Audio Video to AAC Converter User Guide
1. Load and Play Audio Video Files
Click "Load file" icon to load files to the program, alternatively, you can click "Load folder" to load all your audio files in a folder at a time.
The information of the loaded files will be shown in the file list. The information of each file includes:

- Source File:
- The name of each loaded file.
- Original Length:
- The original length of each loaded file.
- Trimmed Length:
- The trimmed length of each loaded file. If not set trim feature, its trimmed length will be the same as its original length.
- Output File:
- The name of each converted file.
- There are four buttons below the file list:
- Delete: Click to delete the selected file.
- Clear: Click to delete all the loaded files.
- Add: Click to add new audio and video files.
- Trim: Click to trim for the selected file.
2. Trim Audio Video Files
Click "Trim" button in the main menu to enter the trim window. Click the start icon to open audio trimming window and do as follows to trim a clip from the selected file:

Set start time: You may set starting time by clicking the up and down button in the Set Start Time box and click OK. Or you could click the first icon under the previewing window and the start time will be shown in the Set Start Time box automatically.
Set end time: You could set ending time by clicking the up and down button in the Set End Time box and click OK. Or you could click the second icon under the preview window and the end time will be shown in the Set End Time box automatically. After you finish the settings, the length of the captured video will be shown in the selected length box for your reference.
3. Output Setting

- Format
- Select an output format for the selected file.
- Artist
- Name the artist for your output audio file.
- Title
- Add a title for the output audio file.
- Audio
- Set audio encoding settings by selecting a sample rate, an audio channel, a bit rate, the encoder and an audio volume.
4. Convert
When you finish all the necessary settings, you can click the "Start" icon at the bottom of the window to start converting the file. Click the "Cancel" button to cancel the process as required. You can view the conversion progress from the progress bar.




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