5.1 channels, namely 5.1 surround sound, is the common name for six channel surround sound multichannel audio systems. It uses five full bandwidth channels and one low frequency enhancement channel. These are all common 5.1 systems: Dolby Digital, Dolby Pro Logic II, DTS and SDDS. 5.1 is also the standard surround sound audio component of digital broadcast and music.
All 5.1 systems use the same speaker channels and configuration, having a front left and right, a center channel, and two surrounds.
How to get 5.1 channels?
To export 5.1 channels with high quality, you need to make sure there is 5.1 channels in the source file first and use the following way to choose formats with 5.1 channels.
1. Load the file into the program and select MOV, M4V, MP4 AVC, MKV or HD as your output format from the Profile drop-down list.
2. Click the Settings button to open Profile Settings Window.
3. You can choose 5.1 channels option from the Channel drop-down list.
4. Click the OK button to save the settings and the 5.1 channels will take effect after conversion.