A friend is using Windows XP Home. Any movies that they play back have an echoing effect. They have changed speakers 3 times, no difference. This happens whether they use Windows Media player or a 3rd party program called PowerDVD.
Midland, New Brunswick
This question was answered on May 11, 2005. Much of the information contained herein may have changed since posting.
Some sound cards feature built-in sound enhancers that may color the sound coming out of the speakers.
Try to find an options menu or application specifically for that sound card and see if there are any sound enhancing features such as "reverb" enabled If there are, then disable the enhancements and try your movies aqain.
Reference: Enhanced A guide to managing and maintaining your PC
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Posted by Ian of Chandler-Gilbert Community College on May 11, 2005