How to Reduce Background Noise on an MP4 Video
The quality of an MP4 video is dramatically lowered when background noise competes with the true sound and muffles what should be plainly heard. Apply a few effortless tricks to win the battle against unwanted noise.
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Instructions
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Play another file to confirm that the file you want to play is not damaged.
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Reinsert the earphone plug all the way into the player.
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Readjust the MP4 player and earphone positions until you hear clearer sound. Straighten out the earphone cord.
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Clean the earphone plug and earpiece with a soft, dry cloth or tissue. Replace the earphone if it the cord or plug is damaged, severely bent or cut.
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Operate the MP4 player in another room, away from appliances that can produce interference, such as microwaves, heaters, fans, vacuum cleaners and hair dryers. Alternatively, turn off nearby appliances when you turn on your MP4 player.
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Tips & Warnings
Buy high-quality earphones in pairs as earphones typically don't last that long. You'll also be able to plug in the second pair shortly after you start to hear background noise as a process of elimination.
