影音檔規格檢測軟體 -
MediaInfo，可以開啟影音檔案、字幕檔，並檢測出編解碼器（Codec）、畫面比例、每秒張數、取樣率、聲道數、語言、流量、字幕語言...等技術資訊，是開放原始碼的自由軟體。（
阿榮）（
圖）
MediaInfo provides easy access to technical and tag information about video and audio files.
It is open-source software, which means that it is free of charge to the end user and developers have freedom to study, to improve and to redistribute the program (LGPL license).
阿榮評語：
[2011.04.13] 感謝讀者「
晉源」通知改版訊息。
MediaInfo supplies technical and tag information about a video or audio file.
This is free software (free of charge and free to access source code: GPL or LGPL licence)
改版訊息：
Version 0.7.58, 2012-05-28
--------------
+ Ukrainian translation updated
+ AC-3: Little Endian streams support
+ LXF: AVC streams support
+ ISM: better support
+ File referencing other files (HLS, ISM...): menu in case there is more than 1 stream per referenced file
+ MPEG-TS: option for keeping streams detected at the beginning then disabled in a an update of the PMT (activated by default)
+ MPEG-PS: program_map_section support for uncommon streams embedded in MPEG-PS
x Referenced files (MXF, HLS, MOV, P2, XDCAM...): issues with source name, track order, files size
x MPEG-TS/MPEG-PS: regression, some files with AC-3/DTS/DVD subtitles were not well analyzed anymore
x MPEG-4 channel mapping: Lt and Rt (matrix-encoded) channel mapping were missing
x GXF: handling of buggy files having non-PCM AES3 codec identifier but actually having PCM
x MPEG-4: better support of MPEG-4 files having corrupted metadata atom
x 3529510, EIA/CEA-708: was not detected if the stream was not present at the beginning, thanks to Pete Chapman
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