The MP4 video file can get corrupted from various factors such as virus attacks, wrong video conversion, compression, and recovery. But if the media player apps do not support the audio codec in use, you may not hear a sound as you play your video.Ī corrupted MP4 file is another reason why the MP4 may play without sound. Note that MP4 is usually encoded with different audio codecs like WMA, LPCM, DTS-HD, MP3, AAC, AC-3, Opus, etc.

If you play the video with media player apps that do not have a supported audio codec, it may pose an 'MP4 no sound' problem. This means that functions like sound may be affected. If your MP4 media file doesn't have the right codec associated with it, this could affect the media file's function. You should know the major reasons why MP4 files usually have this problem to figure out which of the factors apply to your case. An MP4 video without sound is a video that goes mute when you open it, even though the video might be playing. What does 'MP4 no sound' mean? As the statement implies, an MP4 file that has refused to play audio when you play the video file is said to have 'no sound.' This means that the MP4 file has not been able to synchronize the video and audio so that both will play and at the same time. Part 1: Overview of MP4 No Sound Problems 1. 03 Ultimate Solution to MP4 Video No Sound and Damaged MP4.02 Try Simple Solutions to Fix MP4 No Sound.

Final media player used to copy video