MKV 是一種優秀的多媒體容器格式，它可把多種不同編碼的視頻及16條或以上不同格式的音頻和語言不同的字幕封裝到一個MKV 文件中，而MKVToolNix 是一款免費開源的MKV 編輯器和工具集，能夠合成、編輯Matroska MKV 文件。

MKVToolNix包含了以下幾個MKV專用處理工具：
*mkvmerge：將多媒體文件封裝、合併、混流為MKV文件；
*mkvinfo：輸出MKV文件組件和編碼信息；
*mkvextract：從MKV文件中提取視頻、音頻和字幕軌道；
*mkvpropedit：直接修改現有MKV文件的屬性而無需重混流；
*mmg：mkvmerge GUI，並包含了章節編輯器和頭部編輯器。

MKVToolNix 中的Mkvmerge GUI 允許你導入多個視頻、音頻、字幕軌道，混流合併一個新的MKV 文件，並可以設置導出視頻的寬高比、顯示比例、幀頻等等。

MKVToolNix 中的MKVExtractGUI 則可以從現有的​​MKV 文件中提取其中的一個或多個視頻、音頻或者字幕信息，是專業的MKV 分離工具。

MKVToolNix 是專用的MKV 剪輯工具，提供了4種MKV 切割模式，包括按尺寸、按時長、按特定時間碼和按分段，都是無損剪輯、分割MKV 過程，能夠同步切割視頻、音頻和字幕軌道。比之前介紹的所有支持MKV 分割的工具都要好用，包括Boilsoft Video Splitter、SolveigMM AVI Trimmer 等。

更新記錄：

Version 39.0 . 0 "In The Waiting Line" 2019 - 11 - 04    ## New features and enhancements*mkvmerge:Blu-ray:whenreading an MPLS playlist mkvmerge will look upandusechapter namesfromtheBlu-ray's "track /chapter names" meta data if it
  exists. Part of the implementation of 2486.
* mkvmerge: MP4 reader: if present, cover art images (the
  `meta.udta.ilist.covr` atom) will be converted into attachments.



  
  
* MKVToolNix GUI: multiplexer: when adding a playlist from a Blu-ray disc, the 
  disc library meta data will be parsed, and the biggest thumbnail, if 
  present, will be added as a new attachment with name `cover.jpg` (extension 
  depends on thumbnail' s extension ). Implements #2644. * MKVToolNix GUI : multiplexer : when adding a playlist from a Blu - ray disc , the 
  title from the disc library meta data will be set as the new file title if  
    
  the disc library meta data contains one & no  title has been set yet . * MKVToolNix GUI : multiplexer : the automatically generated destination file 
  name will now be based on the file title if one is set at that point . This 
  works in conjunction with the title being said from the Blu - ray disc library 
  meta data . * MKVToolNix GUI : chapter editor
   
 : when reading chapters from an MPLS playlist 
  the GUI will look up and use chapter names from the Blu - ray 's "track/chapter 
  names" meta data if it exists. Part of the implementation of 2486. 
* MKVToolNix GUI: Windows: added a dark mode that' s enabled when Windows 10 's 
  dark mode is turned on. 
* translations: added a Bulgarian translation of the programs & the man pages 
  by Симеон Цветков (see `AUTHORS`). 
## Bug fixes 
* mkvmerge: attachments without a file name won' t be ignored anymore    

. Part of 
  the fix of #2642. * MKVToolNix GUI : header editor : attachments with an empty name element will 
  be shown as `` as originally intended . Part of the fix of #2642. * Linux AppImage : the AppImage will no longer change directories before 
  running the desired executable allow the use of relative file names . Fixes #2632. ## Build system changes 
    
   
  



 * MKVToolNix now requires a C ++  compiler that supports the following features 
  of the C ++ 17 standard : "`[[maybe_unused]]` attribute" , "nested namespace 
  definition" , "structured bindings" . For the GNU Compiler Collection ( gcc ) this means v7 or newer ; for clang it means v4 or newer . * Boost 1.60 . 0 or newer is      
   
   now required . # Version 38.0.0 "The Silent Type" 2019-10-06 ## New features and enhancements * mkvextract : chapters , tags & cue sheets will now be written to standard 
  output if no file name is given , same as if `-` is given as the file name . * MKVToolNix GUI : job queue : added a new setting in the preferences ' "job






    
 
  queue & job status" section that, when enabled, will cause the GUI to remove 
* mkvmerge: AAC reader: fixed reading codec parameters (channels, sample rate)
  all output files created by jobs that are either aborted by the user or that 
  end in an error. Implements #2614. 

## Bug fixes 

* all programs: macOS: fixed file access if the file name (including all path 
  components) contains any Unicode character where NFC (Normalization Form 
  Canonical Composed) and NFD (Normalization Form Canonical Decomposed) 
  differ, eg German Umlauts. Fixes #2620. 
* mkvmerge: when splitting by chapters the user can now split by chapters 
  coming from one of the appended files, too . Fixes #2625. 
  if a file starts with garbage that includes valid-but-bogus AAC 
  headers. Fixes #2622. 
* MKVToolNix GUI: Hebrew was added to the list of often-used languages so that 
  it can be selected by default again. Fixes #2610. 
* MKVToolNix GUI: when updating the GUI' s settings from v37 . 0.0 or older , the 
  GUI checks if the list of often - used languages equals the built - in list from 
  v36 . 0.0 . If it does , it will be updated to the built - in list changed in 
  v37 . 0.0 . Fixes    #2611. ## Build system changes *


 Boost 's Operators header library is now required.

官網地址： https://mkvtoolnix.download

官網更新記錄：  https://mkvtoolnix.download/doc/NEWS.md

軟件下載地址：
Download官網x86綠色版：MKVToolnix 39.0.0 Final綠色免安裝版
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Download官網x86安裝版：MKVToolnix 39.0.0 Final安裝版
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