Playing Video but no Audio?

I have all three Divx, Xvid and 3vix installed. Fist I couldnt see any vide, then I installed 3vix. The video is playing now but there is no audio.
Anybody help.

You probably need an ac3 audio encoder. .AVI's are sometimes packaged with this audio codec. It's free here
http://www.insaneness.com/ac3.html
Good Luck.
Brian

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QT + MPEG-2 plays video but no audio

I'm trying to play mpeg-2 videos that were created by my video camera. I've got QT 10.0 running on OS X 10.6.4. I found QT didn't recognize .mpg, so I purchased the mpeg-2 playback component. With it installed, I can now view my .mpg videos but they have no sound. What am I doing wrong?
I'm a apple rookie, be gentle

Just to document what I've found so far. I tried installing QT 7, the MPEG-2 addition from apple again. It would still play video but no audio. Unfortunately, the test mpeg-2 from apple support DID work, which indicated I must have something wrong with my file. However, this is one of 250+ files I have recorded from my digital camcorder and they play on any number of Windows players without issue.
I then tried Perian codecs since I found references it would address a similar problem. I tried VCD and MPEG Tools from BurningThumb. I tried mpeg screenclip. I also tried changing my Audio Midi setup to 2ch-16 bit from 2ch-24 bit. All to no avail.
In the process I found that my .mpg files and .avi files had the same problem. Both played video fine but neither had audio. I then installed VLC and presto! All worked as they were supposed to!
I still don't know why QT won't play it--it seems like it should.

Quicktime plays video but no audio

Trying to play Quicktime videos from Prentice Hall website associated with textbook. Browser has up-to-date Quicktime plug-in and when tested there is video and audio. But when video is played from selected website, there is video but no audio. Tested using Google Chrome, Internet Explorer and Mozilla Firefox but results are the same.

Jacumba,
Here is the link that the professor provided -
http://wps.prenhall.com/chet_martin_audiology_11/194/49692/12721280.cw/index.htm l
The instructor tried on the computer in the classroom that she uses and I also tried it on the computer in my office. ON that website are different QuickTIme videos embedded in the different chapters. Clicking on the QuickTime link (box), the QuickTime logo appears, then the image appears but when Play is pressed, the video plays but there's no evidence of audio. The volume control on the QuickTime movie is at maximum and I have the volume on my computer at maximum, but there's no sound whatsoever. LIke I said, I have the latest QuickTime plug-in and when I test the plug-in, I get video and audio.
I'm trying to find out an answer for the professor because she uses the website in her course.
Any suggestions would be most welsom.

PowerPoint Presentation in Keynote will play video but not audio

I made a presentation in powerpoint and sent it to Keynote. I have four videos in .m4v format embedded in the presentation. When I open it in Keynote, the video plays but the audio does not. How do I fix this? The presentation is saved in .pptx.

itunes on the computer play tons of different formats
the atv only play the ones listed in spcs
http://www.apple.com/appletv/specs.html

Flash player starts playing video but stops, audio still plays

When I watch videos on youtube the video and audio play fine for the first few seconds. Then all of a sudden the video stops playing, but the audio continues to play. I am using Firefox 3.0.10, Windows XP SP3, Intel Celeron Processor 434MHz, 256MB of Ram. This also happend with other browsers like Google Chrome, and Internet Explorer. What can I do to correct this issue? Thanks in advance.

First, disable Java. It's a security risk and has nothing to do with the problem.
If you're using Safari, from the menu bar, select
Safari ▹ Preferences ▹ Extensions
Turn all extensions OFF and test. If the problem is resolved, turn extensions back ON and then disable them one or a few at a time until you find the culprit.
If you wish, you may be able to salvage the malfunctioning extension by uninstalling and reinstalling it. That will revert its settings to the defaults.
If there's no change, from the Safari menu bar, select
Help ▹ Installed Plug-ins
Besides the following, what plugins are listed?
iPhotoPhotocast
Java
WebKit built-in PDF

AVI File Playing video but not audio!

Hey guys I am terribly sorry if this has already been discussed before but I am really getting aggrevated here. When I show the format it says : Generic MPEG-4, 624 x 352, Unknown
MPEG Layer 3, Stereo, 48.000 kHz
Anyone know a codec? I have downloaded everything I have seen that might be a codec and it's kind of scary that none have worked yet. The video is perfect but i hear nothing!

See the following...
http://insanityflows.net/archive/index.php?title=QuickTime#Nosound_inQuickTime

Can see the video but no audio

i was told to go to the quicktime thing to try to get my audio on my ipod for my music video i have on it.. but it has the mpeg 1 muxed and then it said on this website that it wont work? well.. what am i supose to do? not being rude but..i didnt spend $500 on this lovely ipod if i cant listen to my videos.. please please help

See this for more info...
iPod Plays Video But Not Audio - Muxed Files
You would need to use a converter like this...
http://www.squared5.com
btabz

MY I POD PLAYS VIDEOS BUT THERE ISNT ANY SOUND aNY IDEAS ON HOW TO FIX?

HOW DO YOU GET SOUND TO PLAY ON VIDEO CLIPS?

Quicktime, Quicktime Pro and iTunes don't convert "muxed" ( muxed means multiplexed where the audio and video are stored on the same track) video files properly. It only plays the video and not the audio.
See:iPod plays video but not audio.
You need a 3rd party converter to convert the file with both audio and video.
Videora is one, and there are others.
http://www.videora.com/en-us/Converter/
Search the iPod video forum for other recommendations, but beware of spammers trying to sell you their own product.
And may we ask you to turn off your caps lock? It's considered shouting.
Incidentally, the iPod video forum is here.
http://discussions.apple.com/forum.jspa?forumID=808

My new ipod nano plays videos but there is no sound, why?

My new iPod nano that plays videos has no sound going along with them. It's not a problem with the iPod, (I don't think) because the sound won't play on iTunes either, yet my music in playing just fine both on my ipod nano and in itunes. I dragged and dropped the video into itunes then I converted the video then used the convert selection for ipod. Why is there no sound? Is there something I am doing wrong? My 30gb ipod did worked just fine when I did it that way but my new ipod nano won't. Is there something else I have to do before I can watch and listen to videos?
Any help would be greatly appreciated.
Thanks!
Becca

QuickTime expects video files with separate video and audio tracks, but many MPEG formats used a muxed (multiplexed) single track that contains both. Therefore, iTunes & the iPod (both of which use QuickTime) only show the video and no sound.
iPod plays video but not audio of some exported files
http://docs.info.apple.com/article.html?artnum=302588
One way to work around this is to use MPEG Streamclip to convert the files to fix this issue...
http://www.squared5.com/
Frequently asked questions about viewing and syncing video with iTunes and iPod
http://docs.info.apple.com/article.html?artnum=302758
GUIDES TO: Converting Video for iPod - Mac & Window
http://forums.ilounge.com/showthread.php?s=&threadid=123067
Patrick

Video but No audio when playing from ITunes. What could be wrong?

I'm trying to play video from iTunes on my Apple TV. I get the video but no audio. I am able to view from Netflix fine. What could be the problem?

Welcome to the Apple Community.
Try adjusting the audio out and dolby digital settings.

Impoting video but no audio when played back.

Never had trouble with IMovie before until now.
Trying to transfer home videos from a regular dvd.
When I play the clips, I get the video but no audio. If I open up another window (could be anything outside IMovie) I get the audio.
If I switch back to the IMovie window, no audio. I have my dvd player connected to a converter because I have an 8mm camcorder. Also, whenever I switch from edit mode to camera mode, IMovie crashes (sometimes). My converter is a Canopus ADV 110.

Try downloading the free program MPEG Streamclip. (Just Google it.) Drag your clip into the window of Streamclip, pull down the Streamclip File menu, and click on Convert to aiff, or something like that.
Likely your problem is that your clip contains an audio format or mixed material that is incompatible with iMovie. That's why it plays elsewhere but not in iMovie. Streamclip should be able to convert it to an aiff file, which works well with iMovie.

YouTube is silent. Video but no audio. What can I do? FireFox 5

FireFox 5, June 2011 plays YouTube video but no audio.
Volume set at maximum. What can I do besides returning to FireFox 3 or Internet Explorer?

Hi.
Sometimes, even if your computer's volume is set at maximum, the volume of a particular application (such as Firefox) might be muted.
Please check the [[No sound in Firefox]] article.
I hope that helps :D

Have you ever had video, but no audio in FCP?

I had a friend digitize footage(as uncompressed 8bit) for me on his mac at work. When I import the clips into FCP there is video, but no audio. Audio does indeed exist because you can here it if the clips are opened in Quicktime. Any ideas on getting the audio to play?
Thank You Very Much!!!

Welcome to the forum!
What codec is the clip? If its a muxed MPEG clip, you'll need to demux/convert it to an editable format prior to importing into your FCP project.
To find out what codec was used to make the clip, open it in QT and hit Command j, then click on 'Video Track' to see the specs.
-DH

FLVPlayback - Video but no Audio

I'm building a flash projector who's main purpose is to play video.
Everything was working great, but occaisionally the video player showed video but no audio. It did this inconsistently - sometimes it would work, sometimes it didn't, and the volume always reported back as "1"
Here is some of the excerpted as3 I've written:
flv_player.height = 720;
flv_player.width = 1280;
flv_player.x = 0;
flv_player.y = 0;
flv_player.fullScreenTakeOver = false;
flv_player.source = my_source; // (variable string containing path to f4v file)
addChild(flv_player);
// ======= //
flv_player.play();
flv_player.seek(desired_s); // number
for now, I've fixed the problem by throwing in a half second wait using setInterval, after adding the child and starting the player (where // ===== // appears above
What bothers me about this fix is:
A) there's a half second of sitting on black and
B) I don't know why it's not working or why a wait fixes it.
I tried waiting to play until the fl.video.VideoEvent.READY event fired from the the FLVPlayback object, but no dice.
Any ideas out there?

I did come up with a solution, and it seems to work, though it's not as elegant as I'd like. I now add the FLVPlayback component (set to auto start playing), and set an interval to check if it's started playing every 33 ms (or roughly every frame). Once it/s 200ms in, I presume the video and audio are muxed and I can seek. Here's some excerpted code from my MovieClip class:
//adding flvplayback
                              flv_player.height = 720;
                              flv_player.width = 1280;
                              flv_player.x = 0;
                              flv_player.y = 0;
                              flv_player.fullScreenTakeOver = false;
                              flv_player.source = my_source;
                              flv_player.addEventListener(VideoEvent.COMPLETE, on_complete);
                              addChild(flv_player);
                              // right now, it's going to check to see if the video is playing.
                              my_interval = setInterval(start_playing,33);
private function start_playing():void
                              // if the video is 200ms in, we'll presume the audio is muxed and will start the show!
                              if (flv_player.playheadTime > 0.2) {
                                        clearInterval(my_interval);
                                        my_interval = new uint();
                                        flv_player.seek(my_in_point);

How can I cut some video but keep audio running?

Hello
I once knew how to do this but forgot, and can't find it in any discussions or help files.
I have some shaky, crummy video but the audio in it is good.
I am editing the video, but I want to keep a running audio track from the original DV import.
"Paste over at playhead" is not the answer (unless I got it wrong).
I doubt this is the best way to do it but I am presently copying a clip; extracting the audio; placing that audio back into the timeline under the video; hacking up the video...and hoping the length is close to perfect. (Surely not the way to do it).
Tips? Thanks

David
You know, somehow your explanation made more sense than the iMovie Help file explanation. (Though it has some additional info that touches on what remains a bit of a problem for me).
In any case, thanks. I am using this technique right now. The difficulty that remains for me is how to deal with a short segment of video (to paste) over a 2 or 3 times longer segment of audio. The help info and my own experimentation show that the remaining space gets filled with black. Not very pretty or smooth.
Which leads me to my response to the other person who replied to my post...
*Glo H*
Yes. I am copying the clip so I can have needed video to fill the space as the audio plays. But I'm pretty sure this is not the smart, most efficient way.
(See David's reply).
I am continuing experimentation but am very much open to any other suggestions.
Thanks again.
nnooo-dlehead ssslowto catchon

Playing Video but no Audio?

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