How to Get Rid of DTS/AC3 Audio using ffmpeg on Linux to Play MKV Files on iOS or Android

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I encountered the problem on iPhone that MKV video files with AC3 are played with no sound. The OPlayer reports to me that “According to DTS patent, DTS is forbidden to play , None of the media player on iPhone/iPad can play DTS”. However, the video file can be played in MPlayer on Linux just
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Converting Video Files for iPod/iPhone/iPad

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We usually have video files in .wmv .mpg .rmvb or .mkv formats. The iPod, iPhone or iPad only accept a limited number of video file types, such as .mov and .mp4. To play these video files in .wmv .mpg or .rmvb format, we should first convert them to .mov or .mp4 files that can played
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MPlayer使用中文字幕

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mplayer 使用中文字幕文件时经常会出现乱码问题. 以下是解决办法: 1. 外挂字体方法 比如当前目录下有文件为Gone with the Wind.avi, 字幕文件为: Gone.With.the.Wind.1939.Bluray.720p.DTS.2Audio.x264-CHD.chs.srt 可以使用如下命令来播放, 将不会出现中文字幕乱码的问题了: mplayer -ass -subcp cp936 Gone with the Wind.avi -sub Gone.With.the.Wind.1939.Bluray.720p.DTS.2Audio.x264-CHD.chs.srt 对于以上参数的解释: -ass: Turn on SSA/ASS subtitle rendering. With this option, libass will be used for SSA/ASS external subtitles and Matroska tracks. You may also want to use -embeddedfonts. NOTE: Unlike normal OSD,
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