2018年9月5日 · 2) A software which supports to add multiple audio tracks to mp4 movie without converson or reencoding the mp4 movie or mp4 video and keeping the file size and quality same. 3) A software which extracts audio tracks from mkv and mp4 and avi without converson or reencoding the audio track of the video(mkv/mp4/avi)

2017年9月29日 · I have tried several different MKV to MP4 converters that are recommended on the Videohelp website, and each of them generates an mp4 file with no sound. The only tool that retains the audio track is VLC Player, but it took the VLC …

A) MUX => Add .h264 video=> MUX into video.MP4 (Default settings- same FPS) B) Then MUX add .Audio=> audio.MP4 (Default settings, same FPS) C) Then click on Join and join Video.mp4 + Audio.mp4 => Finished converted MP4 video It seems to work, but when I click on Join, it says "Formats do not match, errors may occur." So this is where I am ...

2015年8月13日 · - select avi, mkv or any reasonable video file format you have, drag this file to any2mp4.cmd (or any2mp4.bat) and drop on it, some "DOS-like" window should open and conversion process should be started, mp4 file will be loacated in same folder as source file, it will have same name with extension (thus you will know from what video it was ...

2024年3月18日 · mp4 and mkv are just containers. They play no part in the actual quality of the contained video and audio streams (those are essentially identical). Now in terms of filesize, I've just done a simple conversion of two different mp4 files using the generic: ffmpeg-i input.mp4 -c:v copy -c:a copy output.mkv

2015年9月1日 · what is best mkv to mp4 converter Hi anyone know who is best .mkv to .mp4 video converter with high quality video and audio and low Mb size so if its possible tell me now im using xilisoft video converter ultimate but it takes much mb size (for 20 mins video 1.5 GB ) and upload takes much time

2022年3月4日 · hi there, So I have a LG Oled C1 that does support Dolby Visual on mp4 but not on mkv's. So I convert the mkv's like this: $ mkvextract Benedetta\ Convert DV mkv -> mp4 with mkvextract and dolby mp4_muxer - VideoHelp Forum

2021年1月5日 · From what I understand MP4\M4V supports Atmos The mediainfo tool reports Dolby Digital Plus with JOC for the MKV and Dolby Digital Plus without JOC for MP4. I'm using the following FFmpeg command: ffmpeg -i original.mkv -c:v copy -c:a eac3 -tag:v hvc1 output.mp4 Resulting output from MediaInfo (note .MKV contains only 1 video and 1 audio track)

2013年6月6日 · Just for changing container MKV <===> MP4, you can avoid re-encoding, you should not run mkv or mp4 through a video converter. All you need is de-muxer and muxer. You can de-mux mkv or mp4 into raw streams .h264 and aac and re-mux into mp4 or mkv, vice versa. In later case, you will probably maintain same size except container headers.

2018年3月1日 · If your player supports soft-subtitles in mp4 you can try BOX4. (BOX4 is based on ffmpeg) Some players support external .srt files instead. Then you must convert the subtitle to an .srt file (open .mkv in SubtitleEdit, select subtitle and save as .srt). Name the .srt exactly as the .mp4 except the file extension.