MP4 OR MPEG-4 is a digital multimedia format which is commonly used to store video and audio file. These MP4 video file are stored on various storage device such as system hard drive, USB drive, external hard drive, flash drive, etc. Sometimes, MP4 file may get corrupted or damaged due to various reasons on Mac.
If you are facing such situations then don’t get panicked, you can easily repair
damaged MP4 file using MP4 Repair Mac software. It has an elegant repair algorithm which offers an automated process to scan and repair severely corrupted or damaged MP4 file. During repairing, it splits the audio as well as the video streams of the file and later adjoins them in a single file and makes it playable. You can also take the help of this app for repairing corrupted camcorders digital camera video files without any difficulty. To know more about it, check this page: http://www.mp4repairmac.com/how-to-repair-camcorders-digital-camera-video-files.html
What to do when MP4 file has only video but no audio?
Most of users lose MP4 file due to certain reasons. In such case, don’t get panicked. Many users face video audio synchronization which occurs due to improper downloading. Users may convert the MP4 files into other video file format due to some reasons. But if this alteration is not done properly then you may end up with losing MP4 file. Even, your MP4 file can have only video without any audio after corruption. In such circumstances, just make use of MP4 Repair Mac software to fix MP4 video file on Mac. This software is designed for both Windows and Mac users to repair MP4 file with great ease. To know more about repair process, check this link:
Reasons due to which your MP4 file gets Damaged:
Virus Attack: If you attach the storage device to virus infected system or vice- versa for transferring files, then along with files virus will also gets into your device and you will not be able to identify this thing. Once virus is entered in your device then it will corrupts the files that that are residing in your device, after which all the corrupted files including MP4 files become inaccessible and then MP4 cannot be played.
Header Corruption: Header corruption is also one cause accounting for MP4 file to get corrupt. In fact header is a major element, which maintains all essential details of that MP4 video file. If header of MP4 file gets corrupted, then all the details will be lost and due to this reason you can’t play your MP4 video file.
Errors while Downloading: If an MP4 record is getting downloaded from web and in the middle of the process if a sudden error occurs then downloaded MP4 document gets damaged.
Interruptions while Transferring: Assume while moving MP4 file from system to some external storage device or vice versa, if any interruptions occurs during the transfer process then MP4 file will get damage.
Renaming the File Extension: When the extension of MP4 video file is changed to another extension e.g. 3GP, FLV, MOV, AVI then MP4 file may get corrupted. If you are looking for
repair mp4 file after invalid file format error, then you can choose MP4 Repair Mac software to repair it.
Features of MP4 Repair Mac software:
MP4 Repair Mac software is capable to
or broken MOV video files on all major versions Mac OS such as Lion, Mountain Lion, Mavericks, Snow Leopard and Leopard, etc.
Log on to the website and get demo version of MP4 File Repair software, try that once. If you feel satisfied with the repairing results then buy its licensed version.
It’s a graphical user interface repair utility, which offers the easiest way for repairing corrupted MP4 files.
repair audio sync in mp4 video file on all versions of Windows OS including Windows 8, Windows 7, Windows XP, Windows Vista, Windows 7 etc.
Preview option is available for the users to view the repaired MP4 files before restoring it to particular place.
It incorporates a robust scanning engine, which deeply scans the corrupted MP4 file and quickly repairs it.
This software is capable of recovering deleted videos from JVC Everio camcorder within few mouse clicks.
Using this software, you can easily resolve MP4 corruptions that lead QuickTime not playing MP4 with the help of MP4 Repair Mac software. For more details, you can visit this page:
Steps to Repair Damaged MP4 File:
Step 1: Download demo version of this software and install it on your Mac system. Then launch it to open its Home Screen as shown in Figure 1.
Figure 1: Home Screen
Step 2: Next choose the damaged MP4 file and click on "Repair" as shown in Figure 2.
Figure 2: Select MP4 File
Step 3: As repair process gets completed you can preview it as shown in Figure 3.
Figure 3: Preview Screen