In this fast society, many people pursue efficiency. Therefore, when they download media files, they choose to download videos and audios separately, which can save much time. And the video and audio are usually in MP4 and M4A format separately. After successfully downloading the media files with a large size, there is another question: How to merge MP4 and M4A files? I found some people recommend FFmpeg on the Internet. To save your energy, this guide will tell you how to combine MP4 and M4A into one with FFmpeg. Apart from that, we also introduce its best alternative: Joyoshare Video Joiner.
Part 1. Merge MP4 Video and M4A Audio with FFmpeg
Part 2. Combine MP4 and M4A Files via Joyoshare Video Joiner
Different from FFmpeg, Joyoshare Video Joiner Joyoshare Video Joiner doesn't need any commands to join MP4 and M4A into one. With an intuitive interface, you can add M4A to MP4 fast and easily. Joyoshare supports a great variety of audio and video formats, like MP3, FLAC, AIFF, MP4, WMV, MKV, AVI, and so on. If the videos are the same format, you can join them without data loss. For example, you combine MP4 files without damaging any quality.
Apart from its merging function, you still can trim, edit, and convert videos or audios. Besides, you can extract audios from videos. Moreover, Joyoshare differs from other software. It provides two merging modes: High-Speed mode and Encoding mode. The first one can cut and combine videos and audios fast and losslessly. The second one allows you more choices to edit videos, like cropping videos, adjusting brightness and hue, inserting subtitles and unique watermarks, etc.
Good Points of Joyoshare Video Joiner:
Merge MP4 and M4A easily and losslessly
Export videos at 60X faster speed
With a user-friendly interface
Run both on Windows and Mac devices
How to combine MP4 and M4A via Joyoshare:
Step 1Import MP4 video to Joyoshare Video Joiner
Step 2Select one joining mode and the output format
Step 3Trim MP4 files as you like
Step 4Combine M4A and MP4 files
Step 5Export MP4 with M4A audio
Nowadays, many social media platforms have used a DASH mechanism (Dynamic Adaptive Streaming over HTTP). Like the favorite YouTube you watch videos a lot, this website also introduces DASH for 1080p and 480p videos.
DASH is an adaptive bitrate streaming technology where a multimedia file is partitioned into segments and delivered to a client using HTTP. Therefore, when you download the media files to your computer, you usually get one video.
That is why so many people search for this topic we discussed here: MP4 and M4A joiner to merge the separated multimedia files.
Except for FFmpeg and Joyoshare Video Joiner, if you have any other better choice, welcome to leave a comment!