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Sometimes audio hardware can be instructed to loop an output back into an input, which can result in the audio feedback that you've just described.
I'm using Windows XP as my operating system. My problem is when I play video clips, the audio comes out like an echo and reverberates. I don't know if there's some setting in my PC that I can change to eliminate this problem. Would you please advise me on what I can do?
In this excerpt from Answercast #54, I look at a computer that is getting feedback though its audio settings.
The very first thing that I would look into in a case like this is your microphone. I would be very interested to understand if perhaps your microphone is turned on and somehow configured to feedback into your audio output. That can and does result in pretty much exactly what you've just described; the sort of echo reverb-type thing that can happen from time-to-time.
The thing to do with Windows XP is right-click on the speaker icon and then click the (I believe) Mixer or Sound Properties (one or the other.)
In there, you've got the opportunity to set your audio output levels.
In other words, you can choose the volume for the specific things that are being played. On the File menu in that little applet is an option to set the recording device levels. And at that point, you can mute the microphone.
Obviously, if you have a microphone that's simply plugged in - unplug it. If it's built-in that gets a little harder which is why I'm directing you to the mixer: the sound mixer application that comes with Windows XP. It will allow you to control the recording level of the microphone. In other words, the volume of the microphone coming in.
And, like I said, all we're going to do is mute it.
At the same time, it might be a good idea to mute everything that shows up in the recording panel. Maybe there's something else that's feeding back. It depends on the sound card and the sound hardware that's installed on your machine.
Sometimes, the hardware can be instructed to loop an output back into an
input, which can in fact result in pretty much what you've just described. So,
try and see if you can't just mute every kind of recording device that might be
available on your system and see if that doesn't make the problem go
Next from Answercast 54 - How do I prevent pictures of my paintings for sale on eBay from being copied?
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