How do I convert M4A files |
Step 1. Download the installation file,
Double click the downloaded and follow the instructions to finish the installation.

Step 2. You can import video and audio files by clicking .
Step 3. After importing the files, click to preview the video in the left preview window working as the common player.
Tips:
Click the current picture in the preview window will be captured and saved in the specified folder in the image type as you have set.
Click to open the snapshot folder to view the captured pictures.
Step 4. You can set the output settings for the selected file in this area.
Profile: Select an output format for the selected file.

Settings: Click to open the Settings window:

Audio Settings: Set audio encoding settings by selecting a encoder, a sample rate, channels and audio bitrate.
Step 5. Click to open the edit window to trim any clips.

There are three ways available:
Method 1: Enter the start time in the Start Time box and click OK, then enter the end time in the End Time box and click OK.
Method 2: Drag below the Preview Windows to mark the beginning of your clip and drag to mark the end of your clip during the preview.
Method 3: While playing video, click to mark the beginning of your clip and to mark the end of your clip during the preview.
Step 6. After finishing all the necessary settings and editing, you can click to begin the conversion.

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