How to Merge/Add SRT, or .ass/.saa Subtitles with AVI in Seconds
Looking for a quick and easy way to merge srt, or .ass/.saa subtitles with an AVI movie or video?
Then this tutorial is perfect for you, because here I will show you step by step how to combine srt, or .ass/.saa subtitles with AVI in just seconds using a free program called Brorsoft Video Converter for Mac and Wins.
Preparations for Embedding subtitles to AVI:
First, find the subtitles online at Opensubtitles or Subscene (you have other options) by searching for the movie's name and the language you'd like. When you find suitable subtitles, make sure your AVI video and subtitles names are the same.
Then, get an effective subtitle to video converter. Brorsoft Video Converter Ultimate is the right choice. With this smart converter, you can add subtitles in .srt, .ass and .ssa to AVI videos with just a few clicks. It can not only attach subtitles to AVI, but also supports many other video formats, like MKV, MKV, MOV, WMV, etc. What's more, it also helps to set the subtitle size, subtitle style, etc according to your preference. Besides adding subtitle files to your video, it is an all-in-one program with many other functions, which enables you to edit videos, convert video, rip Blu-ray/DVD easily and quickly, etc. If you are running on Mac OS X to add external subtitles to MKV, MP4, AVI, etc, turn to Brorsoft iMedia Converter for Mac. 
(Note: Click here for OS X 10.5.8)
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How to Add subtitles to AVI?
Step 1. Import AVI video
Click "Add" button to import the AVI video file which you want to add subtitle .srt or .ass/.saa to. Or simply drag and drop the AVI video into the interface of program. 
Tip: Before loading source video, you need copy .srt file to MP4 video folder, rename .srt file according to the video name. And if you add more than one .srt files to the MP4 folder, you can rename the .srt file name like this: if source MP4 file name is “michael.mp4”, the .srt file names can be “michael001”, “michael002”, etc.
2. Embed subtitles into AVI video
Click on "Edit" button, the video editor will pop up. Tap "Subtitle" option and check the "Enable" icon. Then, by clicking on "Browse" to import your *.srt, *.ass, *.ssa subtitle file you've downloaded. After the subtitle is loaded, you can preview it. 
Tip: You can change the subtitle size, style, font if necessary. When everything is done, simply click "OK" button. Plus, you can also add watermark, apply effects, and crop, trim your AVI files in the above video editing window.
3. Set output video format
To add subs to AVI (to keep the output video as AVI with subtitle), click the "Format" drop-down button to select AVI format from the Common Video profile.
4. Finish AVI subtitles merging
Click the "Convert” button to start adding SRT or ASS, SSA to AVI video, when the conversion is completed, the subtitles file will be embedded into the output AVI video. Now you can play your AVI files with subtitles anywhere.
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