I have been unable to test this in 10.10 or 10.10.1). Maybe I'm overcomplicating a simple issue? Any help would be greatly appreciated.
Thanks!

Is this a Yosemite issue? Not being able to play older QuickTime 7 files properly? I'm not sure what else the issue could be since everything seems to work fine in 10.7, 10.8, and 10.9 (unfortunately, I have been unable to test this in 10.10 or 10.10.1). Maybe I'm overcomplicating a simple issue? Any help would be greatly appreciated.
Some very interesting observations which peaked my own curiosity due to on-again, off-again nature of the playback. I suspect this is either a "bug" or represents content handling changes that are currently in the process of "evolving." Not a web site programmer so I used iWeb to run some contrast-comparison tests on how audio was handled by the plug-in software when directly accessing the content by its URL and via the page embed strategies. My results mirrored yours in that:
1) All legacy codecs tested (A-Law, IMA, QDM2, QPV, and u-Law) in an MOV file container played correctly in the QT 7 player.
2) The same files all played correctly when content was accessed by the plug-in software directly using the URL reference.
3) None of the files containing legacy audio compression formats would play audio using the plug-in software using a web page embedding strategy.
4) An MP4 (H.264/AAC) version of you original clip played correctly in all instances.
5) Replacing your QDM2 audio track with an AAC audio track in the original MOV file allowed the file to play correctly in all instances.
Based on these observations, I suspect the problem is in the way the software is currently programmed to handle (or rather ignore) the embedded strategy content. However, as you indicated, it is probably time to update your files. Not only did the H.264/AAC version of your original file play in all instances, but it used less than 45% of the file space/bandwidth for the settings I employed as compared to your original "0706_split_brain_red.mov" original file.

Multiple programs playing sound

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