Why do mp4 have no sound after downloading

 · Corruption in MP4 File. Most of the time, it’s the media file that is corrupt and causes the ‘no sound’ issue. Now, the reason behind media file corruption could be an improper shutdown of the media application, corruption in hard drives in which the file is Estimated Reading Time: 5 mins. A corrupted MP4 file is another reason why the MP4 may play without sound. The MP4 video file can get corrupted from various factors such as virus attacks, wrong video conversion, compression, and recovery. A Media Player that Is Corrupted. If the media player you are using to play your MP4 video is a corrupted one, it may affect the video file and cause "no sound." Media players are usually installed .  · It can result in anything from video artifacts only in specific resolutions to sound distortions. Unfortunately, from time to time, the software fails, and there is nothing you can do to prevent it. Another problem is that codecs are considered non-essential and are generally up to the user to download and install.

My hard drive is pretty full at the moment. I recorded a www.doorway.ru meeting last night to my hard drive. When I add the MP4 clip to Screenflow, I can see the video okay, but there is no audio. I extracted the audio track. I can see the audio bars, but have no sound. I have checked speakers etc and all fine. I can add the file to QuickTime and hear. Make sure your audio is "in phase." Other audio or video issues. Editing your video's settings can solve common audio and video issues. To review and change your video's settings: Open the video in a video editing program. To open your raw video, use a video editing program on a computer. Basically, you need to open the file in your media player (or a media utility) and check the "Inspector" or "Media Information" window to ensure an audio track actually exists and, if so, what kind of audio data it contains. If you're unable to do this, then post a sample file for download by others here for further examination.

Corruption in MP4 File. Most of the time, it’s the media file that is corrupt and causes the ‘no sound’ issue. Now, the reason behind media file corruption could be an improper shutdown of the media application, corruption in hard drives in which the file is stored, or malware issues with your computer. Generally speaking, converting MOV to MP4 no audio is a universal problem that can be fixed by making sure that the conversion audio bitrates match. When the bitrates of the original file is not corresponding to that of your audio setting, VLC might produce a converted file without sound. It can result in anything from video artifacts only in specific resolutions to sound distortions. Unfortunately, from time to time, the software fails, and there is nothing you can do to prevent it. Another problem is that codecs are considered non-essential and are generally up to the user to download and install.