How to Solve 'MP4 Plays but No Sound' Issue?

Overview

Hey Guys. I have recorded one MP4 file with my HD Video Recorder, but only image plays normally and no sound comes out when I transfer it to my Windows computer for playback. What caused this issue and how can I fix this problem?

I downloaded one MP4 file from YouTube, but the MP4 file has no sound when I play it. The MP4 file can be perfectly played on YouTube website. Why this happen? And is there a solution? MP4 file is the most widely accepted video format and almost all video files you stored on your computers or USB or external drive are in MP4 format. But sometimes, you may encounter MP4 playback no sound issue. The following article just lists why MP4 file no sound issues happen and how to get them fixed.

Why MP4 File No Sound Issue Happen?

Usually, the MP4 sound is failed to play for the following situations:

MP4 Audio Codec is Unsupported:

We know that an MP4 file can be encoded with many audio codecs, like WMA, AC3, MP3, AAC, Opus, etc, but the device or media player can not get all of them supported. If your MP4 file is encoded with one audio codec that is not supported by your device or media player you may not hear sound when playing your MP4 file. For example, PS4 get MP4 with AAC, AC-3 or LPCM audio codec supported, but if your MP4 file is encoded with Opus file the MP4 file will have no sound when played on PS4.

Media Player Corruption:

A media player is often used to play media file, such as your MP4 file. If the media player that you are using to play your MP4 file is corrupted you may hear no sound coming out from MP4 file.

MP4 File Corruption:

If you shut down your media application or your hard drive which got the MP4 file stored in an improper way you may get your MP4 file corrupted. And if your MP4 file becomes corrupted the MP4 file no sound issue may also happen.

How to Fix MP4 Plays but No Sound Issue?

The following will list solutions corresponding to the above failure issues:

Converting MP4 File with Unsupported Audio Codec to MP4 with Supported Audio Codec

If your MP4 file includes audio codec that is not accepted by your device or player you can use a professional MP4 video converter - iDealshare VideoGo to convert your MP4 file to your device or player supported one with supported audio codec. For example, if your MP4 file is encoded with Opus file you can convert your MP4 file to MP4 AAC for compatible playback on PS4. Besides, iDealshare VideoGo can help to solve any video or audio playback issue by converting the video or audio file to your device or player best supported one.

Next follow the steps below to get your MP4 file converted with supported audio codec.
• 1. Click Add File button to import your MP4 file to this iDealshare VideoGo.
• 2. Click the "Profile" button>"General Video" category to choose MP4 as the output format. And then click Setting... button>Advanced panel>Audio Codec where you can choose AAC or any other needed audio codec as the output file audio codec.
• 3. Click Convert button to get your imported MP4 file converted to your MP4 file with needed audio codec.

Re-Install Your Media Player or Use Another Media Player

If your media player is corrupted or have error you can delete it, download it and re-install it again. Or you can use another media player, such as VLC Player, to play it.

Repair the Corrupted MP4 File

If your MP4 file is corrupted you can use a MP4 repair tool - Erelive Data Recovery to get your corrupted MP4 file repaired. Erelive Data Recovery supports to repair any corrupted MP4 file, any MOV file, any AVI file, any MKV file, any MOV file or any other video file no matter what caused the corruption, virus, system update, etc. Actually, the chance that your MP4 file is corrupted is smaller, so if your MP4 file is corrupted and can not give sound out you can go to Erelive Data Recovery official website: https://www.erelive.com/data-recovery/ and follow its steps to get your MP4 file repaired.

Conclusion

The above have listed the often encountered MP4 playback no sound situations and the related solutions and you can choose one to resolve the MP4 file playback no sound issue. If your MP4 file no sound problem can not be solved by trying the above solutions you need to ask help from a professional one. But from users' feedback, 95% MP4 playback no sound problem can be solved with the above solutions. So good luck!