Video plays but no audio. Help!

I have a 2011 MacBook Air with the proper configurations and Mountain Lion. I am trying to take an online course. The video plays but no audio. I have tried all the suggested fixes, but nothing works. Everything else works on my computer with no problem. I need help fast. Any ideas or known issues?

Sorry, I read the forum rules . Thanks for the reply, but I haven't actually updated the Nvidia drivers in a while. Right now they are on 311.06. I keep them at the stock clock speed as well. Also have a slightly overclocked i5 2500k. but that never effected Adobe products before.
I wonder, does VLC Player at all affect clip playback? I think I saw there little traffic cone.
Yup. Is PP CC using VLC instead of Quicktime? And/or would that have an effect on playback? Also how would I correct that? I imagine uninstalling VLC would.
Well, I uninstalled VLC, and now the Quicktime logo shows up just before the thumbnail loads instead of the VLC logo. I'm gonna assume that means that PPCC is using quicktime, but I STILL get no video in preview playback!
Starting to get frustrated.

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Video plays but the audio skipps

i recently downloaded a tv show and i started to watch it and the video is fine but the audio skipps.i tryed playing it in quicktime but it does the same thing.
custom Windows XP

First reinstall quicktime here http://www.apple.com/quicktime/download/standalone.html
If that does not work then contact the music store if you bought it from there. it may be a issue on there side with a bad file
http://www.apple.com/support/itunes/musicstore/download/

When using Firefox certain videos play but the image is green and distorted.. help?

Firefox 3.6.8 and 3.5 (I downgraded to see if that would solve the issue)
Windows 7
Intel Core i5
Flash Player: WIN 10,1,53,64
When using Firefox certain videos play but the image is green and distorted. The image turns into lines and sometimes it half of the screen of the video. Examples are streaming MLB.tv video and some vimeo videos. The odd thing is that it isn’t all Vimeo videos. Is this a flash issue?
The issue does not happen with Internet Explorer which leads me to believe this is an issue with Firefox. I downgraded to 3.5 and the issue still persists.
Screen Caps: http://yfrog.com/1x46496103j and http://yfrog.com/n112309689j
Any help?
== URL of affected sites ==
http://

Try disabling hardware acceleration in your [http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html Flash settings] (using Firefox, right-click on any Flash object on a webpage, select Settings, uncheck "Enable hardware acceleration on the Display tab).
Ref:
http://kb.mozillazine.org/Flash#Performance_or_display_issues_with_certain_Flash_videos

How come when I view flash videos my videos stop, but the audio plays and I see rainbow colored lines up and down the video.

How come when I view flash videos my videos stop, but the audio plays and I see rainbow colored lines up and down the video. I attached a image below.

ATR, just to make sure you understand me, all my video clips in my folders appear as the first frame of the video clip when I view my folders as (small, medium, large)icons instead of lists, when saved as .avi files but when saved as .mp4 files, those icons display as a graphic icon of filmstrip with a musical note on it. I do have various other methods to open with (quick time, windows media, winamp or real player) but prefer real player because I like it's quick and easy trimmer that comes along with it, since so many of my videos are just pet antics where you need to clip off the boring beginning and ends of the video.
I did go on a few of the icons and right clicked, Open With, and tried quick time and also Windows Media and it did nothing as far as how the file was saved for display, and they opened the same no matter which player I used...the actual video opens and plays right at it's first frame... but it's the way it is visually displayed in STORAGE that bugs me because it isn't immediately apparent to me what it is a video of (weddings, outside the house, pet antics)... it makes me have to actually title things and read titles where before I let it just be dates because I had the visual of that first frame as a reference. Obviously, this is a problem for unedited videos only, as anything I actually work with, I do give a title along with the date of the video.
I also just realized this seems to be the way ALL videos that are wrapped in .mp4 are displayed, as my bloggie camera's videos appear the same way. Now I know why! My other videos display as .avi's so I see the frame. Puzzle solved. Guess I'll just have to learn to live with it, as it seems to be how things display with the various formats.
Now I need to watch some tutorials to learn how this Premiere program works! It's all new to me, since this is the first time I've been able load any of my videos onto it. I haven't even been able to figure out how to trim on it yet!

MPG video file importing as audio HELP!!!

MPG video file importing as audio HELP!!!
I am using Premiere pro CS5 trial version. The videos I have are in .mpg format and play fine in other programs. When I import them into Premiere they are importing as audio files.
I have a week to get this project done for uni and Im freaking out! It worked on the uni computer before christmas but isnt working here, its the same program and same operating system (windows 7).
What am I doing wrong!!!?

You are doing nothing wrong. The trial version does not support MPEG. The full-paid version has no such limitations, and also comes with a 30-day, money-back guarantee, so if you do not like it, you can return it for a refund.
The limitations of the trial version are HERE.
Good luck, and welcome to the forum.
Hunt

Using time remapping w/AE CS4 to freeze time/video freezes but not audio

Ok I do alot of editing of sports. One thing I like to do is freeze the moment when a special play is about to happen, highlight the player (via masking), then resume play. I had no problem with this in CS3. Now when I use the same workflow in CS4 the video freezes but the audio doesn't. So when I play it back I see the video freeze BUT the audio is still playing...hence now my audio is not synced up with the video. Didn't do this in CS3. My workflow: from PP -rightclick clip- replace w/ AE comp- AE loads my clip in a comp- I enable time remapping- extend the duration of the comp by 5 sec- find the point I want to freeze-set a key frame-copy key frame to origninal position- now I have a 2 second freeze between 2 keyframes. When I check the comp in PP the video freezes where I want it to but the audio keeps playing during the freeze....even after render. Thoughts?

Hi,
I'm also having the same problem with CS4 version. I'm using Mpeg4 file shot on my canon 60d and it's freezing the video in places and continuing the sound. The whole clip is just over 2 mins and I don't have any effects at all.
Does anyone know how to solve this please???
Cheers!
Shan

I was having problems with video and audio on certain sites like youtube. I edited some settings in Realplayer and have video now, but no audio.

Went into preferences on Realplayer, Download and recording, then unchecked "Enable Web Downloading and Recording...". That got video going, but no audio still. (Interesting that the list of browsers below that check box did NOT include Firefox.

See:
*https://support.mozilla.org/kb/flash-113-doesnt-load-video-firefox
You can also try to clear the Flash local storage and settings.
*Windows Control Panel > Flash Player, click Delete All and Delete Data
Flash Website Storage Settings panel:
* http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager07.html
Global Storage Settings Panel:
* http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager03.html
Did you also check the setting in the volume mixer when Firefox is using the flash plugin?
*https://support.mozilla.org/kb/No+sound+in+Firefox

Podcast plays but no audio.

Can anyone help? When I play some podcasts on the computer they start playing but no audio. The majority of them play just fine but a few podcast plays with no audio. I even downloaded the program fine and tried to play them but again no audio. The itunes and quicktime are all up to date.
Windows XP

Check with the author to see if the podcasts are iPod-ready.

HT201343 my video plays but the sound only comes out of my computer not my tv???

my video plays but the sound only comes out of my computer not my tv???

I have tried to connect and Jambox and have the same problem; bluetooth speakers are connected and chosen but sound comes out of computer speakers.

Music Videos - Play, but no sound. HELP?

I've converted the music videos for the ipod nano 3rd gen. and they play.. But with no sound on the ipod and in the library. When trying to play it in the library after converting, the little icon that shows a speaker doesn't have the 'sound waves' beside like it usually does.
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QuickTime expects video files with separate video and audio tracks, but many MPEG formats used a muxed (multiplexed) single track that contains both. Therefore, when you convert videos in iTunes to iPod format they only show the video and no sound since iTunes (really QuickTime) is not looking for the audio track within the video track and it gets lost.
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/
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Frequently asked questions about viewing and syncing video with iTunes and iPod
http://docs.info.apple.com/article.html?artnum=302758
The Complete Guide to Converting Video to iPod Format (Mac)
http://www.ilounge.com/index.php/articles/comments/the-complete-guide-to-convert ing-video-to-ipod-format-mac/
See other tutorial articles over at iLounge...
http://www.ilounge.com/index.php/articles/tutorials/
Patrick

Problem: Audio from the video plays, but video does not show.

Hi,
I used the following code to play the video. The audio from the video plays displaying the player but there is no visual.
There is no problem with the video as I have tried several other videos with .mpg and .mov extensions.
import javax.swing.*;
import java.awt.*;
import javax.media.*;
import java.awt.event.*;
import java.net.*;
public class MediaPanel {
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        try{ // method using URL
            URL url=new URL("file",null,"c:\\temp\\A.mpg");
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                MediaPanel.stop();
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        frame.setSize( new Dimension(600,600) );
        frame.setVisible(true);
        player.start();
    public static void stop(){
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        player.close();
    public static void main( String args[]){
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}

use this code "Component control = player.getVisualComponent(); "
instead of this code " Component control = player.getControlPanelComponent();"
But if you want show both of them, modify as following
Component control1 = player.getControlPanelComponent();
Component control2 = player.getVisualComponent();
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IMoviemobile export to Camera Roll will not play with quicktime on PC (video plays but with black screen, audio ok)

Videos created in iMovie on the new ipad will not play on PC with Quicktime after being exported to the Camera Roll and copied to the PC. Movie will play but with a black screen only. Audio ok. Was able to do before ios 6 but not now.

I'm having the same problem. All of the movies I export out of iMovie since upgrading to the latest version show up with no video, only audio, in Quicktime. Ironically the video place just fine in Windows Media Player and also in iTunes.

Converted videos play, but no sound

Videos that I have converted are synced and playing on my i pod, but they have no sound. Any help on how to fix this would be greatly appreciated.

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/
Patrick
GUIDES TO: Converting Video for iPod - Mac & Window
http://forums.ilounge.com/showthread.php?s=&threadid=123067

Adobe AIR Android + MediaPlayer: Video Plays with no Audio

I am trying to play a video in my Adobe AIR Android App. I can't seem to get the video to play with audio in the application. I can get the audio to play in the native players on both my Samsung Galay and my Asus Transformer outside of my app, but when I load the video using StageVideo, the audio doesn't play at all.
I tried just launching the video into the navtive browser or using StageWebView but that doesn't work either.
I am a bit at a loss and need some advice.
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MediaPlayerExample:
var resource:URLResource = new URLResource(videoPath);
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container.y = this.headerHeight;
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videoElement.smoothing = true;
container.addMediaElement(videoElement);
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container.height = this.stage.stageHeight;
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mediaPlayer.media = videoElement;
mediaPlayer.addEventListener(TimeEvent.CURRENT_TIME_CHANGE, this._onProgress);
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Quicktime or Quicktime Pro (both of which iTunes uses) does not 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.
See this for help: Guide to converting video for iPod (Mac/Windows).

Ipod Playing, But no Audio Output!

I have tried just about everytime to see if it was the song that was playing that caused it to have no audio, but no. i plugged in my headphones several times, tried to play the ipod through speakers everything. I have reset it several times, connected it to my PC. The play button is rolling and the song is going, but no audio output! i need serious help...

http://www.iresq.com
You can send it to them and they will diagnose it for $9 and then give you an estimate of the cost to fix it. You can Google for other 3rd party sites.

Video plays but no audio. Help!

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