This tutorial is to show you a step-by-step demonstration of extracting videos downloaded from YouTube and Google Video, etc. Convert the FLV to M4A audio on Mac os.

First of all, we have to make it clear that the YouTube videos and Google videos communicating online are of the Flash Video file, or FLV file format.
What is FLV?
FLV (Flash Video) is a proprietary file format used to deliver video over the Internet using Adobe Flash Player 6, 7, 8, or 9. The ubiquity of Adobe Flash Player has made it possible for the FLV you post on the Internet to reach wider audience.

What is M4A?
M4A format are actually the audio layer of (non-video) MPEG 4 movies. M4A is slated to become the new standard for audio file compression. This format is also known as Apple Lossless, Apple Lossless Encoder, or ALE. It is a new codec designed to provide lossless encoding in less storage space.
How to get an FLV video?
There is a free tool named FLV downloader for mac, It downloads video from YouTube, Google Video, MySpace, Metacafe, Dailymotion, iFilm, Music, eVideoShare, StreetFire, etc. off to your computer’s hard drive in FLV format for Mac user. You can use FLV player for mac to view it.
Step 1, Download and install FLV to Video Converter for Mac

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Once  FLV to Video Converter for Mac  is installed, launch the program.

Step 2, click “  ” button to add FLV video files to be converted to mka audio from mkv file format.

Note:When you finish add Flv files, the intereface will be displayed like this:

Step3: Edit FLV on Mac

Trim video files with FLV Converter for Mac

Click “trim “button to open the trim dialog box

set the start time and end time by dragging the start time and End Time slider to convert a clip, here you can set the time according to your require. After you set the start time and end time, you can click”OK” to finish the trim work. Futuremore, you can press”cancel” button to end the trim work.

Then you can convert this segments to any format as you like, just use the software to try by youself now!

Click”crop” button, you shall get the crop window , Dragging the frame around the video or setting the crop values: Top, Button, Left and Right by directly entering the crop values.

Step4: In the output format option, click the down arrow, then choose  M4A - MPEG-4 Audio format as you want.

Step 5, Convert.

Click “Convert” and “Start” to convert the files on the file list to the output folder.

Tags: convert FLV to M4A, convert FLV to M4A on mac, edit flv, edit flv on mac, FLV to M4A Converter for Mac

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