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  • No audio in my ubuntu system

    - by hap497
    Hi, I am running ubuntu 9.10. But there is no sound in my environment. When I go to System-Preference, there is no 'sound' entry there. $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: I82801AAICH [Intel 82801AA-ICH], device 0: Intel ICH [Intel 82801AA-ICH] Subdevices: 1/1 Subdevice #0: subdevice #0 $ lsmod Module Size Used by usb_storage 52576 3 binfmt_misc 8356 1 vboxvfs 34620 0 vboxvideo 1884 1 drm 159584 2 vboxvideo agpgart 34988 1 drm snd_intel8x0 30168 2 snd_ac97_codec 101216 1 snd_intel8x0 ac97_bus 1532 1 snd_ac97_codec snd_pcm_oss 37920 0 snd_mixer_oss 16028 1 snd_pcm_oss snd_pcm 75296 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd_seq_dummy 2656 0 snd_seq_oss 28576 0 iptable_filter 3100 0 snd_seq_midi 6432 0 ip_tables 11692 1 iptable_filter x_tables 16544 1 ip_tables snd_rawmidi 22208 1 snd_seq_midi snd_seq_midi_event 6940 2 snd_seq_oss,snd_seq_midi ppdev 6688 0 snd_seq 50224 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event snd_timer 22276 2 snd_pcm,snd_seq snd_seq_device 6920 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq psmouse 56500 0 serio_raw 5280 0 snd 59204 14 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_ oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_ti mer,snd_seq_device i2c_piix4 9932 0 parport_pc 31940 0 soundcore 7264 1 snd snd_page_alloc 9156 2 snd_intel8x0,snd_pcm vboxguest 143836 7 vboxvfs lp 8964 0 parport 35340 3 ppdev,parport_pc,lp pcnet32 32644 0 mii 5212 1 pcnet32 floppy 54916 0 ~:987:2$ lspci 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) 00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] 00:01.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01) 00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter 00:03.0 Ethernet controller: Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE] (rev 40) 00:04.0 System peripheral: InnoTek Systemberatung GmbH VirtualBox Guest Service 00:05.0 Multimedia audio controller: Intel Corporation 82801AA AC'97 Audio Controller (rev 01) 00:06.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB 00:07.0 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 0 00:0b.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller ~:988:3$

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  • I can play "test" sounds, but no other audio works

    - by Callum
    I'm running Windows XP, and last night my PC was infected by a frustrating virus (one of those viruses that won't let you open virus checkers, etc). I finally killed it 2 hours later, but it involved some heavy duty anti-dote. One side effect is my audio is now gone. Except it's not entirely gone, because when I open the Realtek HD Audio Manager in the task bar, I can play all the "test" sounds. The speakers, the sound card, etc, are therefore working fine. But things like YouTube or Windows Media Player, there's no sound. I'm guessing there's a setting that needs to be reconfigured somewhere.. but where? Maybe relevant: One thing I did do last night was "play" with the system registry. Any help would be greatly appreciated. Thanks. SOLVED! The two hour battle with my computer virus resulted in my computer permanently thinking it was in Safe Mode, regardless of how it booted up. I was able to "fix" this by following the post by hsandler in this thread: http://www.petri.co.il/forums/showthread.php?t=23032&page=2 I then rebooted.. and let me tell you, the Windows Startup music has never sounded so sweet. Thanks to all, especially James, whose advice gave me a major clue as to what the problem was.

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  • Downmix surround to Dolby Pro-Logic at the OS/driver level in Windows 7?

    - by davr
    First off, I'm talking about Dolby Pro-Logic, a really old tech for encoding 4 audio channels (L/R/C/SR) into two analog outputs, and then extracting them again. It was used in surround sound systems in the last century. I have a modern PC that can output 5.1 analog audio (Three outputs on the back carry six channels of audio). But I have a really old surround sound reciever that only has a two-channel, L/R input, which it extracts 4 channels of audio from, and outputs to 5.1 speakers. What I want is some way for the OS, Windows 7, to act as if I really had 5.1 audio channels available, so applications produce surround audio, but before outputting it out of the back of my PC, apply Dolby Pro-Logic matrix encoding so that it outputs over only two channels. These two channels would then get sent to my receiver via a RCA cable, which would decode it again and drive the surround speakers. Is anything like this possible? I'm pretty sure I could do it at an application / codec level, but I'm looking for something that I just have to set once.

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  • Is there a good book or articles to learn about 2D Game Design and Effects?

    - by user28015
    I am not looking for a read how to develop games and how to implement one. I am looking for a general about possible effects in 2D Games and about general design of modern 2D gaming. I have programmed several smaller games over the years and also read books like "Golden Rules of Game Programming" by Martin Bronwlo. So I know how to implement games. What I am looking for are 2 things: Finishing touches such as effects like explosions, particles etc. Not how to make them, but how to design them so it looks right and cool. How to make a 2D game feel "more right" so that users get a satisfying gaming experience. I played a lot of 2D games but I could use some more advice.

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  • Audio stream mangement in Linux

    - by User1
    I have a very complicated audio setup for a project. Here's what we have: 3 applications playing sound 2 applications recording sound 2 sound cards I really don't really have the code to any of these applications. All I want to do is monitor and control the audio streams. Here are a few examples of operations I'd like to do while the applications are running: Mute one of the incoming audio streams. Have one of the incoming audio streams do a "solo" (be the only stream that can "talk"). Get a graph (about 30 seconds worth) of the audio that each stream produced. Send one of the audio streams to soundcard #1, but all three audio streams to soundcard #2. I would likely switch audio streams every 2 minutes or so with one of the operations listed above. A GUI would be preferred. I started looking at the sound systems in Linux and it gets extremely complex and I feel like there have been many new advances in the past few years. I see jack, pulseaudio, artsd, and several other packages. They all have some promise but where should I start? Is there something someone already built that can help?

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  • Silverlight 4 MediaElement play sound

    - by NealWalters
    I converted a local sound file to a resource, which built this in my XAML: <UserControl.Resources> <my:Uri x:Key="SoundFiles">file:///c:/Audio/HebrewDemo/Shalom.wav</my:Uri> </UserControl.Resources> I did this by pasting a local disk mp3 filename into source, then clicked on the "dot" by source and chose "Extract Value to Resource". When I run, it tells me that "Uri" is not valid, and sure enough, in the Intellisense, I see other elements that start with "uri" but not just URI by itself. In the real world I want to specify a dynamic mp3 file name. For example, I might have a database of foreign language words used for flashcards, I want to play a sound file on a URL. But I thought I would try to walk before running...

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  • Delay in playing a beep sound

    - by iSharreth
    -(IBAction)playSound{ AVAudioPlayer *myExampleSound; NSString *myExamplePath = [[NSBundle mainBundle] pathForResource:@"myaudiofile" ofType:@"caf"]; myExampleSound =[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:myExamplePath] error:NULL]; myExampleSound.delegate = self; [myExampleSound play]; } I want to play a beep sound when a button is clicked. I had used the above code. But it is taking some delay in playing the sound. Anyone please help.

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  • playing only part of a sound using FMOD

    - by carneades
    I'm trying to play only part of a sound using FMOD, say frames 50000-100000 of a 200000 frame file. I have found a couple of ways to seek forward (i.e. to start playback at frame 50000) but I have not found a way to make sure the sound stops playing at 100000. Is there any way FMOD can natively do this without having to add lbsndfile or the like into the picture? I should also mention that I am using the streaming option. I have to assume that these sounds are arbitrarily large and cannot be comfortably/quickly loaded into memory.

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  • Play Sound while UIImageView animating crashes the app?

    - by Rahul Vyas
    Hello all, I am having a strange problem in my app. I am creating a app in which i have 9 buttons on the view i want to play sound and animation same time. I am using UIImageview for this but i am having starnge behaviour sometimes sound play early and then animation runs.So how do i play them at same time? I am also having crash on device on a specific animation in which i have 60 jpg files. So what's the best way to do this?

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  • Using system Sound to play sounds

    - by Shoaibi
    Here is the code: -(void)stop { NSLog(@"Disposing Sounds"); AudioServicesDisposeSystemSoundID (soundID); //AudioServicesRemoveSystemSoundCompletion (soundID); } static void completionCallback (SystemSoundID mySSID, void* myself) { NSLog(@"completion Callback"); } - (void) playall: (id) sender { [self stop]; AudioServicesAddSystemSoundCompletion (soundID,NULL,NULL, completionCallback, (void*) self); OSStatus err = kAudioServicesNoError; NSString *aiffPath = [[NSBundle mainBundle] pathForResource:@"slide1" ofType:@"m4a"]; NSURL *aiffURL = [NSURL fileURLWithPath:aiffPath]; err = AudioServicesCreateSystemSoundID((CFURLRef) aiffURL, &soundID); AudioServicesPlaySystemSound (soundID); NSLog(@"Done Playing"); } Output: Disposing Sounds Done Playing In actual no sound gets play at all and completion call back isn't called as well. Any idea what could be wrong here? I want to stop any previous sound before playing current.

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  • vb.net Is there a simple way to add a sound to a button click

    - by user867621
    Is there a simple way of doing this I found this online and I am getting an error Declare Function apisndPlaySound Lib "winmm" Alias "sndPlaySoundA" _ (ByVal filename As String, ByVal snd_async As Long) As Long Function PlaySound(ByVal sWavFile As String) ' Purpose: Plays a sound. ' Argument: the full path and file name. If apisndPlaySound(sWavFile, 1) = 0 Then MsgBox("The Sound Did Not Play!") End If End Function A call to PInvoke function 'WindowsApplication3!WindowsApplication3.Module1::apisndPlaySound' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature.

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  • Java playback of 24 bit audio is incorrect

    - by Paul Hampson
    I am using the javax sound API to implement a simple console playback program based on http://www.jsresources.org/examples/AudioPlayer.html. Having tested it using a 24 bit ramp file (each sample is the last sample plus 1 over the full 24 bit range) it is evident that something odd is happening during playback. The recorded output is not the contents of the file (I have a digital loopback to verify this). It seems to be misinterpreting the samples in some way that causes the left channel to look like it is having some gain applied to it and the right channel looks like it is being attenuated. I have looked into whether the PAN and BALANCE controls need setting but these aren't available and I have checked the windows xp sound system settings. Any other form of playback of this ramp file is fine. If I do the same test with a 16bit file it performs correctly with no corruption of the stream. So does anyone have any idea why the Java Sound API is modifying my audio stream?

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  • Free sounds for iPhone games.

    - by Roger Gilbrat
    I'm looking for a good source for sound effects for my iPhone game. I like SoundSnap, but they charge you for every sound you download, not just the ones you end up using. Sound design in games can be a very iterative process and I don't want to pay for 10 sounds I never use before finding the right one. freesound.org is another really good site, but they are all CC licensed and can't be used in commercial games. It's unclear if a free iPhone App is considered commercial (or if my final game will be free). Googling for this returns a huge number of pay sites with horrible web pages. I don't mind paying for sounds, but I want to pay for what I use. Any good personal recommendations?

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  • Java stop MIDI playback

    - by user456268
    Hi I have java application which plays midi messages from sequence. I'm doing this using jfugue library. the problem is when I'm tryingto stop playback with stop button (which call sequencer.stop() and sequencer.close()) the last played note is sound all of rest time, and I can't stop it. So I'm asking about solution about stopping all audio and MIDI too! sound playback from java application. Notice: If you want propose just mute volume, you need to know that I want end-use will be able to press play button again and hear the sound again, so muting volumr will be not a solution, or explain please. Thank you!

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  • Disabling the soundcard for a specific user

    - by Ron
    Does anyone know how to disable the soundcard when a particular user logs on to Windows XP? My last pair of speakers was blown by an inconsiderate user and I want to disable the sound to the speakers only when a particular user logs on. The PC has multiple users logged on (one of which is me).

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  • iTunes mono play?

    - by Seth Glickman
    I've got a set of speakers, but one of them doesn't work. Is there any way to get iTunes to output to mono, but with both channels? I'm on Leopard, and going to System Preferences - Sound - Output and sliding the Balance all the way to one side doesn't help, as it doesn't combine the channels.

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  • Volume keys not working after installing Silverlight

    - by terry
    I downloaded Silverlight for Safari to use Netflix. This download has caused my MacBook's volume keys to become non-functional, although I can still change volume through the icon in the menu bar or through system preferences. When I press the keys to change the volume, the transparent volume icon appears on the screen with a circle-slash icon at bottom center. Does anyone know how to make the keys functional again? I deleted Silverlight but still no sound.

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